FORD CAPRI 1974 Repair Manual
Page 51 of 205
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50 C hapter 1 Engine
51 T llp pcts -removat
Remove the 1<lP11C1S I.om their bores with ,1 1ll1lgnct "nd pl,lee them ,, 11 r,lek in sequence. 2 If (lny <lIe (1I111cull10 remove, .ot.:l1C the crnnkShilh. willch wIll Ciluse the cilrllshilll 10 lurn lind move the IilppclS 10 ,elcilse them hom <Iny
!.111m "' thell bores.
5 2 Crnnksh<llt pulley -remov al
Prel/cntlho CJ,lIlkshilf l hom 'Ot:ll111(J. by lillllmUl!J the flywheel,' the (jl1nin.! 'S 0111 01 the C;1I, o' hy 10ckll1\1 Ihe transmIssion ,I the cnOllle IS 51,11 III the Cill . 2 Rclcilsc the p"lIny boll hy l,oUlU 1l '111\1 511.11111C. ;'Ind rapptl1\J the sp,lnnc. ShiH ply, thon remove Iho holl ;1I\d washer 3 Usc il S I).ockcl pllile. 10 (h"w the pulley olllhe Cfilnkshall. Do not ilUOl1lpl 10 lever II oH, bC(:.lIlSl; the engllle [,onl COV(II IS j,aulle ;111(1 Icvcrn'H ilU1l1l1S1 11 Ill;)y (11510'1. or even InC.11; II.
4 Wilhdraw Ih~ Wood'uH key hom the end of th(! CllInk5hah and pl,lC,(! " w'lh Ihe pulley. til(! holl alld its washer 5 The C'.1nk~h;)h p"lIey m;oy he ICliloved wilh Ihe eno,,,e III Ihe C:\I. hilt ,I 'S IIIsl tU!Ccss;o,y 10 ,emove Ihe ',ld'illO' :lI1d thc rh'vehelts
53 Flyw heel -remov[ll
P,even llhe flywhcel hum 101m",!) by FHlHllln\J Ihe lin!) !lcal ;ollain~1 ;In imp.ovised SIOI). 2 On nlodels willi nl;lnu:ol 1I;o"$""S5'01i. Icmove Ihe Clulch plessure 1)1;lle and disc :os described in Ch:op!Cr 5. 3 Rele.lse Ihe s,~ bolts secu.in!1 Ihe flywheel 10 Ihe CllInksh;oll .lnd lefl\OVC I,ve of Ihenl.
4 Whilc supporling Ihe tJywheel III pl;ll':e .• emove Ihc Sixlh hoi' ,'11d Iolt Ihe lIywheel otl c;o,elully. so 111:01 Ihe m;lllllg su.lilccs of flywheel [lild c.;onksh;oit ;o.e 1101 dllm,'ged
5 4 Sump -removal
W"h lhe '''1(1'''') oul fli the e,". CII~"'C Ihal Ihe sump has 1o('CIl d,amvd ;ond then lilln the engll1C ()VCI so tl1011 Ihe sump's U l)I)ClmOSI F" wOOr1CII bloc"s tn Slll)lmrl tim en!l'ne 'n Ih,s POSIIiOIl . 2 Remove 11m h()IIS seCUlln( J the oil Sump 10 Ihe CI.1nkColSe o1nd rClllOVO Ihe SUll1p_ 11 the sump IS stuck 10 the c r;ollkcasc . II should be reh;lIsctl hy 1"'SII1\1 olle SIde wllh 11 sClcw drover. 3 To !Cn,ovtl .Ile sump wllh Ihc CIIU"HJ Hl tloe eM. 11151 IcnlUVC Ihe
d'l)S llck :ond d'SCOIlII(!Ct Ihe hatlery 4 Remove Ihe luur holts ;ond lou. Ch,)S ;ond dCI.leh Ihe OIl splash
shIeld.
5 Pl;oce a Con'"lIlcr 01 at lellst 6lttre (106 JlIllI) cal,,-.elly heneath Ihe SUml). remove Ihe d,ain pl\l(l ;ond d,aln Iha sump. Reflilhe d.am plull and (11)hlen II 10 Ihe 10lqUO wrench seilIng gtven In the SIXlClflC;JIIons G Del:och the engme fubl)CI mounllngs, by lemovlng the" nuts an(1 w:oshe!s. 7 Romove the ciampinI) bolt hom the tal) ;oml bOIlOI11 endS 01 the Steellll!.) intellnediate sh(lil. rush Ihe lap end 0 1 Ihe shlilt upwollds unlll Ihe lowcr ell(1 Clin be dlsenga\led 8 PI<lCo:o jack undOI Ihe lI;ol15mis5ioo nnd use II to HlIse Ihe engine Slr\lhtly.
9 Remolle I he Inur boilS securing Ihe fronl anlj·roll har to the Slde·membei (lnd the l()ul boilS securing each engHle mounling blllckel to .lIe sidenlCmber. 10 Remove the 011 sump Imlts lind I I the sump hns sluck to the crilnkc;ose .• elellse the sump by press ing 'I sideways wilh a screwdriver.
55 FrOllt cover -removlll
If Ihe engHle IS In the CM. II wllllnSI he necessaly 10 dlsc()nneC lthe l!allefY. drll'" 11m coolll1\) sys tem ;ond lel110lle Iho radiillor. 2 loosen the alternalol mounllrlg bOilS. SWlrlg the aitemalor downwilids .0w:Olds the cyltnder block and lemove Ihe drive belt
3 Remove the bolt Irom the cenlro of Ihe cooling Ian .. nd pull (
Ian and clutch assembly. 4 Remove Ihc boil an d wilsher from Ihe centre of the cran pulley .. nd I hen use ., claw puller 10 drilw Ihe I)ulley ofllhe sha nOI anempllO lelle, Ihe pulley ott. t)Ccause Ihis may .esull in dllm. t he Irani covcr.
5 Rcmove the si~ bolts secuung Ihe sump 1 0 Ihe honl cover an, t he cleven bolts securing Ihe I ront cover 10 the Cylllldcl block . G lIlt Ihe cover ott ;ond remove Ihe g;oskel.
