ignition FORD CAPRI 1974 Workshop Manual

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Contents
Introductory pages
About th is manual 5
Introduction to the Capri VB 5
General dimensions, weights and capacities 6
Jacking and towing 7
Buying spare P M 'S and vehicle identification numb ers 8
G en eral rep air procedures 9
Tools and workrllU facilIties 10
Safety f irs t! 12
Routine main tenance
Recommended lullricants and flUids
Conv ersion !,I CIOIS
F aull dlilgn osis
Chapter 1
EIlUlne
C[Hlple r 2
Coolin\) system
Ch<lptcr 3
Fue l ,mel exhaust sy~telll
Chapter 4
Ignition sys!Cm
Chapter 5
Clutch
Chllptcr 6
Manllill IJCil,hox a nd 'llltonlil!'!.: lrililsn&#39;IS~IOII
Chopler 7
Propeller shalt
Ch(liltcr 8
IlCilr ilxl<:
Chapter 9
l3ulklilU sy~lem
Chapter 10
Suspension ilnd SluCIIIIU
Chapter 1 1
Bodyw or k and trl1il19S
Chapter 12
Electrical s y s!Cm
In de x
13
17
18
19
23
57
66
87
"
102
12 8
132
142
1 [is
171
196
248
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:ansa
Safety first!
Profession;!1 010101 mechanICS Me , .. ,oned in sare working I)'oce­dures. H owever cmhusillshC you Olily be "houl gcuin\j on with lhe job In h'lnd. (10 lake the t ime to cnsule thai yOl" safely IS not pul11t ,isk . A rnomcnt"s lac k of attentIon car, resul t on an i1ccidcn!. as can fnollJJC 10 obSOlvQ COlla;n ClemCIlI,l,y precautIons. There will alwilys be new ways 01 h;IVUlU ac c.ttenls. ;111(1 'he following points (10 not p.eICn d 10 he! n cOlllplchcns,vc liS! Or <111 d,lIlge.s; Ihey ,lI C inlt'!I1dcd rathor to milkc you ilW;UC or the ',sks nnd 10 encourage II sn le ly -conSClOus ilpplOilch ,<> ,,11 wall" yOIl C;l"y OUI all YOUI veluelc.
Esscllli,1/ DOs nnd DON'Ts DON'T .cly on a SU1U1c Jack whtn wOlk'''11 undc'tlCil!h the vchlcle Alwilys usc rch<lulc add,lton,1' m ea ns of SUP11Ott. slu:h ;;IS axle SI;Jnds, securely placed undCl ,1 p.lrl 0 1 Ihe yehi cle Ih"l you k n ow w rll nO I wye W<ly, DON'T DI1Crllp IIO loosen or IrOll1cn IU\Jh'lOr(J"e milS (e ~ wheel hul. nulS) whrlc Ihc IIchr cle .s on D IDd. ,I m .. ly he pullcd 011 DON'T sW'llhe cnUlI1e w,lhoUI I •• ~I asc r"w.n.nu Ihallhc 1I.1'ISllU5S'0" ,s on neulral (or '!'D,k' whe'e DPI)loc,ll,llI) <lrld Ihc p;r,ku'!J h',lkc ;rpphr,d DON 'T Suddenly rerllOIlC the folic. c.'p frorn .1 hOI t:tluhrl\J system COlier il wllh D clOIh <lnd .clcase Ihe p&#34;,:,~&#34;,f] !1.»dually ',,:.1. or you may
!Jct
scDlde d by CSC"ll'''U cool»111 DON'T allcmpllO d •• 1Ul 0,1 unt,1 you ;IrC SI"C 'I ha s t;uolcd suUrC'crr lly 10 allo,d scalding you. DON'T yrasp any Il"l! 01 Ihc cngll1c , e~h,l\lSI or "'I; ,lyt 'c r:onll'''IC. w.thoul 11151 aSCe!l&#34;&#34;II&#34;~ IhD I II IS su fl,c'ently co1J1 10 avoul hUlllln!1 you. DON'T ,lllow brilkc UUld or anllfr eeze 10 conwct vc hlt.le P<lllltwo.k. DON'T syphon 10K'C Ioqu,d s such <IS h, el. hr;lke flui(1 or a&#34;t,hee~e lJy moulh, o r allow Ihem 10 'emall' on your ski n. DON'T inhalc dusl II m.1y he "'IIIIIOUS 10 hCJhh (s.