engine FORD CAPRI 1974 Service Manual
Page 65 of 205
64 Chapter 2 Cooting system
FiO_ 2.6 Rernovino tho viscous drivn '"n (Sec'1)
A 8 ,,,,,',1/1..·(/ ""f' lock/WI (LH /lorr.;,,') c Mudd"," SIIIIJ!III.'/
1 2 F"n hub bC1lr illg (3.0 litre engine) _ renew .. ,t
Remove
th e drivel>el t (Section 10) then unholt th e 1,111 and pulley. Where il v,scous drive 1,111 ,s j,ued. reler t o Sect ion 1 1. but where ,1 st .. m d;ud Ian is I.Uo<l note the loca t,o n 01 the sp acer s 2 Remove the engme front Cover (sec Gh,lplCr 1 ). 3 flclllove thtl cllel'l> wh,ch 'C1.lIllS Ihe hea,ing in Ihe housing. then I>'e~s Ihe lJ(:arrng . expansion pili\) ,lnt! hub oul 01 the hom cover >1 Press Ih e sh"lt o"t 01 Ih e huh 5 Prcss a nnw sh alt ;1Il(i IlCil""!) as."emh ly 01110 the hOIl5'I1U. so Ih;,t thc CUCIo,) ~I'OOVCS me "' ;,hUrr",err l .. ,n il leI'l Irw c,,,.:IoI) G Pre% on lho h"" 11111,1 ,ts hont lace IS 8581"'" (338 ,n) f,olll Ihl1 tc,l' f;lce 01 Ihc fro nt cover .
7 F,t;r new a~lr.'I1S'OIl "Iug 10 Ih e 5h<lll horc III th e rc .. " !<lce of the 11C<I<I01!J housing 8 fleftl t h e Ironl covet. p"Uey ;md I<ln 9 nellt Ih e drrvcbe h w'th 'ela,ence to Sect,on 10.
"', '
-.'. c
'
13 3 Disconncchng the wiring hom the l(,rllp .. ",lh "C " .. "tic sellt!.:: . WI't
13 TClllporll\"ro !.F'lIgo sonder ullit -rCr1lov(l1 (lnd refilting
Th ... ICIU IIC'J\U'C UauUc scndc. UII '\'S IOCillcd all the ou\le elbow ,II the f,ont 01 t he cnglllC. 2 H(llc r 10 S "C 110n 3 .. nd d';lllllhc coolm9 system s"H 'Clcrllly 10 bWl!! I he level hclow the auilel elbow 3 Disconnect the w irmS) from the unit (photo) <I Unscrew the scndC' UIlII hOI11 the elbow 5 Retilling.s a r e liC'S," of .cmov .. I, but 101' UI) the s yslcm WItt, rcle.e ncc 10 Sec tion 5
14 EHpimsion liHlk·· .ernOllill .. nd Icfiu ing
Rohlf \0 Sec tIon 3 "nd d'i"" the coolm!1 system suH,c'Cll1ly 10 hun\] the IOllel billow lhu ""honor la p hose. 2 Unscrew the cross ·hcnd rI10urliing screws ,lfl(t 1I1I the lank from t ht: lIIi1cket (photo).
3 D,sconeet the hoses .. m d remove the e~p;ms'on wnk (photos) 4 RellwnU IS iI reyer s,,' 01 re moy"l. but rel,n th e coohng system as oescr ibeu 'n Section 5
142 Removing th e e~pansion ta nk mounting soews 14.3A Disconnecting the side hose ... 14.36 ... and bottom suppl y hose flom lhe
c~pansion t"nk
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Page 68 of 205
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Chapter 3 Fuel and exhaust systems 67
Torque wrenc h setting s Fuel P\JlllP Inlet n'<llllioid Swgc 1 Swgc 2 Swge 3 StJge 11 (<lhe, runninu enome for 15 minutes <II 1000 rpm) Exl1;lllSl n1<ln,lold to downpipe Exil;lusl U·holts ,11\d ci.lmps C~rblllClt(}(
Pari R Fue! iniaclion syslem
G ene ra l SyS1c'" Iype Idl e sp ce d CO "o,![ ull" Fu el p"mp rfelov(!ry (nHrHrl1lJlll)
SyS1cn, P")~"'''U Fvcll,mk Co1P,lC '(y
Torque wrenc h settings Fue l ,11,>1,,1.,,101
W",m "p "'~11I1;,1O' 51<1,1 V,llvt: A\J~'h;"y i'" duvlC(! Air eh.""I>", Bal1)o I>ull~ Fuel d'SI"hu\or W",nl up '«!lul,l1or (MIO) W,llln·up rC(jul<lIOr (MS) 1I11C(:1I01) pipes Fuel pllfnp. fi lter <lnd ncculllul<llor
PART A: CARBURETTOR SYSTEM
Gener,,1 description
TI", 1",,1 sy'>I<'1ll <;onSIS1$ of " reM moulI1ed fuel wl1k. il {hilpluo1\Jn1 type 1",,1 1l"'''P d"v(JIl I,om the C,lIllSh<lh !lnd " (lu,11 vellll'" lio .. ""h''''!II\! <::111,,""110< There Jle two SepJ IJle eKI"luSl <1sselllhllC s.
eJr.h COII~'Stll'!I 01 ,I hont pIpe nnd leson<lto r. mtell"ed'ille pIpe <1nd Slknl"ul. '" HI J 1<111 pIpe <llld Sllcncer The <lir CICJllCf 011 Iiller models II1C<J'I101;lleS , te"'pcr<ltlllC control II,'I).