5 6 Tillling gears -relllov;ol
1 Remove the honl cover 10 e xpose Ihe IImlnu ueo1/S 2 Removc Ihe bolt and washer sccu"I1IJ Ihe fat!Je gear I,
cn,nsIl1'll t. IhCIi pull.he geill ol! and Icmovc tho Woodllll! key. 3 Dlllw the ileal hOI11 Ihe cr;onk!;h:oh am! remove Ihe Wood'utl
57 Carllshaft -r erllov;ol
The camsh:olt nwy be rCUlovfld wllh the cll!JlIle 1<1 Ihe car •• lollowlng p!Cpol.aloIY wo,k IS co1med out. 2 0,,,,,. Ihe cootong syStelll nnd .emove Ihe .ad,mOl 3 Dlsconneci the ballery. 1 Remove Iho sp.1lk pili!! IC.1ds 1,om Ihe spalk 11lugs. 5 D,s':Ol
eCI the le;ods I,ull' Ihe :l lt'!11\.110r. remove Ihc allelllalo·
l i S (hivebell. G Undo "nd rem ovC tho screws S()CIIIII1U Ihe .0dcl covers and It Ihe rocke. covels and Iheir ilaskcls 7 Sincken lhe nulS secullnu the rocker ~"ns unlollhe locke' arm, he swung aside . 8 Remove the pushrods. idenlllylllg each one as .. IS lemoved. so 1 Ciln be rell1l ed in Ihe same position 9 Remove the cylmde. heads, <IS doscllbed in Sec l,on 47. then Lmagnet 10 tilt out Ihe tappels. PI;oce each t;oPI)Ct WIth Ihe pus which il Oper;oleS, so th<ll Ihey :olso WIll he relliled in t lle;1 0';1 POSlt101l5. 10 Remove the Iiont covel liS descrohed 111 SectIon 55. 11 The cllrllslwh pl:!lc IS secu.ed w,th twO cro5s·hc;od counlel,
screws. These cannOt be removed wI,h an oldm;OlY screwdliver ,lily nllempt 1 0 do so WIll resull OIl Ihe sc,ews bemU d",na\.l<:d. I Impact SCfeW(!IIver is nOI ilva,lnl)lo. the SCIOWS m;o¥ he Icmoved w sui l:oblc key lInd the urace 01 a sockel scI 12 Remove t he c.1m5ho1ll IhllJS I !)lolW 011\(1 the space. hclund II 13 Pull the c;omsh;oll lo.ward to wllhdl,1W 'I. 100f 111\1 Cil!e 10 ~ee" Sh,'lllfl Ime. 50 Ih;ollhe edges ullhe cams do nOl rt,1mnge Ihe cam~ beilllllUs_
58 O il pump -r e m oval
Remove Ihe crill1kc:ose sump as ;olleady dcsc"hed 1 2 Remove Ihe boll aUJchmg the 011 scrcen 10 the Illalll 00111.119 (
/ /
Fig. 1.11 Oil pump o n tho 3.0 f itre efluill(l (Se c 58)
F
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f
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-• the twO boilS sccurong Ihe 0,1 pump 10 the crankcase and 3 R emov
',.,' . the pump assembly nnd ,ts (roves la I-wllh
drilw
59 P istons, c o nnecting rods and bCilr ings -removal
1/ lhe crankcase sump and the cylinder hC<I(ls ,Ire ,elll~)Yc~1. the ' . .od connecting rods can be .em ovcd with the engulCl In the P '$tOn5 . The bearing shctls
C,IIl he removed wIthout 'CIllOVlllg the cylInder ca l. tle-ads. 2 B efore removing any COllncCllrIg rod cnp, make sure Ihal the r del number IS mn.kcd all hoth Il<lr\s. II no mark'119 IS \'I5lhle, pul " """9 marks on Ihe )0111 he folc IcmovillU 11m buils. mil'n ' " . 3 Tu rn , he CI(lllkS Il<,h lHl\,llhe connect Ill\) 10! )('11\\1 Icmovcr! IS;Jt itS
lowest position . . ., Remove the COI1l1CCIIl1\1 ,ud nuts ilnd pull (lit the [)(lalln!) Cilp 5 Rotate ,he crnllkshafl \liH,llhe connCCllrl!l rod 1)"'11(1 removed IS 111 it s h ighes t positio n thon u~() Ihe h,lndle of ~ hanHller to plr~h \Il"
~ssemblv Ollt of the top of thu cyhnder . 6 W,thdrllw Ihe assemhly frorn the cyhntler ,lIld ptace Ihe hCillrnO C,IP
~ck on the connecllrt{J 10(1. 1 If Ihe be.:uinos rue l>CrllO ",newetl. lelnove the uld 1)("""'!15 hy ),,1I1n9 Ihem lound unlrl Ihe nOl ch on Ihe !J(,,,,rnO ~h.,tl rs tlrsenH<10cd
f rom Ihe lecess on Ihe l)e,1r1"U Se,llrnn 'lIlll Ihen hft the IJofI<1rrtlH oul If tho beJrin{Js <11e lemovell ,,,,d the S,lnm ones ,l.e 1":111111 nsctl a!F"n. illS viMlthat Ihey ale .elillcd III Ihe s.lmc scahnH a ... Ihe Olle I.om whIch
thf.'Y WC.C lemoveli.
60 Crankshaft reM oil seal - rellloll,,1
To !emove Ihe 011 sei\1 wllh Ihe ell!J",e In Ihe ca,. Iusl remove Ihe U<lJlhox. or aUIOIllJItC IransmlSSlon .. S de1;Jlted In Ch<lpler 6 On r"anual 1f(lf"Isml~Slon madelS. II is Ihen ncceSS<11y 10 lemove Ihe clllll:h uscmllly ilS descrrllcd In Chllpler 5
2 Releilse Ihe SIX holts S"",,"IO Ihe tlywheel lI11d remOlle I,ve 01 Ihem Wh ,l o holding Ihe flywheel. fCmove thc slxlh bolt and hll ,Iway Ihc lIywheel. 3 n emove the lour hOlts SCI;""IIU Ihe Orl se;rl C<rllle, <rnd 11ft ott Ihu COrlle, Jnd sell l assemb ly . 0 D rive Ihe seal OUI of Ille ca,.,c,. t;rk"'~1 I:;IIC 'H)I In danl;l\l' : I he I""" 0 1 Ihe Col" ICf.
Fig.l.1 2 R ernovinu the rear oil se al from Ihe carrier
(Sec 60)
~ Crank sh aft llnd main
henri nUs -re rnov.r1
, Relnovc" 2 n Ie CIIIl"I" 1'011 Ihe car . 'J, 3 n emovc the ClelC h HSSI~olhly 011 Illllllual transm,ss,on madels ·1 ernove lir", , , ,
L'
·
.... yw lI.le ;lIld Ihe leal 01 sual cal"er. "/-·H. $'i;:.
5 1
<I Mnke SUfe Ihm Ihe c.ankcasc Slimp has bcen d,amed. Ihen turn Ihe eno,nc III>Sld e d own. chock It sccu<el y and .elllove the sump. 5 Remove Ihe Cfnnkshalt pulley (m(l the engIne Ioonl cover. 6 Remove Ihe OIII)Ump anll Slr,uner. 7 Check thm "lIlho rna", and connechnll fod t ..... a"n!l calIS hnlle theu Ide.u,ly,no numbers SlampCll on. so Ih,1t Ihey c.ln h'l ret,tled III Ihell O "Oll1al pOSlllons . 8 Remove Ihe Cf;rnksh,,1t gea •. n Renlove Ihe two nuts ~nd Ihe healing Cal) 01 eac h connecllng rod
"' 111111 ,1n(1 Illy I")ul Ihe he.1""\) cnps In ord~r. 10 nemove the IWO boilS Irom eadl ollhe malll b(:;IIIIIIJ c"ps. hit lilt)
CilP S all .111(1 lay 1111:111 out'" order NOlll Ihm Ih" c~nlle 111:1111 hcn"ng f.':IP has Ihrll~1 wa~hcfs M;l,k Ihetr POSIIIOIIS hili",,, <ornOIlIIlO Ihem. 10 ellsure thaI Ihey :IIe 'el'lled exactly as lemOved 11 Can:itrlly hit Iht) f.lill1k sh;111 0111. I:Ikln~1 eMe 10 ~o"p 01 p;II.1I1(;1 w,th til,) e .. ,nke;rsc. so Ih:'1 Ihe \I""st hC,l"lI\l $urlar.es of lilc upper hea""\) h.1II11:5 iI,e onl rI"mn\jcd 12 HelllOVC tllo I,,,,"'II!I ",sr, IS ['0111 the cyirml", I,iol:k. her"U cnlolul \() IlUIl: Ihe POSItIon hOIl1 whu;" "nl:h 01 the 10\11 !>..,<IImos "nd e.l(.1> 01 lire IWO th,us t wi\~hels We'e ""Hovod