~ A sIJcs lUs bclow). DON'T nllow any s pd t Oil 01 \l'liasc 10 leillaln IJn Ihf]II"OI wilH! ,t up sl/aiyht awDy, bclo.c somcone SIoI'S on .1 DON'T usc 11I·llll",,, s",lnnms 0101 1"" Il)uh wh .. ;h may ~lrp arul ca,,~c I"Ju,y. DON'T HlIellllltlO hit a heavy COIll!lorwnt whlt:h m ay In: J",yoml your ~ap&#34;LrllrlY yet aSSistance DON'T Ilish 10 I,msh D Joh. 01 tiokc unyellloL·d sho.t cu' s DON'T allow ch Ildren 0' alll&#34;,~ .ls III 0' ~&#34;rJII&#34;d;&#34;, 111I1'1I.",d"d vch,clc DO wCJr eye protecllon whcn usmy powe, 10015 such ;r~ dll". s~l1del, Il1:n<:h w'nde' etc. and wh"n wOl kln\) under Ihe Yel"c lc. DO use a bil",er c.eam on yuu. h al\(ls pliO. to undcrtakrnu duty Johs II will p.otcC t you. sku , from ",IeChon as w,,11 as rnakrnu Ihe dUI cas,c ' to .emoyc afte.wa.ds. h". make sure your hallds <l",,1'1 Ictt sh pper y.
NOIC 110m lon!j"tell11 coni ac t wllh use d ell!l'lle oil r.DIl be or h ealth hala.d. DO keep loose clothlny (culls. hC elc) and lony IIDn w!:11 aliI 0 1 th e way 01 mOllllly l11echamcal pa'is DO .emOllc linus. wnstwmch e tc. helorc WOlk"I!J Oil Ihe veh,cle
espcci<llly the elc cillcal sys!(![) DO ensure thm any hltin~ tackl!! us!:d has a sale wOlklng load &#39;;Itln~ admJualO tor Ihe ,o b DO kee p yoU! wo.k a.ca I'dy rt ,s only 100 eas y 10 fall oye r .. "tlclcs teft tYll1g around. 00 get sOl11eone to c he ck p erro dlcally Ih"t <III IS well. when wOlking illone on the ve hIcle. DO carry out wor k in a I()(Jica l sequence alld check that eve.ythlllg is correc.ly ass ernhled ilnd t'ghlen ed aftcrw.l.ds. DO .emembe. that you. yehlcle's salely <lHects tl1ll1 of yourself Dnd olhers II in douhl on any poinl. uct speci"hst advice IF, il1 s p ile of follow ing 'hese p.ecaullons. yoo a,c unlo.lunOlW cnough to In)ure you.self. sec k medical illlention as soon OIS pOSSible
Asbestos Cc.1;Jin trICI.on. In sutatrn u. scalrny. ;Intl Olher l)roduCls SUCh as b.<lkc hninys. blake bands. clulch tmongs, tmquc conyc.le.S. ~askels, elc -contam asl)C Stos EJllIem e C,lle mllSI be wJ-.en 10 ,l\foid mhll/{llioll QI dll)'rlwlJJ such l)lorltlL&#34;r~&#39; since II IS IUI&#34;~f(/OIlS to Ilehfl/l If on doubl. nssumc thai they (/0 coniJlI1 ashe~los
Fire Rcmembe. al all tunes that pelrol (uasolone) IS hiyhly flaIl1ln:r. N eller smokc. or h.we .1ny kind 01 n"ked tlamo ,1round, wher) wo,! on Ihe vehicle But thc fis k docs nOI end thc.e -a spa.k cauS!:d 10 elccu lca l shOll ·ClrCIIII. by IwO nletD I sUIfaccs contaclinu each oth .... coue lcss IISC of lools. a. eyen by 51,'Ik eleclrrcity bUilt up III you, I·· unde. Cellnll1 condilions, carr Iynite petlol vapour. wh,ch III or t.orrf "
sp<lce IS highly cJlplos,ve Always disconneCt the hallery eD.th l!J,ound) temu,,;" 1>,·1 wOlk"l!J 011 Dfly pall 01 Ihe fuel o. elcc'"cal syst em . .11111 nl:vn, splllrnll Iuol o n 10 a hot engll1e 01 exhaust It 's ICf.om",,,nd,,(i Ih. ll .1 Ille cKtll1{1Ulshor o f a (ype su,I;rlJh: 1o, nll< 1 "leclIICnllues IS k"pt h<lndy ,,1 IllI! !)<I.a(Je n. wOlkplace;o1 <In I,,,
N fN(;' (.y 10 e~lln\Ju.:.h .1 luel or clecl.ic<l1 lue Wllh wal!: .