S omn models !"ay he hlled wIth a p,llted vacuum switch (PVS) to p'eVUl1t fI"1 SpulS aud nllsl"'"0 OCCll""'\) when the enllllle is cold "lid flll"""'1 WIth hJlI or pMllJI choke. When the enuine IS cold (below 71 C I i GO F» the I'VS IS closcd. In tillS cond,I'Oll. c;lIhurenor v,lClIllln IS ,'Pl'hed directly to Ihe d,st"lnilor V'J the Ilon·return v;)lvc. whIch "lIow~ (he va ClJllI1I Jdv,lIlee to IJc milll1lolll1e( 1 lIntier <1cccieIJt.on.
prc .. en ('''Uliat spots or mlsf""'\J .... ·ho)lI the eng"'e h<1s re<1ched liS norm;ll ope,mll1\J lemperJtllle Ihe PV S I, open In tillS condltloll lhe C<1rbUle1l0' '5 connected 10 Ihe
d ,s t"hu!Or v.a lhe PVS.
2 Rouline lll<linlen <1nce
AI the IIlIclv<lls spec II led 111 the RoutlllC Malfllelwnce seClion Ullhe "0111 of lhe IllJllll<l1 CJrfY out the followmg procedures.
Check and adjust the idling speed find mixture 1 Refel to Sect.on 12.
Check condilion of fuel hoses 2 E>.n''''lle illl Ihc fuef hoses on the eng ine compartment and on the fu!:1 ""'k. for SIgns 01 leilkJge or eletellowt,on. 3 Che ck the secullty 01 <lll fuel hoses Tighten the IIllet mnno 'lold
holtS 4 Rel"r to Sect,on 19 Jnel t.ghlcn tile IIllet I11J",101d bolts III the
)
s!:q uence (jlvcn
Renew the ilir filler element 5 D'$ coruWct lhe hauery. G Remove lhe twO nuts secullng the air cleaner lid nnd remov e tile
N rn 16 to 20
4 to 8 8!O 15
'8 to 2 2
1 8 to 2 2 20 to 27 38 to 45 20 to 2 4
Ibl It 12 to 15
3 to 6 6 to 11 13 to 16
13 to 16 15w20 28 to 33 15 to 18
1305<:h K ·JetfOnic COlltonnous inlCCllon !JOO .1. 25 rpm 1 25 I 0.2 930 a cc cvcry 30 scconds 5 f)5 I 0.25 kUI/crn' (789 I 36 11l1/on') 580 hlrc ( 12.7U<lI)
Nm Ih l It 32 to 38 24 10 28 7 to 10 5 to 7
7 to 10 5w7 7 to 10 5 10 7 7w!l 5 10 7
18 to 20 13 10 15 11 to 15 810 11 5 to 8 4 \0 6
5 10 8 4 to 6 181020 13 t o 15
hd . 0" I;>ter models the ltd rnily be secuted with sprong IJSleners. 7 LIlt Out the paper clement <llld d,scmd it.
8 Cillelllily clc<lll the inside of lhe Dif cleJner body. !;"IlS''''Il\J thilt no dllt IS illiowed 1 0 drop into the cmhurCl1or. !J I'll <l IICW element "nd tclot the <l" clc<lner lid 10 Recor"lect the IJ,1twry
Check air cleaner IClllpcril{(lrc control (whcrc (i{{cd) 11 By looking through thc main ,101 cle,llle' spout. nOle the pos'tlon 01 lhe 1I"1l v<llve. Wilh lhe engIne stmionJIY Ille lI"p should he lully closed 12 SlJr t Ihe engine <lnd check the oper,ll,on of the lI"p vJlve W.lh the engine Idling the IfilP should open Jnd s tily open 10 ,1110w hot all "liO lhe <1" cleilllCr. Note: II is essen/l,ll/liall/llS lesl is C,lIllC(/ OUI wilililic ClIljlllC cold. If the 11"11 !CIIlJ"lS closcd whell the ell!l",e '5 st,IIIC(lthell 1herc IS <l fmill 'n eilher Ihe dl<lpilfilllill unH Of he~t S(oll50r "nd thcy should he tcsted JS follows. 13 Check the vilClium supply p 'pe for leilks Jnd renew It II suspec l
F ig . 3 .1
Air tamper<l ture controlle d nir cleaner (Sec 2 )
A 8 C
VaC(I(lm mUlor FIlip valve I-IC<1I sensor
o 1-101 all in",ke E Culd illl U!wh,
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Page 72 of 205
) Chapter 3 Fuel and exhaust systems
FiU _ 3.13 Components to he checked (Sec 9)
A
8
C/u':(:A fur wP.olf alJd (/illlli'f/I.l Clwck '(If .~/I"lIitJfJ
C CI)(xk for hd,ill{J {) Check (Of spfrlling
10 Weller cnrhurettor ""tom,lIie choke - rcmov,]L overhaul
and refitlinu
1 DlsconlH!~1 Ihe i)illicry nC\j<ll lvc IC.ld. 2 RClllOVC lhe <I" ,Icaller ns dcsc"hcd in Section 3
3 UnscI!;w the contlC hoi! ""d remove the cover. 1 Remove the three SCfClWS. dewell the housing <lnd unhook the bi·mctallic spring
5 Detach Ihe interna l hCill shield . 6 Remove the smgle U· clip and disconnect the choke plote OpCfilting link, 7 Remove the three screws, disconnect the choke link ,It lhe opefiHing lever nnd dctilCh the chokl:! assembly . 8 Remove the three screws <lnd dC1<lch the v"cuum d,aphr<lgm assemhly. 9 Oisn1nlltle the !Clllnin,nU p"rts of the choke n1cch"n lsm. 1 0 Cle,ln ,III the components. II1spect them lor we"r [111(1 damaUe MId wipe them (hy with" IInt ·flee cloth. Do not use [lny lui>ric"nts dlllinU
le"sselllhly. 11 Ik"ssemhle the choke meCh'1I11SI11. 12 Relit ll1e v"CUUIll til"phl1'lI)lIl alld hOUSII1,). enslllinu th"t lhe (hilphl,l()fIl IS lIolt before lile housing IS fllted. 13 Ensure thm the O-IIllg is correctly locmed in the choke housinU then reCOllnect the lower choke I",k Position the assembly and secure il WIth the thr ee sClews . ensure thnt the upper choke link loc"tes
cOlrectly tluouUh the c"rlJlJretlOf body 111 RecOllllec t the upper choke Imk to the choke Sp"l(tie. 15 Check the V"CUUIll pull· down <lnd choke phasing. [IS deSCribed in
Sect ion 11 1 G RelIt Ihe mlern,,1 heat shield enSlllinu that the hole in the cover loculCs correctly onto the peg C[lst III the housing. 17 Conllect the bi·mewl Sp"llg to the choke lever. position the housing and loosely lit lhe Ihree relnining screws. 18 ROlnte the houstng untIl Ihe marks ,lre "Iigned. then light en Ihe three screws. 19 Refll lhe cover logether WIth [l new g<lSkCI and lighlen Ihe centre bolt. Top up the coohng sySleml1 neceSSJry. 20 Reconnect the batlery. run the engine and adjust the 1"51 idle speed. "s descflhed in Section 11. 21 RefIt the ,111 cleaner.