62 Ellgiflo Carl\l)Ollelll~ -e~iHllil\1ltiol1 far we"r
nc:lm 10 Soctll)" I 1
63 noct.e r arillS -examination ;ond nmovalion
llll) siuds 011 whIch Ihe locke, arm~ p,vot arc a pless 101 Into the cyhllder he,1I1. ,111(1 II .1 51'<1'0101 cdUO IS Inld aCfOSS all s'x. II cnn be seell whelhtlf ;"'y h,ll1e 1>f:\Jull II) pull oul. II Ihl5 IS Ihu case. Ihe stud w,1I have 10 h e I..,1ll0vt:d. Ihe hole re,lllll!'\! 0111 ,IIId ,Ill overSlie Stud hllll(1 2 Check Ihal Iht.: Itucuds on the sluds a,e!ll Uood conti'IIOI1 anll that ~ \IJ'(juc 01 nllc.1S1 59 N", (<I 0 Ihl It) 'S fcqlJllnd 10 111111 ,,;Jell .1dJllsh lr 1111 orl..,d 1111..,:1\) ... IIlhls IrHUH) IS nOl "chlcved. III ,I r,,;w ':Idluslcr ,In.) ,I
Silil dl:lrCIUIlI. hi a locknul to Ihe mlluslef 3 EX;IIWlln 1hll Illeke. <1111l~ ;IIH) IUit;IUIlI snalS 10' S'~lns 1.11 rrdH'nU. 1.1< I:XCtJSS we,ll 1111 Ih'l Ilc;o,'nu $IIII"I:<.'S II Cllher p.lll shows excessIve W"'II. 1".111 Ihe ,",.k.)! ;",n a"ti ti,e 1\lle'IliH sent '''u~1 IlIl .enowcd If When I;hcr:klll\l lilt"! rI)C~,)lS ;UIIlS. 'C"IOVI) Ih,;", one .11 a l"no \0 ,,"mlll(llo: allY POS).Ihllrly 01 ,urllS ,Iud seals Ilct:lJn l,tlH ullerchan\)cti. or Ilelll(l 1.,!I1Il:d III Ihe W'OIl(j ~IIIrI
GIf Tappets ,HId pushra()s -elWlllin alion ;lIld renoviltian
ncle. 10 Sm;trr)ll I 3
65 CamslHlIt ,\lid ca!l1sh':llt bC(H inos -c~arl\il\"tion and
renovation
UlllhHSI~C camshaft beaflflf)S ;1fC ayml.,tJle. so II IS poss,hlo \0 SOlly,IUIl , I waul c amsh31t by rCtJtlIl(lrnO Ihe 10uII1als. II the call1s . or skew gllar. atll wOln stOllllocallll y. Of arc d':II11.10,,(I. a ncw call1Sh.1h
IllUSt be I'lled and thc tJcallngs should Ihen also be renewed. 2 WOlll or dalllaUed c;m,sha1t bearings can be replaced by ncw ones. hullh,s re'lullt;:s spI)Clal tOOls and should llc om,usted 10 il FOld dC<1lel. 0 ' 10 (1 wa.kshol) wh,ch undertakes carnshafl reclalnl'nu
G G Cylinder horus _ eXHl11irHltio n and re nov(ltion
Reier
til S(:Cllon 1 G
67 P is tons and t)isto n rillUs -ellamilwlioll ,lIld renov(ltion
R e
lcf 10 Sectlo" 11.
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52 Chapter 1 Engin e
68 Connecting rods and gudgeon pins -Il~nmination a nd renovation
Refer 10 Sccuo n 18.
69 Cr,lIlkshnft -e~(lrl1in<ltion and renOV;ltion
E~amUle the four 'lIil;" l>e .. "n9 Journals and the s,~ Cfanlq>nls. whIch should illl be smooth Iln(1 IHlJhly polIshed II there arc any dllCP Ulooves. 01 deep scratches ;mo lhe.e ,s a sirn,l,lr <loI0"ola 1,on in the corrc5pon(fulH Iwaring sh(:ils. 1ho crallksh<l h should he reU'Ound. 2 II the JOUr1l<lts <I,e ,n noml conditIOn and 11 IS slIspec!(1d lhnl th e cI,Hlkshnh mily he suH,eocmly worn 10 fL'(IUIiO ,cYllndrng. II IS wa. 1h SCClo.II;t! the advice of ,) "'11111 Ford ,1\jCIlt. 0' cWllkshaf1 regllndlng servIce. 3 If ,he C1ank sh"f( IS '!](IIouml. till) wOlks w,1I ,1lso sUIW1y rhe new hC,lIIl1US wt\lt.;h WIll he rCII"'''!!! 10 Jl\atch Ihe lournal d,nmOlf"S.
" Check the spiuol bu,1"n!) III Ihe .ea. 0 1 the Cfankshall on manual l.ans.mSSlon m()(lels :mllil necess;uy .enew II
70 Mail' and biu·end heafinUs -olwillinmion and H)!1ovation
Ilelo,r to Seo.:lIOIl 20
71 TilninU oellrs -e~i1miniltion find renOVlltio n
Re f
el to Sec t,on 21.
72 Flywhee l/ d riveplale -Okamitliltiotl lind ronovtttion
Inspf:CI lhu ffywhf)l)I 0 ' ([ttvl'pl,,": fOI (!;U";'\lC ilnd 1:I".1I:k Ih;'1 Ihe ""!I H".u docs uol have .IIlY \)Iok"n o. l);Idly wOtn teeth. :1 On ''''''''';11 I'''"''''US~IO'' mnd"b ,I IS pOSSII.Il) 10 'CHew the I"'!l \]C,II .'S Ilesl:<Ihe(] ttl SeCtlim 22. IHlt on olllt()I\IHIIC IlilllSn"SSlon ,,, o(lels It IS nOl tlOss,bl" 10 le",OVf) 110" ""!I 11"01. hom Ihe dllVel)lttlc
73 Valves (",d v"lvo sO,,1S -tJkiu"illHtion lind renovation
[xallutle Ihl} v,tlves 101 IlIls "lid !l,ooves lind the valve SIems to. e~c,'SslV') we,l' III d'~loIIIOII' 2 Ek,""l1ltJ Ihe v,oIVil hf)"d 10' SI!.!"S 01 hu",u,U of the vOllvo seillS lind ch .. !ck Ihe ht 01 Ihl) villves III Iho v,llve UUldes . 10 SCl) II Ihe villve uu,des il,e WO!ll
3 We"" valve U",dcs c;'" be r l),lIned O\It lind vlIlves w'th overs.~e Siems lilted II iI v<llve !lulClt: h<ls h(."Cn ,eamed oUI. Ih(l eOllespon(fing vlllv(l sent must he rdOlCe(1
" Villves illld v~Ivo se .. ts whlc" show JollIe s,on 01 wear. call he lilpped in.
S To 1,1P the valves. In tt s u ction Iype gnmlonu 1001 to Ihe villvc hettd. smeil' a lu tle COil.se c;ubo.unllulll urmdmu pOIste on to I he sealing I~c e 01 Ihe vnlve ond inserllhe valve 11110 the cyJonder he"d. Rub Ihe stern of the v al ve gundlng 1001 hetween the palms 0 1 the hands. so Ihal Ihe valve,s ,otllle(l hHckwards 1I11d lo.wa.ds When II IS lelt lhOlI culling has
ceased. loft Ihe villvc. rotate It th.ough 90·, lowe. 1 and fepCill the u"n(llnu o.:.e.atlon . • e dlslllbulill9 the g"nd,ng pas!O on Ihe seal if necessilry. Conlinue Ihe process unlll a mllll gwy bOlnd IS pfoduced OIloun d the complete pe"phclY of hoth the vlllvc and t he valve seil l G RepoiJl Ihe opcrilllO" US" 'U fine o""d,nU I).Jsle. 10 ohtil'" <I I,ne.
IInlsh. then clean lJoth Ihe valvcs and Ille v alve seals 10 ,emove IIU \llIces 01 u"ndlno pash:! 7 II 'I IS convenl,,1lI 10 liIke Ihe eyhndc. he<ld and the valves 10 a wo.kshojl wllh the necosstt.y cquipment. II is In. h ellef to have illi Ihe va lves <lod Ih,,,, seJts ",f"ced. so IhOlI alilhe villves and sellts OIle lit the co""Ct ''''Ule and h ;lve Ihe COllect w,dlh o f conlllC1.