Fllmes CertJ IIlIUlI1!: S are 11IIlhly 10X 'C arrt! can {IU,ckly cause Ullcnnsc",
IIIlSS ;1IId evcn de,llh ,llIlh;"ed 10 any exlent Pel.ol (!I<lsolonf:) y;'I ' cnmns mlO Ih, s cate~o.y .• 1 S do Ihe vapou.s I, o m Cf],1<1111 SOlv",,,,., '.' a s Ilichiolocthylcne Any dr<lll1l11\J Of pOlHlI11l of suc h yul.llIl" 1\" ~ltould be dOll" III .1 well IIcntilaled ;IteD When IIs'ny clcanliln flUids .lnd solvents. '''<ld lit/! III~.I&#34;&#34; tl' c;"l,dully NOlVIl ' usc ""ncII,lls hOI1' u,un'llkcd COlllallll:lS Ih"y" "'V" ufl po'sonuus V;rI)(lUI S
Nev,,1 'lin lloe "III)ln" uf ~ motor vehicle 111 nn Cllclos(,( 1 ~pace '.1 ns il U.1r,)\Je Exhau st h,m(;s con1<111l Ci'lIUOrl mOlloxlde wh"'h ext.emcly poisonous. , I you Itemf 10 run Ihe engine. always do so I'" o l)en <llf 01 011 ICOlsl h<lve Ihe ,em of (he vehicle outside 'hc w o'kpl., 1/ you <lre lortullale nnough 10 have the usc of OIn inspCCI'OIi
IH.:ver d.ain o r pour pet.ol, nnd neyer .un Ihe engine. wh,le Ihe ve lll IS S1<lndin~ ove. II; (he h,mes, beinU hca yier than ail. w<1I concent/;II ' the 1)01 wi.h I)(lSsl hly lelhal ,esults .