11 Weber carbur e l tor automnt ic choke -adjustment
Note: lile pfOccc/<IIe is dcscribed for a C,,,bUfel/or wllieh is fl/ler! ill Ihe C,lr. bul wllh llic cxccptiun of fast idfc specll alljUSlmcnl. alf tiisks «In bc c,1rried oul 011 Oil! bcnch if fcquitcd where Ihc cafbuff!/lOf has
bccn rcmoved 1 D 'scOllncct Ihe bn(lcty canh lead . 2 Rcmove the illf cleaner. ilS deSCribed in Seclion 3.
.l.I. .... , •• ,. ••. • .. .• . ,,~ ......... , •• , •• .;..,.: .•• ' •.•••• 1 . ;."
.,.', .,1,,/. 1,,' .. 1 . .. . , 1.,.: .. 1,.1.1,.1 .•. : ...
J
Fig. 3.1 4 F loat level adjustment t<lg -<lrrowed (Sec 9)
Fit!. 3.15 Automatic choke housing re taining screwsilrrowed (Sec 10)
.------
./ /' (
Fig.
/
3 .16 Automatic c hoke h ousing alignment (Sec 10)
A Rich c B Normal scl/lllg
marks
71
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Page 74 of 205
Chapter 3 Fuel and exhaust systems 73
Fig 3.21 Adjusting the fast idle speed (Sec 11)
A Clloke f(llly Olwn ()
the 1:1l!)1I1" alld ;HI)"~;1 lhe lasl ,die s<:rew as llecess;uy 10 ohlain lhe COlleCI la~l I(llf~ 'Ilill 11 Finally felll lhe ,\(I cif,.1ne,.
1 2 Weber carburettor ~ id lilllJ ndjustment
N ote: III view of lfoe illcfem;illg ,1WmeIJeSS ollile d,lI/flefS of exh.lflsl pol/ulioll olml Ihe vefY low levels of cmbol! //Ionuxirle (CO) emission fOI which Ihis e,,,burel/o, is dcsiW!N/. IIIe: slow fUnlling mix/ute: se:l/ill9 ,wd tin' b,lsie idle svlling all WCbt'f e,ltborcl/OfS shoufllllu/lw "djus/cd Wililoll! OW (ISO of a {!fop!"!, CO flfv/ef (c·Xll,lOS! fI"s iflf'lfyser). Bdum CUfluHencillY work ,1150 f(;o1(/ /he flO/t' .11 til<: IW9innilly of Sl'CltOn 9 1 Walm LIp lh(l (ll1gU)(l 10 ilS nounal operalinu If:l1lpCrailH(l 2 COlIIlCCl .1 CO nleler ilnd " lolchol1l(llel. ,I lhe Iilller ,s nOl aire<l(iy flued 10 lhe car. according 10 rl1;lnulaClurer"s "'SlrllCliOIlS 3 Cil.!ar lhe ell!Jlfle I.!Xh<llJSl gases by 'Ufllllnu Ihe (lilgine ,11 3000 'pin lor 'lpproxilnal!."ly 30 seconds ami allow lhl.! enuille to ,d ie 1 Wall lor lhe melel t o stal)liose "nd Cor"pJre the CO "nd idle specd re.1(lrn!Js ~\J.1illst lhose Uiven in thl} Specrf>Cilllons .11 lhe IJCU>flninu 01 tillS Ch,lplN . 5 Adlust the Idle speed scrcw 10 give the COIfCCt rpm. (j DlHlllO nornlnl rout>nc m~>lltcnnIlCC serv'CIfl!I. norll1<1lly no ,1d·
IUSlrnent of lho mixture (CO levol) w,lIb(l requll(ld. It howevel the CO levcl is lound to be II1COHCCt thc 10110willII p locedwe should be ,ulnp!Cd 7 Rcmove lhe plast,c C<ll' coverinu each Illixturc sc'ew (whele <lppl ic<lbic) by punchl"!! <I small hole '11 thc ccntr e 01 c;lch C<ljl "nd Pllsing out with <I screwlhlver Fully w>n(1 In lhe two nllxtwe SClCWS lInlil thcy stop 111ld lhc n wi"d Olll lhwe full turns on e~ch sClew. Tum e.1ch screw both III <lilt! Olll I)y IIlCfClnt:nlS of " qlll1rlcr 01 11 turn 1lt 1l tll1le UI11111hc hest ,ul1""'g cond,uons mc obt~incd It is unporlilnt th,11 hOlh screws mc lurned u) the snme d!lcctlon and hy the S<1llle amO\JIlt
cl1ch ll1ne. This wllf give nn l1pproxirnntl} St:ltinU lor lhc rlllxlure. Now clC.1r thl} cnginc cxhiltiSl g<1ses by IlInnmu the enUlne ~1 3000 rpm lor ilpproximJtcly 30 scconds <lnd ililow lhe engine !O idlc. 8 Adfustlhe m, xturc scrcws fInd th(l ,die spced screw lIntlf lhe correct idlc spccd <1nd CO rC<ldlllg "re obwined. II lhe corrcct reildlnus m(l not olJwined withil1 10 to 30 seconds cleilr lhc engine cxh~ust g<lSCS.1S (Iesclibed in p<lraurllph 3 and r(lpea t lhe adlustnHlIlt procedure um>!