74 Dccarbonising -go notal
When Ihe cyllnde. heilds (li e removed. eilhe. in Ihe Course ovelhJul Of for inspection 01 bows 0. villve condllion when the e IS in Ihe CM . il IS nO'''1<I1 to remove 1111 CMhon deposits from the I Cfowns and heild
2 Th is is hesl done wilh 0 cup shilped wire hruSh ilnd iln elect." and is laorly slriliuhlforw,!,d when Ihe engine IS d'S<llilnlled an,
p,slOns removed Somel,,"es h.l. d SPOIS 01 ca.bon iI.e nOI , .emoved exc e)) t by iI SCf,'pCI . When cleanln!) Ihe p'Slons wllh a SCI IiIke care nOllO dam.lge Ihe sudace 01 the ,)iSlolI.,n (lilY WlJy . 3 When Ihe en!l",e IS in Ihe car. ceria", prCCau tlons mUSt be t whe", dcca.OOrllSIno the pistons' c.owns in o.del 10 p.evenl dislo, pieces 01 carbon 1.111;110 into Ihe inlerior 0 1 the ellgme which c cause dillllilgC to Cylindcr hores. pis Ion .10d lings 01. 01 allowed the Woller jl.1sSolues. llilrllilOC 10 'he Willer pun.,). Turn the engine so Ihe p'S lOn lleinU Wal ked on IS Mlhe top 01 lIS slIoke and then mas l Ihe a(llttcen l cy'",der bores ilnd ilil sU!roundl",g wttt(" l"cket alii wllh papel and .1!!hes,ve 1ape Press !lwasf) ,nto Ihe gil(l illI .ound pislon 10 keep Cilrbon pa,lIcles alit ,,"d Ih(ln SClilpe 1111 c,lfllon awa hand Do not usc iI power thin and wile hntsh when Ihc enguI(lls II, ettr as II WIt! virlUillly be 1Il1posslhie 10 kcop alf the cal ball dUSI clc, the engine. When compleled. c.1wlully c'ear OUI the OH,,,se moun(I ",II 01 Ihe (liS lon With ,1 mlllc h SlIck or somelhl"U Sllm 'iI • . bringing ciI.bon palhcles wllh It. R c,lellt the p(()r,e~s onlho o the. p,slon C'OIol II IS nOllecormllended Ih.lll1 "'ljJ 01 "uhon IS leit .ound Ihe edge 01 p,slon on I h(l Iheory Ih"t ,I Will ,11(1 all consumplion. ThiS WilS valli
Ihe eiliite. dilys 01 10nU stroke low .eVYlnO en!)lIles tJUllllodern enUil fuels ilnd Itrb"canlS C,1use less cOIIOOn deposils OInyway and any. b ehind lend merely 10 cause h O I .SpO IS.
75 Oil PU"',) -disnwntlino. eknmin"liOil ,,"d reOlssembly
The Oil pump mm"Itt;"S a I)ressure 0 1 ilbout 2 8 kgl/cm' (3 Ihf/in') lInd unless Ihere is ,1 sIo",IIcanl (hop In 001 P'(lSsuro willel ,)loved to he due 10 the Pllln,). rillhn. Ih;", 10 wo", heil'm!)s. 11 IS be .
t o le"ve Ihe 011 pump und'S hilhed. 2 To d'smanlle Ihe pump. fll:.1 ,emove II hOln the en!l'ne ns desc,,1 III SUClion 58 3 Remove Ihe IWO bolts seCulII1!J Ihe en d cover 10 the body 1 'emove the covel ilnd 1he .ehel v;" ve "sscmhly. Ihen Ihe Iwo P"
fOIOI assembly.
" Remove ,he IWO bolts lind ,,,ke Ihe p,ck·up w he lind SCIl' lIssembly oft Ihe pump housin!1 S Wilsh all lhe pilrlS In petlo'. usc iI hlllsh 10 cleol" Ihe Inside 01 1 pump ho usinu ilnd lhe p.cssu,.., .elle' vil've eh'!lnbel. ilnd milke 5' Ihilt ,111 p,tltlClcs 01 dill ilnd mewl n,e ,emoved Allow the pttrlS 10'~ n;IIUf,lllyor blow them d.y G Check Ihe Illslde ollho Puml) houSII'9. Ihe OilIer .;w:e ilnd Ihe 101 101 dilfllilUe and e~cesSIve weill 7 E~ll'''Ule the I111lling su.lace 01 lhe I)Ump cove. 101 we,lr It Ihe CO' IS sco,ed. o rooved. a. shows ilny s'g ns o f wea •. a new covef must I hlled 8 W,lh the ,otor assembly filted in the hOuSing. place a straighl·ed!. over Ihe end 0 1 the housing <lnd measure the .o tor end play. If 111 exceeds 0.1 04 mm (0004 in). Ihe ouler race. Shilfl and ,Olor must t renewed olS an assembly. 9 M eOlsllle the rOlor·IO·houslng clea'ilnce. which should not exce e 0304 mm (0
.012 in) OInd Ihe Inner 10 oute. rOlor gap. which should b 'oss IhOln 0.020 mOl (0008 i n ) II oulside these dimenSions. a ne" pun,,) Should be fitled 10 Check that Ihe leroel vollve and its sea Illig ,Ire Iree of dan'ilge all' thaI the .elief vOl've sp.ing ha s nOt collapsed. 01 is damaged. and 1 new paIlS ,f necessil rv. 11 Reassemble Ihe pump by IUSI lilting the lillie. IJnd outer rOIOr) Ihen lubric.11inU them wllh enUOne OIl. '2 Apply e ngine 011 to Iho rehcl vlllve plunuer <lnd sp""g ilnd Inse l Ihem inlO thei
r hOUSing Relll the Sjll1llU cal) and Ihe pump covel '3 Refit t he cov e. allolchrnenl sc.ews 1111d IlghlenIhelll1 0 the to.qu' wrench sen ing giv<m In ,he Spec,flcalions Altel t1uhtemng the screws
chec k thOlI Ihe 1010r moves freely 14 Refil the PlCk·up lUhe <lnd stralnel as semhly 10 the puntp body usi nU a new gOlskcl OInd then insert and hUhten the IWO IIxHlO screwS
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" ....
Chapter 1 Engin e 53
-----------------~--~--------------~
@
I
2 5 -
6-
3
7
Fig .1 14 E . ngine IlibriC<ltiOJl systc rll fo r th e 3.0 litre e ngine (Sec 76 )
76 lubric-.
) _ d tron sys te m _ description
T he lub, . _ ~ng Jl re,)l'on syslen , IS villually lhe same as lhat for the 2_8 hire $IJP~le rJrJese"hf'd III Section 2<1. except Ih<l t the locker mms <Ire re \'v'tll 011 tluough hollow wpfJets and pushlods
_12
,
l..j
Fig. 1 .1 3 Ex ploded view of the oil pump (Sec 75)
I 2 3 4 5
Piclc-Ojl (ul)(; i/ml SC/C~'{) G,1$icCI Clips Pump body O"II~f fOlvf 6 ImlL'1 rOl{lr 7 Elld COIIL'r 8 ScM 9 Swing 10 Rc/iL" v,llllc 1)luIl9 ~" II Clip 12 SlI.lf(
Fig . 1.1 5 Cr<lnksh aft ventil<ltio n system (Sec 77)
7 7
CrankC<lse venlil<ltion systCtn -dcscription
A sell li· sealcd cranke,lse ventrlatlon system rs I ,ttt!d Fre~h <III is drawn through <I lHe<lthe r 111 Ihe 001 1,lle, cap and mrxes with the tJlow·by g<lSes In Ihe cran kcase 1115 then d,awn O UI ollhe ven t villvc
~\ iii." __ _
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Page 55 of 205
) 54 Chapter 1 Engine
,n the "Oill hand ror;ke. covc. ~nd mlO Ihl) en!IHlC Ih'ouUh .111 .1(1,1pl0' bene,.!!> the (.1,hl"l)ll01 The sys\cm '!nSlI.ct; 11\.11 !lIlhurnl lIilSCS ille .ChunNt to Ihe enU'"e fOI fUllher (:orlllJ\'~I'OIl
78 Engine reassernbly - gcner<l l
Rolli' [0 Se(IIOn 20
79 C,lInsllllll -re';II'I1I)
SI"h, Illc SpM.,<1 "",th li S ChitrllfCI1'" "ml [""I onin Ill" r:;HlI:.hall ;oml ,, the kr,y 2 LlIb",':"I" lh" c"m~h,111 lo",.,als w,lh <:Ill)"") nd ,llld ~I,d" Ihe ' ·.IIlI~hah "' hOln\h" hOIl!. 1.II-IItH C;UI~ 10 ~""P ,1 ~1',IO!lhl. SO ,I', nvt III rl.mlil!1" II", /:.III1,h,,11 I)","'IIO~ 3 rr! th., (.l", ~h"h 11""~1 ,)1",,, wuhou! ;, !1.'~"('1 fIt lI,e two (,(lInl\I:!,,,nk hr',lei rr,!,'"lll'!! serews ;1I,d 11\lhl"" III"",