The I1M/ery Never cnllse a spalk, o. Dllow n naked !rUIH. noa. 11m voll" I
h;1\1I:'y II WIn no.",,,lly 1m !JIving 011.1 co.tam al11o"nl of lIyelll'!I'""'<
w h,,; h IS hl\lhly cx, )loSIY c. Alw;.ys dlscon,,!:!;' Ihe hatlc.y e.1.lh (wound) 11:,""11.,1 1,,·1. wo,k,n\) or' Iloe: fuel 01 CI&#39;lctrl~&#39;11 ~ystll&#34;&#39;~ II possl hl() . looson the frller pl"ys or COYer when d,;oQIIl1(1 I
h ntte.y trorn an extern,,1 sou/cc Do n ot chJ'Ue .11 an ()xCCS~&#39;y&#34; .,,1, the Ihllle.y 111,1y hursl Take cal(! when 10PPInU up nnll when cally,nu the h.ltIC'y lh'I.' I:lcctlolvtc. eve n when drlu led . <s Ycry COrrOSIVe ;)n( 1 ~houhl ""I .lllowed 10 conwct Iho Cyes o. ~ .. '" If you eye. need to p&#39;Cj).1H~ eltl<:l.olyle you'Sctl , alwOly S ,1{ld the .. ' slowly 10 Iho) wOlle •. ,lnll neyer the o lher way round Protec • .1(1""
S plilshes hy wea""y ruhbcr uloves Dnd go~gles Whe" JU"'I) stnlt"'u 01 ca r uSlI1g a booster uatw.y. to. negDllv c l'" (wound) vehicles. connecl Ihe )U"'I) leads in t he follow,ng S(){ll"'''' F"st connec t one ,orn ,) lead belween Ihe posllive ( , ) le"',,,,als 01 1 Iwo hallelieS Th,,11 conneC I Ihe Olhc. jump lend lust 10 Ihe neIFII ' ( ) lelmll1 0l 01 Ihe booster hOllery. ilnd then to 0 good eDrth , (groun(l) pOonl on the lIehiclc t o be starled. 1llleas t 18 in ( " 5 erll) f" Ihe hatte.y If I)(lSs.b lc EnSUIe thot h onds and Jomp leads ".e CI C.1, any mOllln!) P<l.IS. <Inc! Ihal (he IwO vehlclcS do not touch . Dl scon". the ICild s 111 lhe .everse order.
MaillS elec tricity When lOSing an elec'ric powcr 1001, in SpeClio n htthl e.c. wh .. wo.ks fro m thc maIns. always ensure Ihm Ihe apphonce is corr(:( ' connected to It s plug nn d th~l. where necessa.y, il is properly eilrlh. (grounded) Do nOI use such Of}pliilnCes in damp condilions ;" agilll1, bewa.e of ereahnu a spa.k or applyillU excessive heal In I'
VIClnlly o f fuel or fuel vnpour
Ignition fiT voltage A seve.e elect"c shock can result from touching certarn parts 01 tl
Iuni lion sySlem. such a s Ihe HT leads, when Ihe eng,n e 's runlli/Hl being cranked. p<I.llcularly If componcniS are dnmp o. the insul<lllOll
d efective . Where an elect.onic 'ynltion syst em .s filled . the HT volt .. , is much hluh(:r and could plove lawl.
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'6 Routine maintenance
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Every 250 miles (400 lUll) or weekly -whichever comes first
Check the engine 011 level and lOp up " OCCCSSJry (Chapler 1) Check and adlus t lhe IYIC pressures (Chilplcr 10) Clean the windscreen and windows C lean the hcadlamps
Every 6000 miles (10000 km) o r six Illonlhs - whichever comes fir s t
£II[1ille (Clwpter 1) Change engllle 011 and IIher
Cleiln oil flilm c"p Chcck 10 1 ,IllY fluid leaka!)e ,n enUme CO'llp:lnUlCIl1
Cooling syslem (Clwptet 2) Check cool:'lnt level
Fuel syslem (Clmpler 3) Check idh"U mi~lUle (cmiJUiello1 IllUdels onlv) al I"SI se.v,ce ollIe, overhaul C heck idllllg sj)ee d