corr(lCl readings me ohwined. 9 Whe,e applicable f it new plas tic cnps 10 the mixture sc,ews. Remove th(l taChOmeler .1nd CO meter.
)13 Fuel tilnk ~ removill .lIld re fittin g
Gn;at c<lre >s n~ccssary when wOlkmg on 3"y parI 0 1 th(l luel system <lnd it is sJier 10 do the work outside II pOSSible . Avoid havlIlg the car OVl!! a pit. where explosive vapour can accumulate and wke ca,e to avoid naked lIan)(ls and any olher sou Ices o f iunition.
FiB . 3.22 C<lr hurettor ndjustlllcnt sc!ew~ (Sec 12)
A fI /dlc Spt'cil SC".,V MHIIIII.' SCII.'WS
2 O,sr.onnuct tho !Jallf)ry I,·"ds
c S,.',l/,·" /J/IIY rd,) ,wI lemow.')
3 Syphon o1"y petlOl Ii,,,,a"u!)!) III Ihl"! t,lnk min a 1",,1<11 conwu'"r sUlt<lhle 10' ~t""I1!) pel,ol lahul the C(",t,ulIcr cl<:ally and ~tolC II III .1 wl.!l1 vl!n1>iawd plar.e 1 Choke lhe trolll whe"ls S"culI~ty Jack up lhe Ie"" 01 lhl"! CM ~nd ~;IJPpOfl II on htocks. or Il(mty h;'~(ld slnnds. 5 DlsCO""ccI1he luet leerl p>pe <11 Ihe lank and III,e 11 from the clips alonu lhc IIOnl edge 01 the liwk. AI~o (hsco"ncct the return pipe where litted. G Remove thc WIfIIlO conneCl0,S 1 10m lhe tnnk sllnder til"!. nOllllg lheir pOSlllon$ so lh<l1 lhey can he reconnecled I:o(leo.:!ly 7 Unclop the v",1ll p'pe 110m Ih,) chass>s ,md dI Sr.Olllll"!t:t the lJr();\lher pipe ~t lh(l T ·COlloccllon 8 Loose" the t.1nk shaps (pholo). ~"ppo'l the 1;II,k Ul pos,t"m and. whole slin suppOlll"'I the tilllk. "'IllOVC lhe Strill'" C"rf)lully WIlHlve ltll, lo1nk .1%clllbly ilnd i,,"k \lLI ;IId. 11 lolled . leilv>lI\I II", r",·1 I ,ll", pipe I" posit>on. [) Belooe rel'lllll!) tlill lallk. (lIlSIlIC 110011 lho ftHIl "'sut,lItH p"d~ (B "I FlU. 3 23) nle sluck 10 Ih" lank III lhc pOS'I>OIIS shown 10 Smea( Ilrease IOlind lhe exlerlor IJllhe 1011,,( pqw h,,~e. to I"c,hlate liS ent ry >IllO the fUl;l lo1nk se;,1 1'0"lllon the lallk ;IIld ~lIppl)<1 ,1. tl"", relll the twO (Dilk dips i,Itl:l rc,:onnf)i:lul(l the lu,,1 ilnd vCIll p'pcs 11 Ensure t.llJl lhe vent p>pc 's cirpp"d 11110 po~,>l,on ,'!HI IS nOl klllked or u.1pped 12 Tlulotcn the tJnk stlap nulS lInnl 35 to 110 ,HIll {I ' 10 1 (j Ill) 01 lh,end IS prOlrudlilU lhrouuh the nlll
~.* ..... ·0 ~'.~',":L: :~ .. ~" :".~ r~r· .. '.~ . . ' . -
.... ', . ~ , . .