80 Cranksh .. ft reblti,,!!
~V'lh lilt: "II\IIIH' "p',ul" ,low". I. 'v ";I, h "I II", "1'1"'11"',""'0 h.,I,,",s ''''10 Ih" "1'1""1''''''1: u.",ll .• '~" wI·h. 111,'''''''1 ~,,,,, Ih." Ih" 1<" ""'!II.IIIO 0" II", I""""'!I '~P"'I""IV ""!!,,!!,,,I '" ,II" ':C"":~I"""h"!I ~I{)I '" II,,: 1; • • u'"c;I~" WI'!> Illh., "Id I""""'!I~ .,," I"""!I ",!tW:Il. ItI.lk" .;",1.111,,10:01 e.lch I .. """,!! hill! IS '''Iud • III III.., 1'1.,, ;11 h"ll wh";h,, W.IS ",mo"..,d Fn Iht:: Ih'u~1 w.lsh".s 10 <1;lcl. ~,,11l 01 11", CI:'II • .., I...,a''''!I. Ih" 0''''''''''([ l;lI;"s 01 Ihe wa~I'e.s IJelll!! Oulw;!lds (1"11 1 16) n"I.""II,c II"tI~1 w.l~I""s 11 1)lar.r. w,lh UH}.1SC 2 FII Ihe low ll anO "!1 halv",s 10 the app,op""h: I>";'''''!I ,;nps 1"1 Ihl1 IllIuSI wM,h.."s on ellll(!' S,dCl "r Ihe <""'"11 I>e;"'I1!l ':"1', Wllh Iho 1.," 01 Ihe w" she. Iitied "1i0 Ihe slOI It' IluI be''''''!1 <;;'1' Rel<lll' Ih" rh"'~1 w" she,s '" 1)I"ce ""'Ih !IIIMSo! :I LIII" '<:<111) Ihe c:o.lnk<:<,:.c l,e;IIln!! h.,I""s Will, '"'0''''' ,"I .11,,1 I .• l.o;I"IIV low,,, Ihe ':'''Ill~hilh unlO 111,,111 'I r"k" <:;,d, I>o:.1""!1 e:il!> '" hlln. lulll'G'h, 11<; hl'''''''!1 h;,u W'III ""II""! ",I AI'I,IV ""!I""] ".1 III IhH ('I,,,,ksh.lr, 1001lll,,1 ,,,,eI III 1111' !"'''''''H':''P W,III Ih" ""ow 11('''I1'''!llO"".''d~ IIH' ''''''1 01 II,n ""!lIII" L.e:h I""II"'H ""1' '''''~I I", ,"',1I.·d '"~ IIHi 1l('S""'" 100'" whll.h II W.IS II,IIl1lvod ~ I"'.",, II,,: 1""0 ,,,I."""'!, holts ;",d 1'!IIII"1 Ih,,,,, It) 11"1 10",IIe w",",.h ~('I''''H 11''''''' '" Ih.., SI,..:(' . .r,,:,,'I("'~ r,u" II,,· e:I,llIhh,,11 Ii) "II'",,: Ih.'1 II 11I1"Il!S 1"".jV. III'lorn I'IL"'!! Ihe "oxl hei""'11 1:011'_ II lh,' .:"lI1l~h.,h ,I""" ""I 1<1",10: III:<.:IV. Icn'o",! Ih'l l'l"""'\1 r.iljl Hnll check 11>.lllhll I>";""I!I ~hl!!l~ l1.w<I sc.,h,ld p,npedv ilmllhal IllI! hcall"H cap '5 Ihc CO"'''.I 0110) 10' Ih.'1 l'I/Slllon ij r'l Ihe oall~~h.ll1 ~,·V PI''':e Ihl! o.l,,"~hilll !lCil' 011 Ihe en,l ollh.., , .•• lIIl~II.,h .11101 1)0','111111 II hV 1,·lllpO •• ",ly "iII"!! II", e:'.111bh.o1l p"II"V .11 .. 1 II,,, OI'UIl1,,1 wil~II" •• ",,1 holl T'!I" I,·" Iho ""II. Ih(:" 1l!"'0"(! Ihe 1,,,11. w;o~he. ;11,11 ,-,,,,,ls","1 pulh:V 7 M""slI'" Ihll (l alll~h"'1 "",lIIo;lI ("'~I! Secholl 27) ..... h,ch sho"ld he .-IS Sll(!c,f'ell II "(;Ce~S;"V. hlmll .1 belwecn lior:s" hlll'l.~ bv IlIseltll1!J 11"U51 w.lsh",s of Ihe .11 }I)lOp".IIe 11nck"css
8 1 Pi~tons a"d COl1l1ectin g rods ~ re fitting
RclC' 10 $CCI'O" ;:t!)
82 Oil pump -refillin U
P"lTle
Ihe oilllUlllp L>V 1IIIol1g Ihe IlIlel 1101l wnh Cl1g,"e 0,1 and Ihen flJlat,ng Iho dllvcshilh 10 d,sl"L>ule Ihe 011 wllh," the I'lI"'P hodv 2 Inselllhp. pOll1led end ollhe dliveshMI "'to Ihe PWIlP hodv and III Ihe clop 10 .etain II 3 Place Ih o pUIliP U1 I)051110n . cngnU!! Ihe d""e~h;JII and Iheo inseH Ihe ' .... 0 llitallung IJolls r'\lhlet1ll1.., holts to thC lo.que w'lInch SCII,ng
\I,,,(:n III Ihc SpClcol,c,lIIons < Rell lihu boll SClCU.IIlU Ihe 0,1 pick up luhe 10 IhCl ",nln I)C;UU1U cap ",,(I "U"l"" II 10 Ihe ~j}ec"H,d 10'ljue. F
ig. 1
.16 Cr.1J1 kshilft Ihru st wash ers ~ ;orrowed (Sec 80)
83 T illl i,,!! !I ClH'S illid I rOll 1 pla to rclillill!!
Apply 1""'III'!1 1:1>"'1","11<1 In Ih " (11,1,,1 ""!I" nllh" 1"'''1 "n,loI Ih. <,yin""" hl(1{.k ;"HI l<J Ihp 111.11 I •• co: I,f III" 110111 allilj1I(/I IAilh) ;:t 1'''~llIf1nlllll !1.J~k('1 'lilt! "d"plm pl;Il". ",),;""11\I,,·,,, w"h Iwo holl
'''~"I\'''' flll!!", II!III 3 r,l II", ada •• lm 1,lille f(,,,,IUICelllunl ( F,\! 1 17). IIlS"' lIS IllIC(j b olt· ;""j II!)I>I'''' tI":",, 111,," II,IllIJV(l Ihl) IWO PI(,v'(lu sIV III~I),wd local"'!
1o"lh < no:l,1 the e:"nlsl1.1 lt ge".. Sf> Ih.ll Iho kP.VW.1VS "I I>ulh Ihl} CI.lnkshall ill1Illlol: e:.1t11sh"'1 "H) In lone ;11111 Ih,: ",,,,ks on Ihe tW,lIS .1,Q on 11m Silllll
I",,, II", <.I:'l1ksllo1ft \1";11 hilS IWO "';IIks Oil 'I alII I " " mipOIWnl Ih;n 111"V iIIe l'OSI\loncd as ~hown ,,' f.U I!; [) M""~,,,e Ir." I:lldllo.1l 01 II", <:.1I1l~hall ;,ft,,, '"~"'IIIIII Ihe t:alllsh;oIl "''''''''''!I hull ami lI\1hl"IIIlI\1 , 10 Iho: 111"1'''' wII,I1I:h ~I:H"'!I U,,,e,, III 1111, SI'"",I,,;;llll)lIS 11", cillll:;h:.11 1;"dllu"l e:"" I", ;111",'01"01 lIy f,ItIl'lI .'