Ignition sys/Cm (C/I,Wler 4) Clean ,1nd re!)"p Sl)".k plu!)s (.:on!nC ' breilkCl Illudels olllv) Cle an and check d'Shibu\o. C"I). '010'. HT lealls mId co.1 (COllWct
bleaker modcls only) Check elwell angle (cOntact b.e"ke. mo<lel s only) Check i900\OOll hlllillg (COnt:'lC1 break er models only)
Cllltch (e/Mllter 5) Check adjuSlmenl
Bri/king sys/Cm (Ch,1pter 9) Check selva
Che ck hydraulic flu id h,vel
Ch(: ck p"ds :'Illd sho(:s lor wear Check h.ake hllcs and hoses
Suspension .wel stvi'ring (Chi/pICr 10) Check tyres 10' w ear and dam:lge Check steering COmp{lIlCnlS l o r w e:l l "lid d.1nlilue
Bodywork. .111d fittings (Clwptef 11) C lu .. >ek se"t belts fa. we .... damage :lnd secwity
Elvc(ric.11 systcm (Ch,7jJ(ef 12 ) Check Ope.iltoon 01 "Uhts Check wilsher flUId levels Check b.1ltery eleclrolvle lev el
Every 12000 miles (20000 kill) or 12 mOll1hs - whichever comes first
III .1(/(lIlioll 10 Ihe 6000 m/le sciler/Ille
Engine (Ch.1f)ter 1) Check and adlUSI valve clearanc es
r"' .......... ~.~-.... ._ •• -.... __ .... . 3lii1&l •
Cooling system (Chapter 2) Check condition "net tension of 1111011)<1101 dflvehelt
Fllel sys tem (Chapter 3) Tighlcn inlel IIHlnl lold boits/nuts Check vacuum hoses Check e~hiluSI syst em Check ll1r ctonne. temperature cOllllol (,I applicable) Renew fuclllllC ' (fuel injec tion models only)
Ignilion system (Chapler 4) lubricate th e dis'flbulOf (conUlel br eake r models only) Renew the coninCt hu,akcr points (II nppllcJblc) Renew the spMk plugs
Transmission (Chapter 6) Check ool/th"d level Lulmc;ue automatIC 1.,'Insmlss,on IInk:'lue
Rcar axle (C/MplCt 8) Check 011 level
Bli/king system (Chaplet 9) Check v,lcuun' hose
llliJllc:'l1C Ihe handhlake Imk,loe
Suspensioll {//j(J swelill!J (C&#34;.1plt~( 10) Check condItIon and hlllSlon o f POWI.II ~I!&#39;tllllli dllvthtl1 (II .1l1pllcal,
Check MlspenSlon 101 we;" ;111(1 d;1Il1.1!)e
Bodywork ,1I)d fillings (Clwpler 11) Check opera lion of all locks Check secu.ity 01 dOOf check sl.aps
LlIl)fIcalC locks. door c heck S\','P5 :'Ind fuel fdler cap flap
Check underbody pr olCctive coalm!)
Electrical system (Chapter 12) Check Opcra1l0n of all eleC111!:al IIcm5
Evcry 2<1 000 llIiles (40000 kill) or 2 yc;u s -\Nhichever comes firsl
III ,1(/111/'011 10 the 12000 111"'1 $d&#39;~&#39;f/u/e
[nyino (CIWpICf 1) f!ell'!W crankC:l $e e""5510l1 v;llve
Cooling syslofll (Clwptor 2) Renew COO!:1II1
Fllel SYS(CIII (Ch, '/pliJr 3) Renew"" II Ih!r elemenl
TrallsmissiOIl (ClwjJWr 6) AdjUSI aulom;1\IC trall5nll5SIOll h,ake b;'IIld
Every 36000 miles (60000 kill) o r 3 yenrs - whichever comes first
III .1(/{/I('01l 10 Illc JJIl'VlOUS schc(/ulcs (",lIc" JJJIJ"ci,bfc)
Brakillg system (Clwpter 9) Renew hyd,auhc flUId
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T
Fault diagnosis 21
Starter motor ((/rns cngino slowly Parti ali V disch~rilcd b<ltlcry (rClch"'!le. usc Jump INlds. or push
sian) Ballerv terminals loosc or COli oded Batte.v earlh 10 body delcctrvc Enuine ear th s tr,1p loose Slarle. motor (or solenoid) wiling loose Slaricr mOlr ill1crnlll laull (see Chaple. 12)