iil~);-< .~:a
1 3 .8 F uel tank StrllP lInd 1!OIt
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Page 76 of 205
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Chapter 3 Fuel and exhaust systems 75
;\1.325 Prisillll oul tho re l<lin in\] clip (A) when removing IIIH acceluralOr callie (n) (Sec 1 7 )
~ fl""",V<: Ilw au eli!.",u. ;IS d .. ,~r."'J(:d III Sf·etlan 3 5 1',,11 011 tlo" ~I""VH ,,,HI d,s<:OlUI'!Cl 111" I""~II<: sock", 110m 110"
cOlll,,,1 IIIIK"!I" G I'll'." Ih" ",,,,,,1 '''','UHrI!l <:lIp hom the IlIi,,;k"l 7 U~"'!I a ~,:",wd"v"r. d"I"CSS tile pl<l~1U: \.,1)$ "" II", '"\'"''''' wild" tw""I",!) 11,,~ 1(JI,,,,,cr. (1)I,n pull hall' the 1ll0lultorl!J 1".ICk!:! If Ihl~ pIOY"S (I,H":\lI, milk" 01 """ovatlOol \0 the d""f!"s,O"~ !),v,m on FIll 326. ,unl p,ess Ihls ooW lh' lalls to IclcJse them 8 RChHinU ,$ <1 revers.11 01 lemovi'll, 1m! ad,,,st 01 as fullows. f'lac'~ i' wCI(Jh 011 the <lecelcf,lIO' pcci"l 10 hold 1 '" HS fu lly depressed POSIt 1011. On <llJlOll"nle lIilllsmisslOIl models chevk Ih,11 Ihe downslull c;lble IS nOI pn:oven llll\j 1,,11 mnvement. Bild oil Ihe ,1(il'lslnH)nl ~Ieeve ami "dlust It so Ih,'1 the t lHollle plates ;lIC IU~I fully Up';I1. n",,,,,VI! Ih" welOh! illl<l check Ihe opel at lOll of Ihe ''';<:el",,,tOl 1',,<1;,1
111 Accelerato r Sl,,'fl and ped,, ' -rc "'ov;,1 ;,nd relilti"u
'o le: If /I" ., IU:(/"I ",!ly ,.~ to "(~ /f.'/!/oVI:1I /("1,:, (0 1""""1';'1"" 12 [)I~.,:,,,,,,,'cl (h" 1",lle,y lea(ls ? r",," liNd" t lw C,II lemove Ihe 1;)(;';1 It""", 1';,,,,,1 II I, '''WII\l:d hy ,,<'I(:W~ (IlHO) OIII""e S{;WWS (LHD) "IIIII!I Ihe ''',II "dUI! ami C;1Il tJ" IUH:lopp"d l,ulll lhe hont l~d\)c 3 n"lllove th" ,u;cole'''lot cilhlc hom Ihe p"dal sha h olS ((e~""h"d III
Secll"" 113
RI-IO variilnls 4 DI~(u"ncct Ihe IHake ope',IiIl1\J IOd ill Ihe b'ake ped;rl. thcn 'enluve tio" I"aslcr cylinder ,lilt! sc,vo lllHI nell" to Ch,lpl!!' 9 101 lUll lol'l
'nl')lll1alI1111
5 WO,kllll) I I"OIl\)h (he ,e,l' bulkhead III the C "IJ"'C vo"'p,"t""!1I1. pull Ollt lire sh;rft "nd S"CUI1I1() chp () Rotate Ihe I1\)ht·h,,,,d Shil l I IIIO'"ltlll\) bush Ih,ou\)h 45' ,n e'lhe' d1lCC1l011 ;)nd pull II Out 7 DetaCh Ihe <lcceil:!"lto, sh<Jft ilsseml,ly
LHD vmi,!IIls 8 Loosen Ill" clamp illHI dewch Ihe sh;rlt exlClls,on ,oct. 9 C;uefully rlllve Out the ,,\)Ilt·hand 1110unlll\\) bush 'ewln, n\) clop 110111 Ihe sh;)h, thcn slide Out Ihe sh;)h ulll,1 ,t louches the hCitlC! IJOx 10 Detach thc "U1l1 h,H\d mount'n\) bush I,om thc ped;)1 1J0~ by 'Olilllll\) tlHolIUh 4 5' 11 ellhe, ducctlon, (hen pulhng It oul The ilccelera!{), slHlit [l5seml;l), Cilll 'lOW be removed
AI/models 11 Oetach II", 'em;lIl\ll\Y bush ;rm] clIp hOIll lire shalt. ) To re11l0V" the pedill, pl1se the f!;ln\Je ilway Irom the SPIYO( on lire snail. lhell ,emove the p"dal and sp"ng 13 WI,en ,eflll"'!! tire pedal. locilte the sp''''U on Ihe SPIUOI shall, lilr,, clop th" 11""\)"$ 01110 Ihe SP'\JOIS ilnt! check lhilt Ihe pcd;)1 I"vots
cO"lIetl),
Fig. 3.26 Accele ra to r cable rc moval 1001 (Sec 1 7 )
A _ 250",,,,(10,,,)
() ~ Cell(fe IlUlidl /11 /J!Uv;d" ',1,SL'd -'''ullld ... ,
14 ncllll"'() the pud.ll shilft ,s Ihe ,eve,su 01 Ihc lelllov,,1 IHocerhllC, lolinwlllU whIch It w ,lI he 'H!CUssa,y to ;ullllS I It,,) cailic. "5 d"scllt)IJ d 11 Si,(.t'OIl 16 OIL Rill) v;",allts. dlcck lh;ot the I)(:d;oll"'$ 6 tn 14 ",m (02" 1{) 0 55 'Il) I,ft 110'" the nflu posit 'on If IIo,,"ss.u y ild)"st Ih!! pedal
Iofl up ~!Op !O ach'"ve I h,s
19 1"lc t Ill[l"il o ld -rClllov;l1 ilnd rcfitting
1 DIsconnect (he biltlc,y ne(),1Ilve IUild. 2 D'illli Ihe coolm\) syslem (Chapter 2). ,emovc Ihe d'StllIJU1{)I (Chapl", 4), and remove the C.llilll'et!O' (SectIon 8) ] DI~<:OIlI,,:ct til!! rl!m,IIIiUlI) hoses ;rlld Willi'\) <1 UllSV,P.W the 'nlet m;r,ulold holl~ p'ouress,vd), III II", ",v,,'~r: oldl)I 10 that lflvell II, 1"1) 327 5 LIft 11'1) II,let Ill;H"lold frum tlH! o:yhlHit;, hr:;lds ;",(1 II''''<JV'' II", cornlJlIlcd \Iilskct li To 'errl lhe Il\lell1"""lold, I"~I t:I(~all Ih" 1I1;1I11'!1 I,u,;,'s 7 Appl y seil lll'!1 co"'po,,,,d whe ,,, Ihe lowe, I:O''''"'S 01 IIw cyllllde' IH',lIb IIII-,ul Ihe ,;yhnd<], 1>10(:k 8 LUCil(e il lIew \)Jsk\lI Oil lh" Il(lild~ ;",(( block :J Fll the Ullet '11;UlIlo ld then II'S"II II,e holts olml i<\)ir(ell them 11Iou,ess lvcly ,n Ihe scqllencu shown In F,U 327 alld ,n lire sw\)es