Ilelf'·I,".1 1''''lIlh ~I'.".'·I G M""~,,,e'II": 1"".ll.l~h ul II,,, 1:O",,,h.111 !I",,, ill 1"lIl ··'IIl.,lly ~1'.1(:",1 PIII"i'. .",,,,,,,1 "s I""'I"""V lh.~ ~hull"ll", 0 7.2 In 0 32 """ (000910 001:l "I) 7 AIII,IV 1"'''h''!1 (:O"'P(111,,<1 II! Ihe cII(:uII11r:"",ce ollhe 1",uIIU CO"..,, 101111 I.",,~ .IIHI It) l hl) 100111 01 Ille ;"I.'pIO' pl.'le JI,d oil." up Ihe 1I1l11r'>{'
co"el 8 1l,,1'1 Ih" ",,"'kshall j)l11l!:V to pO~'I'IHI Ih.., IIIIIIII!} '.0"'1<. rhcll mSCIl III" 1""'''11 CO"", hOlls alld t'H"I"" Ih..,111 10 Ihll 10'<1"(: .·"~IIe:h Sr:l1Illg
11''' 1)'' UI Ihe SI'I1t:o/'C;l\'OllS
9 Apply ,0"lIuIII C0111llOll11d In 01111 f.,.:c 01 Ihl! e:,.,,,1 ~11i,11 llullllV w;o~I"", pl.lcc Ihls s,de 10w",US 111(; I'tlilev . ItISC.I Ihl! pull,;V SCCUH"!I holl ,,"(1 ilUhlCIl II 10 Ihc SP':Cllll1d tOlqllC
Fi
U.1 .17 Adap te r plato reinlo lcclllcnt (Sec 83)
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7
Chapter 1 Engine
Fig . 1.1 8 R ear oil sen I ilnd ildaptcr pliltc (Sec 84)
84 Renr oil se;1i ,,,,(I lIywheel - rc fitti"u
1 I'll the ()n!J"I(~ .r,," ,,(1"1'10' pla1<:1 and s(:clIre ,I wllh 'I S IIv(: holls. 2 Smenr en\J1ne (ld OlltO the CI,mkshah '''". Smear 0,1 on the lip 01 the sea l tlnd pos(( lon tlon ';".11 on th e cran hha ll. 3 Align the seil l c;""er holos wllh Ihose 011 the cylrnd(:, hlock . Insell the loul bolts and 11!lhlCll Ihem 10 the SpeCifIed 10lqUfl 4 F it the flywher.:l . or dllveplalc on au lOlllallC lwnsrnis sion Illodels.
InSerll h e six holl S ;",d u\llole rllhem 10 Ihe 10 lque w rench sell"'U Uiven in lhe Speclllcm'olls
8 5 Sump -rciiuill!)
En~",,, lh;ol Ill" ru,rI "'!) ',u.l,u :e s 01 hoth IllI.! Slimp a"d t h e c(,1nkcilsc ,lie cl ea" ,mol IIi,1I n", '.""I",!) SlIrJ ,u;e 01 the Sli mp IS not d'S lo lte d. 2 Apply IO" ,I,,,!! c"'''pollnd 1 0 the pOUltS wllel(~ Ihe l"llllll) cover ablilS lhu ,;yir r"lr" 1,Io ck .lIId where Ihe rea' 001 $u,,1 carr.(:r "dIOIllS II 3 Pln ce tloo \J,,~k"l '" fJo~.t.on, lIt tlo" SlIm l} ,'Ild IIlS(). 1 lhe r0Io1111il1l)
bolts ImUO I tl!lhl 4 PrO!lres~lvely 1I!llIt,," llw sump holt s 011 opposIte I'ilr ts lIllt,1 all 0 1
t
hem ,H" il l tl", ~ 1"":lllI"d IOlllUU , 5 FII ,1 now w;,~h", 10 Ihe ~Ul1lp II"'UI pili!) , IIlscrl lhe dl,lIll pllll) and
t ,uhlen ,t
8 6 Cylinder h e"ds re;rssernbly
L~y the cylrnd" r h",.\! on .IS s Ide. luhrrcnt e cvcry valve Uu ide with eng;l1(! oil. ,lilt! ,"~,,"t the valves 11110 the \Ju, dc Irom whIch lh ey wele remov(:d 2 To ,WOld d<l(11;U)III\) lhe II p 01 the stern 0,1 sonl , with consequent rncreJsed 0.1 con~UI1'ptIUIl. wrnp <I p.cce 0 1 ndheslvc wpe. or fo il. fOund the \JrOove o f cvery v,llve SWill Sh( le lhe scn ls over t he valve sIems and push th clll over th.: lupS of the vnlve u",des 3 Remove Ihe "dh"~lve wpc. or fOIl. horn Ih e vnlve S1(~I1IS. 4 F,t the valve sp"nl) ovc, the valvc. Wi lh thc close cOllcd end 10wnrtis the Cylrnd er head. lhen fll thc sprin\J relarne r on top 01 lhe
sprlll\). 5 US1ll\J a vnlve ~prul!) compresso r. com press lhe splln\) lus t enou\)h 10 inse,t the IWO Splil COIl,,15 If lhe vnlvc spml(j is compressed 100 filr.
lhero.s dilnlJC' oltl1<.: ~I""IU rcW""C' dillllil\)IIlU tllC villve SHlm 011 sen l
G Ahcr "lsert")!J tit" ~pllt collets. r eleilSo the spllny compressor (111(1
rcmove II 7 C hcc k th"t lh..: ~pl'l cull":IS hilve seilled properly and t<lp the top o f
t he v"lve S1C1lI hUhl1y w llh a plJstrc headed hJmrne, to ensure 1I11S,
Fi g. 1.1 9 Tightening sequenc e for cylinde r head bolts on the 3.0 litre enuine (Sec 8 7)
a Repe"l liln pruccdwn orven III p;ua!Jrnphs 1 to 7 o n the (CmJlnlllU
v,llv"s
87 Cylinder heads - re fitt;nu
11 the tappels w ere rcmoved. luiJricnle lhe lilppets nnd I heu hores wnh enoine orl nnd insor t thOlll wilh lhc;, d Ished cnds uppermost Ensule lha l every tappet ,s rclltlcd Into lhe hore hom whIch II wns
t nkcl1
2 Mak e sure tha t Ihe rna t"'!1 surlaccs o f lhe cylinder block. cyl lndor henrJs ;Uld 1111,,1 Ill,lIlIlold ;lIe de;"l. then plnce new cyhndcr head \Ja~kets ove, the Wildes un thn cylrmh" block. Tho cyirnder head \I,,~k ~IS beilr thO malkln\! TOP f:nON T ilnd nced to h e pOSII,oned
cOII(:ct ly .
3 Low ul Ille cyl ""lcr he,1ds ov"r the" posl tlonrngst u(!s, Although t he cyhlld\~r headS ,"0 Id entlc;,I, they should h,lVe been Illtlrke d when remuved ilnd should be lehllUd III thcrr ()IIUinal positions t1 Inse rt the cyirndcf 11I)"d boilS f"'!I(:r t.!Jh l then tIghten lhelll prUglC SSlv(: ty OIl the olde, shown III r,U I l!J and III llle stnucs",s U iven
m the SpcelirC;lt'OnS
88 Rocker arms and cover
s -refiUing
Ensure Ihm "II Ihe puslllOlls ,lie ,nselwd I!ltO the" p'llpor placos ;II1<J lh at thc" lowcr ends nle on\J"gcd in the ClipS o f the t"ppelS 2 Place the roc ker arms over tho jlllshrods. fIt the fulcrlllll seMS and ;ldllJS 1o r nulS. an d liuhten the ntl)usting nulS !"'ger light 3 Se t No 1 cyllllder at TO C <Jnd reh t the dis tllbu tor (see ChilP1C' 4) 4 I\dlust the vil tve clea ra n ces as descrohed in the foll o w rng Section 5 FIt the roc ke' covers , uSlIl g Ilew \Jilskc IS . ens uring tho t the gilskets arc senlOd e venly n il round l ho cylinder hend. Fit the cover altilchlllont
l
)olt S nntl lighten them t o the spec ,f led torque.