Engine ((/"'S normally but 1,1ils ( 0 SIMI Damp or dirlV HT !eads <lnd dlS1"h\l10r CllP (cr<lnk cngine and
check 10 ' sp<l.k) DirlV or inco.rClCtly g;1ppe(1 .1I51"h(lIOf pomls (If nppllc<lblu) No fuel In wnk (chcck 10' dchvclY .11 C;1dJU.etlor) EKceSsive chokc (hOI cn\JlIlc) O. II1su l!,clenl choke (cold CI\\)Il1c) Fouled or incorrCCtly \lapped ~pnlk p1l'\lS ('1I1I10ve. clean .11)(1
regnp) Olher ignilion syslcml",,11 (~ee Chapler II) Olhel luel sySlem 11Ildl (se c Ch"plm J) POOl compression MaJOf mechanic;1 1 l<l,hlle (ell c~lIllsh.11t \I',;1r ICClh sl"ppc<l)
Ellgine lires but will not fUll In su!hcicnl choke (cold flfl!)lIln) Arr le"ks al CilrUurC110. 0' mlill m;1",lolli FuClI sta,vatlon (sec Ch"111C' 3) []"lIast rCSIStor de!ecllvn. or OIlier 'H",II<HI f,lIlll {s.~e CIl;1""" ill
Engine ClltS Ollt ;1nd wilinOI roslinl
fngine culS out suddenly -ignition I,wlt Loose or d'$Conncetcd l T wi.es WCI HT Icads o. d'S I"buiOI C;1P ("lIer tr;1VC'SOll!) w;1'er spl;1sh) Co,1 o . condenser lallulc (cheek 10' SI);lIk) Olhc. ignition laull (see Ch,'plfll 4)
Eflgine mistires belore CUlling oul IlIcll,wlt Fuel I,,"k Cillply Fllel pump dClfecl1vc o. 1,ltcl IIlo .; k(H! (dwck 1m dellvl"V) Fuel tank hllcr vcnl blut;kcd (StII; llon Will II" flV,{Io"'1 Oil lI~h&#34;&#39;~II&#39;H C,11l) C;1llJulCIIor nccdlc v"lvc SIII;klll!J (WIU.'1I1 "ppI1c"hle) C,1lUwellor leiS blocked (ha:l COIII,lIl1ln,Hcll) Othcr lllcl sys!Cm l<lult (sec Ch~,II<!I 3)
DISCHARGED
BATTERY
lSin.MIN
POSITIVE
JUfl11) Slart lead conneClions f o r neg!Hive earth vchicles­connect le;1ds in orde r shown
fllgine euls Ol1t -olhor eimses SCIiOliS ovcrhC~ling Mnior mcch<lnic,,1 !<lilUIC (elJ cmllshMt drive)
Engine ovcrhe<Hs
Igllitioll (llo-clwrgcj wt1fllillg IigM illuminated SI;1ck o. broken d"vchelt felCn$IOIl 0' Icncw (Ch;1ptr,r 21
Ignitioll warning light /lot illuminBted Coollllll loss .Iuc 10 In!emnl 01 CXierr'JI ICJk<lile (sce Ch"PICI 2) TlIClmO~I<ll "clecllve l.ow 011 leve! fj.,lkcs hllldlll'J R;1(1"llor clomJcd cXifllllJlly or IlIICIIl<lIlV EnU"'e W<ltclw~ys cIO!JUC(1 'Un'h{)Il !IInll'!) Incorrcct or <lIIIom"IIC .1<1V;IIICC nl.lllllIlCI,OIIll'!j MIxture 100 we,lk
NOIC: Do 1101 ,11M coM WMCf 10 ,111 oV~-f/&#34;&#39;.I(C(1 ~·lIy&#34;&#39;., Of d,,,",l[Jf1 m,ly I/)SII/I
l.ow cnuinc oil JlfC!ssuro
G,wge reads low or warning lighl Illuminated wilh engillc
rWllling Olllcvcl low or mCOlfeel 0.,,<10 Deit.'Ctivc gllU!jC 01 sendCI 11111 Wife 10 sendCI UIII' C.1I.hC(1 Engonc ove.hC.1l ing O,lllllcr CIO!19c<1 01 byp,1SS v;1lvc delccllvc O,I ,llcssule lehef v'llve dc!ec tlve Oil pick-up strllll,e. ciomled 0,1 pUIllP WOIil or IllOlllllll1\l~ I\,osc Wo,n Ill,l'" 0' h'!J-cn(i hC.1I1I1!)s NOlO: Luw or! 1"t'HlifU III a IImh III&#34;C&#34;f1~&#34; (.'IIYIIIC .J/ 11l;~()VI.&#39;r I.~ 1101 1II.'I:<.'",.","/y,1 (.",lIlSV {o, CIIII{:"/U Suddel! fJf&#39;~SS!lle {U$S ,11 SlIced IS {M "'/!IC SI{Jl!lflca"l (I! ,my cve/l/. .:In',·j. I/le .<I,U/ye or ...... l/lllllyl,yIJ/ S(1/1(h'f /)<.'/VIC cIJfI.h·flllm,y 1/1<.' C/I!l1IJ1!