\)IVCll '" the Spec,fr~.lt'ons 10 The '''lllillll'''\) proced",e IS" 'eve,s,,1 01 ,elHoval rlefrlllhc cool",'J s)'stem WIth Icfe'cnce 10 CI"lpte, 2
Fig. 3.27 Inlet III,mifold bolt tightening sequcnce fo r 3.0 litre engines (Sec 19)
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Chapter 3 Fuel and exhaust systems 77
Fig. 3.29 CUlling the reM o f tho exhaust system to facilitate its removal (Sec 21 )
6 Usu a hadsa w 10 CII I II"Ul'!lh Ihe .e:!. Cxh:!ust p'pe ilhoul 240 mm (94 .n) ItOm Iho! ''';]' ollho I.onl tI:S(HlilIO' (r.O 329) 7 Removtlihe IHII sl:(:IIIIIl!llhe I.:a. sllrm cm hlolt:kel clamp. SWU1!llhc hl"ck,,1 ell,;" ot 1111, sol"nc", :tni! ,,",I ,lcll lit" ",n, e xhausl ~(,CII"n. 8 Ot.lt.1Ch ,1", 11"'110VI) Iho I"a. IIIOUnlll'!IIIIIIlw. :tnd IIIa(.k,,1 clallip 9 Rell1uve Iho hont P'P" LJ r:lallip and dill I oH 1111) Iron I pipe . D"t;tcll Ihe f(:sonn lo' 1I100mlll'!! h.ack", and Ih" wll plpt: 111111. If filled 10 Slilll 1e!11!1Il!j hy SCllhlll\j il nlo"k 115 I'"'' (1 8 III) 1,0m Ih', CIII ends ollhe ,csonnto. 10 Silence. pipe I I POSition Ihc .csonnlOl and ltont II'IX! ilSS(lmhly. loosely SUCIIIC ,110 the hr,'CkC I and man,Iold connCCIoOIi 12 Slide a se.vice sleeve (FlU. 3.30) 01110 Ihe .eson ;IIOf I"I)C. pos,"on,nu lI S end In Ime with Ihe s O lhed ma.k m,llle p.eviously. 13 F'llhe Silence. l)lpe mlO Ihe sleeve up 10 lI S sCli hed ma.k and .ehl Ihe .e:!. StiOIlCt" c l."up ItJo~ly Wilcil hlhll!llhe clamp. ensutc Ihm liS
;IIlUlet! end .s IIpp • .:tlnn~1 111 1\l1!II'lhe I!xhatls l syst"m sn Ih;11 .. I tin 1IOilit IS 'I Ile;u,,' Ih;)l 1 25 "'''' (1 III) 10 "lty i:Oll'pOllelll. o. 1',111 01 Ihe t,,,dywn,k TI!lilteli th\)
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FiU . 3.30 F itting the service sleeve to Ihe eKhausl system -arrowod (Sec 21)
II1n n llol(1 conn(:(:tlon and Ihen screw on Ihe nUlS of Ihe .esonnIO' clnlllflllll111 13 mm (0. 5 m) of Ih.end Pfotrudes Ih,ough Ihe nulS. 15 1'0SIlion Ihe IWO U·dmllps on Iho service steeve and li!Jhlen the n\llS 10 thu IO'IIIHl w.ench sc1ttng Uiven in lite SPCClhC,ltions 1 G [1"" 1 lit,) 1;111 pIpe 111m of "pP'OP".1W thon reconnect Ihe b.ll\e'y. M:ttllhe OllOine and chock 10' 10,lk 5 17 Low,,, the c," 10 Ihe Wound.
PART B, FUEL INJECTION SYSTEM
22 Goneril! description
The 111,,1 "'1"Cllon sySlem fitted 10 Ihe 2 .8 hIre engIne IS o f the COllltlllHlIlS '''IL'Cllon Iype ;tnd sttppltes " p.ecisely conuolled (IUnllllly (II ;I\()lII,":d hll:1 10 "nch c ylt1lde. undo. fill Ollo.nttng condItions.
A U C
Fllel plllllJl FII~·1.1C'·''''IUI •• tul '''mUIr) IWlls",!}
Fi g.
D f F
3.31 Locations o f the fuel illjection system compo non IS
Fuel "'WI G rhemlolime switch
(Sec 22)
K
L Relays ilnd line (lise Im,lu'se module OrstllbulQr/mixture cO/wol "",I W,l. m·up leguliltol H Allxrfi,lfV illf device J Stilll valve
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Chapte r 3 Fu el an d exhau st systems 79
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Fig. 3.33 Fuel injuctiOIl system circuit di<lUrnrn (Sec 22)
1 /J,1I1C 1V C W"lflll (If! luyu/',lor plMC
2 Sialicr I/Iolor /) Axll/,-"y ,1i, device G Theo1lO/lmc switch
3 fgnitioll switch E FIII;I/Iump H St,lfl valve
A M,lin con(Iol r(;/,)y F S<!fCly swllcil on senso! J Impulse module
8 Power supply rcl.1Y
Tho safety switch is provided to cut olf illl power !O the fuel injection sySl(!m if the air sensor plJIC (mixt\HC COlllrol assemhly) IS il the rest position even if the ignition switch IS all. The s[lfcly switch would ell! off the power to the fuel pump for oillllpic ,I il fllOJllmu W<lS darnol\jC(t 111 ,111 t1cciden t or hurst through deHH,or,11'QIl lhc ~wltch is located close to the mixlluc cont,ol lin'!. On f,lIer models th\! Sille ty switch h<ls been repl<Jccd by <I S<llcly control module. ThiS Illodule supplies power 10 Ihe luel pump prOVided Ill.ll It IS "xe,vlIl\j pulses Irom Ihe 'V'1I1Ion co,I, Ihese pulses helnl) evidellce thm the env,ne is 1I'''ning. When the engine stops lor wh<ltever reason. the salely control ule cuts 011 power to the fuel pump.