89 Valve clearnnees -checking nnd adjustment
R eier
to SeC!lon 3 5
90 Engine ancillaries -refitting
R eier 10 Sec tIon 46 and ref, t lhe I. ste d componenlS w,th refercnce
to th e Chaptels ind,cilte(f
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56 Chapter 1 Engine
91 Engine -refilting
Rcf'tlIng the engine is a rCllcrsnl alth e removJI procedure given In Section 44. bUI in addrhon note the following 1)O;I1IS:
(,,) Ugh/I)' 9(0"50 Ihe ycar/)QIC ;npu{ Sh,ll{ (m,lI/v.,1 transmission) (b) Check tlMllhe dlileh fc/c,He .7Im is cOIf(!clly loentcd (m,lllu,)1 (fiJn$miSS;OIl) (e) Adiusl (he clutch cClbfll ,15 (/(!sCllbcri ill Clwp/fN 5 (m,mu,,1 flilMmission) (d) BelOfc COfl/weliny the engine /0 {I!(! ,W{omMIC {MOSl/tllSion check 111M /he /O((/lle con vet/or is fully 01l9,19N/ wilh lite /f,lfI smiSSI()II pump by reh'/(!IICa to CIWp/Of 6 (e) Refll' file ,)II/QIII,llie ("'''lllltHiOIl WillI 1141/11 ,15 dcsCfI/)t'd III Ch,lpWI 6 (/) Ad/usllhe lellsioll 01 the IJowor steeling IIlIfIIll MId .11/emMa. !lnvalid/(s) ,15 d(!scfI/)ml in Ch,?pICIS 10 i/lld 2 f(!SpcC/lv(!/y (!I) Fill Ihc cooJillfl sys/cm (el,.l/'/C' 2) ,md /lOW,!' Slcc/IIIY
SVS/l:tII (ella,'/Cf 10), 1111:11 fIIlllle mlylllc Willi od (SeC/lOll ti~) ("ho/Q)
92 E n £line -initial start-u p after major overlwul or re pair
Hel",
10 Sect Ion 38
PART C, FAULT D IAGNOSIS
93 Faull diagnosis -engine
Sympto m
(n!Jlne f.111s to tllm OVCI whim ~t;llt", IS Opc,;) lcd
Enll"n) lUIIIS ill no.",al ~pced. hili dous not 51,IIt
E"u'ne SlOp s ilnd Will not 'estill t
Enll'Ile
.",slucs, O. lUll S unevenly
L~ck of powc. illlt! poo, comp.esslo ll
91 1 T OPPln! 1 lIl) tile ""'II"") wIth od
ReilSOn(S)
DI~ch.1'Hed 01 delec tlv" 1o:,lle.y
Dilly 01 lI)os" lI.11tc.y le.,ds
O"f '!I:llve sl; IIt", soL"",,,, I. ,II SW'II: " Odl'ctlvl' s lillte. "UIIOf
Dilly 0 ' III"ken e"!I"IC "'''1111''11 SIt;IP
1\I1'"111 ':Ol1lpOlu",ts Will (If ,1;""1) DefectIve low te nSIOIi le"d Detective o. InCOllec,ly :,,, 1 ,:"III"C I h,e;oke. (,I "PI.I,,:a"fe)
Oe f"ctlve condense. (If '11'lllIo,;.,"lc) O'st"hulor cal) defec tIve. or celltral h,ush HI (irs l,,"uto ' cap Ilot m,,~, COfltilf.t w'th th e .otor a"n Ifls.ulhc,em petrol "' tilllk V.1pOOf Iud '11 luel hlle (," hut cOl1{lIuolls)
Fuet pump I:uhlfe E~O:Hs51ve c hoke, caus,,,u spillk pluUs 10 hccolllt) wet
IU"I1I(HI 1,,,IUle result Ill!.! 110111 b.cakdown. or prescncc o t w;'1ler \,Inti w(: 1 cOnthllOIlS l:n:k 1.11 tud. at luel IJlock, l!Je
loose 19111tlon Icads F(luIIV s J)n. k 1)Iuli T'(1ckin£l on d,slllbuto. cnjl IIlsuliltion
InCOIICCll11lxtu'e 'Ullilion 100 telilldcd Dilly con[,lCI blcakc. POlll1S (,I ajlplPcablc). or loose connection'
<I'SI""\,IIO'
Faully Of loose condense' ( II ~)JpIPcilblc) Lea kin U ca.hu.eItOJ. o. lII.lll1fold JOlllt
D"lectlve v.,lves Blown cyIP"de . head £lasket
WOlll bo.es OJ dilm ilye<l ,,,slon
Wo.n cylinder bOles Do::tt)cllve v~Tve Stenl seals Le<lks
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Page 58 of 205
,. Chapter 2 Cooling system
Cont ents
AntIfreeze mixture Cool ing system -draining, Cooling system -filhng Coo ling system -flushing " D,ivcbcllS -femoy~1 and refilling Expansion lank -removal and reflllmg F;)n hub be,Hing (3 .0 lit re eng ine) -renewal . Fault diagnosis -cooling system
Sp(lcifiCiltions
System type
Thermostat
Opening lempel<Jhn e 30 hue engirlcs 28 hlle enUrrl es . ___ ..
F ully open lernpcln1 ulc. 30 hlle engines , ... . _._ .. .... 2.8 hlle eng1ll es .. , ..... . _._ .. _
M'ninlllnl IhennO SWI Havel _
Orivebelt tension
O()lleCI,on JlHOwily between pulleys (longeSI run)
Prossure cnp setting
3 0 lure engines -._ .. ,. "._ 2 8 hire engin es _
System capncit y
30 htle eng ines .. , .... 2 8 lille engines
Ioorque Wrench settings "lIe fHlgil)( :s
'" ~JI~;·;~~;~'·." _ ... , .. " , e"noSl~t 110[151119
G 3 5 4 10
" 12 15
Gene',,' description RmhalOr -.ellloy;,I, inspection, clCilning imd refllting RO\ J\inc rn<lmlcnance .
TcrnpC'<l\u,e gauge sender lmil -removal ilnd fe/rHlng .
Thc'1ll0SW I -removal, testing and !(~fl1llllg . Viscous drive fan -removal and refilling. Willer pump -,cmevn l and refilling
1 7 2 13 8 11 9
P,cssu"scd. With beil ·drlven pump ,1"d larl (VISCOUS (hive type on 1.1u:, moduls). IhcrrnoSWI ... nd expansion \,lflk on I"W' Illodels
85 to 9S ·C (185 to 208'F) 79 to 83" C ( 1 74 to lSl'F)
9910 10TC (21010 2Hi"F)
9 T C (207'F) 7.0 nun (028 Ill)
100nll)1 (0.4 in)
091 klll/enl' ( 12 .9 Ibljin') 0 .8510 1.10 klli /elll' (12110 15.6 Ibf!m')
931111e (16.4 pinl) 8.71111e (15 3 p inl)
No.