Crank engine and chock for Sl)ark. Note use of il)sulated tool 10 hold plug load
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Chapte r 3 Fu el an d exhau st systems 79
Ii
0) G
\E )
' .. ~ ee)
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
., '
,. ,
< &#39;(:,,~ , • . . ;::~t,·· . , ,
.' ) . ;~ ~~;:;: ~iJ&#34; .. ,
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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procarmanuals.com

Chapter 4 Ignition system
Contents
"'ondcnsc! (30 Iotre cnUIIlC) teslI llU . removal and rc h1!ln g .... 5 '"tact b.ellkc . POIllIS (3 .0 litre CIlUIIlC) ,lI 11us1mC lll 3 ConlilC ! brCi.ke< POintS (30 lIue cnumc) -Hlllloval fllIIl rclr ninH . " f&#34; &#39;~lnb\llo, (1111 CIl\ Ji llCS) lema",,1 .lIlt! .cll1l1n\) (j nhlllOr (28 lilre Cilomo) -overhalll.. 8 D,stributor (30 h\le cnuinc) overhaul . 7 Faull diagnos is -iUm\loll system. 12
S rICcificin ion s
System ty pe
3.0 lit.e engine 2.8 litre engine
Convent ional ignition
Distributor
ROIDlion Condense, cnp<lcity Cont<lC' blenker U<lP Dwell .1llule . HT lend res.s t""ce .. FIIIIlU orde.
Iqnition timing
c 1 !H6 model yC<l' 1976 model ye.1. onw<l.ds
Jil
I',im<lry ,eSI~\<lnce Second<l.y &#39;C~lst<lIlCe
Spark plugs
Type Elect. ode U<l$> .
8reaker/ess igllilion
Distributor
Rotation .. HT lead rCSlstn llCe .
Firing order
Ignition timing
Coil
Primary rcs,sWnce
Secondary resis lan ce ............... .
Spark plugs
Type Electrode {jap .
,1/ systems
Torque w rench settings SpD,k p lugs (3.0 litl(l CIl!JUlC) SPD,k plug s (2 8 hl,e engine)
Geller,11 dCSCfll>, ioll 19r1lllon tnnphlicr Inodule (2 8 hire engine) -. emov,l l and 'Ch1tmO ... ......... .............. . IUrlltlon timinlJ -ndJuslmcnl . flOulUl!) Ill;untenancc . Spark plugs -rem Oval, servicing an d .cl'!lu \g ,
ConvcmiOllill. with cantilCl tu cilke. Br eake rlcss. clCCltOnic
Clockwbe 0 2110025 mid
0 .61 mm (002510) 36" t o <10 · 30000 ohm mOlX"U,uU 1 <1 2 5 3 6
10"' B1 DC 11\· BTDC
0!l5 10 1.60 ohm 50001 0 !l300 o h m
M ot
o,,,,,lt AGR 22 o. Ch;lIllp lon RN 9Y C 060 IlHIl (0024 in)
Cl ockw,se 30000 ohm Il1<lXII11l"11 1- 4 2 5-3 6
12 *
BTOC
0 .