23 Aoutino maintenance
AI the IntelV<lls specihed ill the Routine Milmtenill1ce 5 eC1l0n ,n the Ironi 01 the m<lnual cmry oul the lollowing procelillle$.
Check (Jnd adiusl idfing spoed 1 COllnecl11 11Ichomeler to Iho engine then rlJll the enVine to 110rmal Oper<llll1g lemperilture. 2 Incre<Jse the engine speed to 3000 rpm lor 30 seconds then allow
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n fr.X l
the engllle 10 'die.
3 Check Ihill I he idle speed is lIS given in the Specificmions ilnd il nccnssary "dlust the idle speed screw 10cllted heneillh Ihe Ihrottle housinv {photo).
Check conditiorl o f fuel hoses " Reier to SeClion 2.
Tighte/l the inlel manifold boilS and /luis 5 Refur 10 Section 29 and lighten the inlel rll<lnlfold bolts illld nuts in tile sequence viven.
Reflew Ihe fuel filter 6 Refel to Sec tion 25.
Renew the air filter element 7 Disconnect the h<J\leIY. 8 Release the spring clips on the air cle"ner {phow) 9 Lill Ihe <lir cle"ncr cover. logether W ith the fuol distributor
assembly, ,1rld hit out the air filler element {photo). 10 Cle<lnthe inside o f the ai, cleilner body and covel 11 F,t il new clement then refitlhe cover. 12 Reconnect the bllllery,
23.3 Idle speed ildjustrnellt sc rew (arrowed) 238 Releasing the .. II cleane l spring Clip 23.9 Removing t he air filter element
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Page 81 of 205
80 Chapter 3 ~lIel and exhaust systems
24 Ai r cloanor -removal and re filling
1 Remove Iho elomerll as dllsc"hed III Sect,on 23. 2 Work,nn under Iht! left ·hand honl wheel arch. unboll the illr clenne, hOdy f,om Ih e s,de of the engmo compnl1lllen\. 3 Rohuil1g IS n rove rsal 01 tho lomova l I)rocodule wl lh relelence 10 $(1(;11011 23,
25 Main system compono n ts -rellloval "l1d rofitling
Fllel p /llllP 1 Thn hll)1 pump IS loc.lwd "' " lI,hlw.. 1ll011111111U .lUflchod 10 Ihe "!Ihl h"n{1 51th! 01 lhe 11I/,llal1k (phnIO) ') D,sC:OllllCCI Ihe h<lllulY 3 Rol'-',1S0 Ihe IHeSSUle OIl tim SyS hllll I,y lelllpOI<I"ly looSl'!I1I1'l1 Ihl)
le"l1 line IIIlIon on Ih e lu«1 dlSlllhul<ll C,11l:h Ih o sm<lll <lmOunt 01 luel wh" .. h CUllies oul 111 <I p":c:e III dOlh 4 Wllh Ihe ,eil l of thl! c:a, flve. <In IIlspeCt'OIl pit or sUllahlv rfllscd.
cl;lIllp l hl) 111(:1 IIIIUI hose IIC1W,,':1I1he ludl;lllk ,1ml th « 11111111) uSlnH ,1 h",ke hose cl,IOUjl or sHlIII;" If Ih oro ,s only ve.v hnle 11101111 I ho 1IInk. illl 11"lIl<1llvO 10 cl,1mplI'!l1hc ho~() IS 10 dram Ihe Innk onCIl Ihe mlOI hose 10; ,h~c:ol1nCClu" !". OIs.:nrUlI){:I IIlI! Iud ",Ie! ,llId uIIII" 1 IIIIJoI:S I.nUl Iho pump G Cn,"'ully ut",llily Ihf! dm:I"c:al C:("UH~C1l00S 10 IllI! pump nil"
'''~t:un'''~.1 11",," 7 I ,.,,.,~'''' the 1I!l11l hoilid Illd 1'lIlk SUPI)(Jl IIII(f Sl'ilP Illell unh(lll ll,,~ lul,I)". mOlllllll'H ami 111,,1 JlUlll!' 8 !'IISf) the pllmll "("n the "'OIull"'!! !) Ilcfllllll!j 's il IUliers,, 1 01 ,emOVi.1
FiU. 3 .34 R Oilr viow o f
A Ink'1 pi,ll}
fuel,HIIl'I) (Soc 25)
8 Fucl'WIII/'
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) 2~ 1 Fllel pump showing Wlflflg ond oul'el pipe
~ .. . . ~ ~ ... ,
2510 Fuel accumulatO'
Fuel accumulator 10 The fuel accumulatO I is bolted to the Ical 11001 above Iho lear "Klc (phOIO). 11 Disconnect the bflltCly . 12 Releaso the preSSIJle in the system as descllbed in PfllfltJlilph 3, 13 I'lilCO the leal of th e car ovel ,1n inspection pit o. lilise il on ' ilmps O. fldo·stands. 1 4 D,sconnectlhe fucl pipes I,om the lu el accumul,110r and catch Ihe s<llflll qUflllt'ly of fuel which Will bo released. 15 Remove the Iwo Illollnling SCfOWS and remove Iho acculllulf1lOr. 16 RefollinlJ i~ a ,eve,s,11 of ,emoval. hut lemovo tho floor panel hom Ins,de Ihe lum,ji'ige COIl1I )il'lnlenl and relit Ihe p,oteclive Cflp5 over lhe SC(()W Ihronds .