710 10 710 10 161020
81011 17 10 20 9 to 13 810 11 20 to 25 201025
Ibf ft
5 to ., 5 to ., 12 10 15
6 108 13 to 15
7 10 1 0 6108 151018 1510 18
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Page 59 of 205
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58 Chapter 2 Cooling system
Goneral descriptio n
Tho coo1inU sys tem IS of tile flfCSSll"sc d type consiSling of 11 helt·driven pump. h0l11 mourllc d .ild,ator and thermOSI"! Th e hClt·rhrvcn 1,111 IS of SI;mf!ard type on carly models, bllt of VISCOUS drive IYlle ( l) holO) on lalC I models. the lallci jllCOrPO'ilUllg iI speed 1I0)'I<1110n (I(!vkc, On 3.0 hue cnOllles t he IhcollOSlill IS IOCillcd (I( tho,'! 011 tiel to tl lC tOp hose. but on 2.8 htre engines i, is localcd on the 11110 1 hom 1ho baliom hose . Lmc. models <lIe f'lIed wllh .. n CXPilllSioll !lIlIk Tho s ystem functiolls as follows With the cnuine col(I, the thermos! .. ! is closed and the cool;1I11 is I)Ull1 llCd thfOU!Jh Ihe enU'ne wilIClwlly5 tln(t h(l,ller only When the enuuII) ,cilches a prcdCIClmulcd ICmpc<nIIllC. t he [hCllnos!al oll'ens alld the COolant lImn cllculales down IhrOlluh the r,ld,nlor 10 provide <ldd,IIOlwl r.oolll1\) Where <In C'I)ans,oll tauk IS " ed. th,s cnsurcs th.11 the cooimu system IS always h,n by collectlnu coolant when th(! CII\JIIlC IS hOI olild 1f!l l11lllnu It as Ihe enUlnc cools
Fin. 2 .1 Coolinu systelll (3.0 lilro cngine) (Soc 1 )
Fig. 2 .2 Cooling syslcm (2.8 litre engine) (Soc 1 )
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Page 60 of 205
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Chapter 2 Cooting system 59
1 I VISCOUS (IPlVC I,m coupling (I,~mpc,alu,e sensitIve 1VIle shown) 2.5 Tuppill\l -lIplhc COlllilll1 h,vel in the c~J)alls,on \;lI\k 27 Checkin U the drive-belt IClls,on (28 hire CIlUulC)
2 Routino Illaintcnanco
Altho ,n1C, ... "ls SPOC""]!! utlhe Rouhnc M .. "UcnanCf! SOChOr! on Ihe 110111 01 the m;uu,a1 c;lrIy oul the lol1oWl!ljl p.occduoes
Check cnoling syslcm lor /c,1k.~ 1 In spe cl Iht! coolin!! sysh),l) hose s 'llcludlll!) the ,adIOiIO' :,"<1 Iwate. hoses for damage. detcriOlllll0n i1nd sccullly If Ihelt) is I'Irly IOulle;1I'01] of swelling 01 p<lflshinu ,en ew the hoses . 2 Chock the ,a<li;uo . fa . dilmaUc ;lUd leaks, ,llld clean ;lny dchlls from Ihe coolmg fillS.
Check coo/tint level 3 Whe r(l Ilrl expanSIon 11lnk 's hlte d (I"te. Illodels) lhc I;oolnnl ICv!:1 can tJC check ed without .enlov,nu the pr<lssu.e C;'f};1S the lank ,s made of t.anslucent f}I"st'c. The t(lnk should he ;1PP'OX"l1;1tdy hllil lull wuh the cool.,,, t lust cove.in\J the pillst'c lev<l l ,"d'CH tO '. W,th i1 h ot CI1U"'c the level 1"',11 he ShUlllly hiuher 4 On ciuhc •• nodfJIs not f'U e(1 w,th 1111 exp lln:;'(l1I wnk the level "'''~t be Checked with the .. muine cold . Unsc.ew Ihe .ad,alO' p.essu.e cap and check Ih,\( the cool,u'l leve l IS hetween 25 0 111111 (1.0 In) ~II(I 35 0 111m (1.'1 In) helow the base of the filler ne ck . 5 Top·up the flurd level USing the COllect sohl\lon of wa!IJ' and ;mtilreele with the enuino cold (photo) 11 the c"Ulne is wal"'. the P'<lss,,"e Cilpmust be remov<ld slowly to illiow Ihe PICSSUfC 10 e sc ape U'llduilily. otherWise the pres su.e d'OI) fllily c~use thc coulllni to hod over cllusi,,!) I)Clsolla l Injury.
Check drivebelt conditioll and tensioll 6 Inspect the complete lenlJth 01 th e tJrovehell(s) for dClello.,llIon which WIIIIlI)f)e,lf ,lS h1lyll1U 0' UlilZinU to the 1)Ulley cUl1t ilC t su.fi\Ccs. 7 Check th(lt the deflec tion 01 the d.ivebclt{s) midway hetween the wate. pump i1nd (litelnntor pulleys is i1pp.ox,,11i1tely 100 111111 (O 4 OIl) under 1ll0de'i1 le thumh p.essule (photo). 8 Whe.e ~Idiustillent is neceSS(I'y. loosen Ihe Ililefllilto. p,vot and adjustment bolts. re l)OSlloon the alternilto. then tighten the b olts. A leve. mill' be used at the pulley end o f the IIlterna tor 10 o b1;lIn Ihe
COf/ec t tension If .equir e d .
9 Run the enuine f o r severlll minutes Ihen rec hec k t he lension.
Renew,1/Jtilreeze 10 O.am i1nd flush Ihe CO(lhng System as descrlhed in Sections 3 and 4 . 11 F,II the coollllg system With Ihe correct solullon of watel and amlf,ccle as desc"hed in SeClions 5 and 6 .
3
Cooling sysl e m -drai"inU
If pOSSIble. ensu,e thilt the engine IS cold belo.t! d.al"i"lJ Ihe cool ant. 10 aVOid the fisk of scalding.
2 Remove Ihe .adlatOf or expanSIon tank IIlIe. cap. If the eflUlnc IS hot. Ih ls must be done vl;lry caul,ously, because a sudden release 0 1
Fig. 2.3 Clltawa y view o f Iho expan sio n tlln k showin g tho plastic lovel indicator -tH rowed (Sec 2)
P'".'·S5U'0 CilIl ,esull II. the cool(lnl !.>oIling i1nd blOWing Oul. On ,1 hot enUlIle. plilce iI cluth ove, the caf} and lurn il ve. y uently. '0 release tim p,ess\lIe slowly. 3 flel110ve the SplilSh shield frOI11 b enomh the ra(II;IIOf. of i1pplrcilble
" Unless !he coolilnt IS beinu discarded and thc ca. 's over (I slilt illJle
d'illl1. ,,'"ce a deiln IWO i1nd a half gallon Conl;1ine. underneath the ,adlaIOl. !) Rel110ve the radlatOl bOllom hose lind allow the coo'al11 10 drili" . 6 If the SyStel1'IS to be completely d,ained. rcmove the cyhnde. block d.;1I1' pluU and draIn oul Iho .emainlng coolant hom tho engine . ThiS d'illf' plug IS locilted all the s,de of the cyl inder block to Ihe rear of the oiliolicr. 7 On 1I10deis wilh all eXJ}ilnSlon tank 'emove the rad.alO' cap as well
4 Cooling systom -ftushing
In IUlIe. !he cooling syStel11 Will lose ils efficiency because o f a bu,ld'lIp 01 .uSI and sedunen t in the radiator. To clean the .adliltol. .emove thc IllIer Cill) i1nd 'he bOllom hose ilnd !lush Ihe radialo" by inse.llng a hose in Iho f,lle. car> neck i1nd funninu Wille. th.ough fOf about tr.m I11mules . 2 If Ihere is a Ilea vy aCCUmuliltlOn 01 sediment. it is betler to .eve.se
flu sh Ihe .adl~tor. by connecting the water supply 10 Ih o boltom of the rilclmof alld allowinu II 10 flow oul of the tOIl. Speclnl hose adapters arc avai lable to enahle thIS to be done w ith the rild.ator In I)OSllion. but It is p,efe.able '0 removc the lad,ato. and tum il upside down.
3 Remove t he thernlos,a, (Section 8) then .eve.se lIush Ihe engine wi,h a W1l1e. hose u n lll clean waler flows from the .ndlat Of bottom h ose connectIon.
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