Fuel filler 17 The luel 1IIICr 's locmed 011 th e wheel olfch in Ihe lelt hand side of Ihe .mU"'o COIllI)"' ln,elll (1IhOto).
Fi U. 3.35 ConeCI 10Ciliion o f fuel filler oullel pipe (Sec 25)
A B Fuel "'ICf Ou/lelll'lle c Engine comporlmenl side p,wel
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Page 83 of 205
,
~ Chilpter 3 Fuel and exhaust systems
~5 4513 ,111<1 "'f hose s 2550A D",conneclinu the maUl "" supply t.unkul!! 1.011 the 1111~hue cont.ol 111111 25501l mid th'OI1I C houslIlU
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25 53A UnsCII)w the holts. 255311 ,,,"U)IIC the ~'" chal11bcr ~5 53C ;11111 'cmoY(: the Haskct
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25 5 4A UlIsc'ew the 11101l1lt;IIU bolts. 2554 U ,lIld remove the UIIL'CtOrs 2556 The "'Jecto, Q·rinU seal (a"owed)
56 Rcl,llll.g IS 11 reve rsal 01 rcmoval. hut mtlke SUiO Iha l til.., "l)OC Iors .IIC clea n and III new O'lIng seals (pholo). Also rencw the;IU chamber gtlskel.
26 I( H o mixture -adjustment
Noto: 11!e miJllllfe s"/liIl9 is preset during (!for/actiOIl of II", eM ,'nd shOll1ll 1101 "ofllwll~ require "djIISlment. If I!~'W r:QfIIl'O"Cllf.~ l)f 'he sys({)m ""VI! bccn flllCd. IlOwever. tile mix/IIII! (;,1/1 be mi,l/steil as lollows "Silly /II) cxlwlls/ y,l$ <lIw/yscr ,lIJd I,le/Wlllelcr Ad",.IIIIWII/ is 1101 possllJ/c wi/lioll/ "'1 c}(h,1I/s/ gas {J1J,1/ys<'r RUII the enuine unlll il is ill Iho nOllnal Op"';fllng ItImpcr.l111'1I Connect an ('~haUSI gas analyser and a tachollle!C' (.f not l'III,d as
Slandard equlplllcnt) III iI(;COnlDncc with tIn: nH!llul;I(;WH"'s 111-SIIUCllons
3 Incroase the enyulC speed 10 3000 'pm and hold it the,e 10' 30 seconds to Sl<lblh se thc c~hausl U,1ses and then allow the engine to return 10 Idl'flU. <1 Check the readHlIJS Oil Ihe test 1I1st.uments with those speci fied. If ;ulJustment is ,equuoo '''5t turn the 1(lIc speed screw to give the COffec t
Idle speed .
5 Break oft the lalllpl:q)lOol cap 110111 the mj~ture conlrol screw on lap 01 Ihe fuel uistllbulOi. 6 S tabilise the cxhausl Ua ses as dcscllhc·d ,n paragraph 3. 7 In sert 11 3 r1\I AUcn key onto Ihe heau 01 the mixture SCfew and tum the SCfew urlld the COlfeCI CO re<ldlllU IS oblailwd (phoIO). R eadjust thc Idle sI)('cd SCfew 8 II th(' ml~lurc adJuslmcnl cannot be Imalrscd wilhm 30 seconds from th(' moment 01 slahllrS Iny the exhaust uases. repeat the oper1!l.ons dcsclIlJ~d '" pa.lIU'3ph :I 1",;Iwe COnllnUlllU 1100 ad)U SlI1l0n l jlrocedv.e
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Chapter 3 Fuel and exhaust sys tems 83
1.6 7 I\dJ"~IIII!J II", n"~h"" ~ t:"'w
27 F"HII;Hlk. $1)I"ll)r ,Uli( and Idll)r pipr. -Ufm() r(ll
The 1(,11101.',.1 ,11111 "dlu",U pH.II.",hJlf:S ;1Ii! SII"II,II III Ihose !I'V"'I III
Sec lions 13 10 16 Ilow'IV<:f. Ih., ~.:",h:r "nlt.s 1 ... :;.1.,,1 o n ti,e letl h"tHl side 01 lhe "ml tank (phOIO) "lid Ihl) luel I'UIIII' 'S ~l'C"" .. d 10 lh(: righl·h"ml $ 1110 .
28 ACGelerilto r c;thlO -removl.1 "nu relitling
27.1 F tHlll(1l1k ~'!tldef "nil
29 Inlel manifold -rcmoval and re li inU
Ilclm In S')(:tlon 19. bUI Irl sJ(w d 01 ,.,((\01.'11'(1 thc cilllnllc1l0f,
" ,movc Ihe "'I"I:IOIS (Inti iii. chilmhef as dc-sc"hed in SeC t.on 25. N Ole th,,1 the.c IS one nul ill eilch end of Ihe m(ln,Iol(l. ;md 111m the bOltS (lIe of d,ife.enl Icn(jlhs (phow). 2 Also unbolt Ihe oUlle t elbOW and will/n·U)) .e(jul"lo, 1ll0unlin(j hlilckct hOIll I he "onl of the inlet nI(lIl ,lold (phOl0S). 3 Follow the I'ghtening seQuence uiven III Fig. 3.36 w hich d,lIels IrOIll the 3 ,0 hIr e engine (photo)
28.1/ llel110vlll\l the sleeve hom Ihe end 0 1 the (lCceh:r.lI0r c"hle 28,1 B Plisinn O\'! til " 11,1,,11\I0 chp 2a.le Removmg tile ilccclcrmOI cntJle 110111 Ihe IT,oull ting bracko l
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29 1 A Un~(.:r1:w the Inh,t m,llulol( l ho lls
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29 10 (emove tilt) IW!IS
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29, I C ... 1If1(11,/t off the ma(\, Iold
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