75100.85 o hm 5000 to 6000 ohm
Moto"ra" Super AGR O .GO mill (0024 in)
N rn 30 to GO 25 to 38
22C 0' ChJlllplon RN 7YC
Ibl It 22 to 30 1 8 to 28
10
9
2 11
procarmanuals.com

Q
Chapte r 4 Ignition system
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Fig. 4 .1 Diagwll1 of the hre(lkerlcs5 ignition syslem on the 2 .a litre engine (Sec 1 )
A higgcf ",,(I stiltor ,1(111$ 8 Am/Jlt/icf modufe C Iylll/ion SWJ/i:lr o BMI£'fY E 'm:lmJIIl"/l:f F COIl G D is/nUll/a , c.-,/! H Ho/or .11111 J 5p,1fK, IJ/ug K 'fi''l)CI co,1
Gcneral de:;criptio n
To ;l(; h.cvc OP\I"'U'" pCl lo.mancc hom an CIl(lUlC ;\Old In mCCI ~1&#34;&#34;\JCUt e.h,1u~t C""5s"m r .. '<tu"cments. 1 rS css"m.althat the I"el/a" rtllxh"C 101 thc ,;on,hUS\IOli .; h;,,,,I,, ). I~ 1\J,ule'll ill ".:II :ttV the "\Jhl I,,'U, wlill'YC to enlJ"lc ~pCe&#39;l ;.nd 10ild The 1\l'lIt,on svsto'" .,.ovilies the
- '),uk nece ss1Hv to start thc: Illlxlu<c I>1I1I""!1 ;md the In~t;&#34;l\ ill wh'ch ,union occurs IS Y;lrI"d auwnJ.1tlC;lllv as ""\line Opet(lt'U g cOl1llot'I)I1 $ d';1r1ge The ''In,tlon systc)t1I COIIS '5 15 01 a PWll;IIV (low tc n slon) CUClnt ill"t J ondarv (1I1g11 tens,on) Cirelnl. Wlwl I he '\lnI\IOIl IS SWltchlid on. CUlrellt IS fe d 10 Ihe coil p r;111;uv wirl(hllUS nnd i1 IIHl\l11Ctic f,p.ld IS cst~lbhshC(1 At Ihe r equired 1)0"11 o r 101l1\10n. the pri"':Irv CItCl/lt IS Ifl tcrruptClluV the conlnct hfenker POUlIS OllCflmg (3 .0 hire e"gI01(I) or the \l'g\le. tJrfllpasslt'g the s tator ;11111 (2 8lrt,e enUn .e) The milunCIiC
f 'eld collilpscs :Ind il 5tlCOndntV hi~h YOIIIl~~ In 'nduced i n the se~ond,1rv win(lin\!s. This HT volt:lUc IS te d via th e d'SH ,IJUtor rOIOI :Iun
1 0 the lelevllllt spnrk plu~. Alter dcllvenng the spar k the pmnnrv cirC Uli
I S re-energised lind the cvcle .s rep-Cillcd. The igni tion t iminu '5 Controlled centro lugllllV JnO UV II vacuum IHl II t o compensme lor englflC speed ,1no 10lld On Ihe 3.0 litre enginc the i~l1;lion s y Stelll II1corporales a b,1ita $1
resistor wire which effcctively UOOSIS th e HT volw~e durlllg SHul,ng.
2 Routine m aintenance
At Ihe in tervals speCIfied in tl w Rouline Ma;ntenance section in the fran I of the nl;Jnua l cJrrV out the foll owmg proc edures .
Clean and adjust Ihe spark plugs. or renew Ihem 1 Refer to Sec tion 11.
Clean ofld chec k fhe distribulor cop. rolor. NT leads illlr/
t. Re lease the twO chI'S securmg Ihe (h Slllbu101 cap 10 Ihe d'5111l1utor uodV and I, ft away t he ca l) . ereJn Ihl;l C:lP inside and oul wilh a dtv
---we F
Fig. 4 .2 (J"II(ls t resistor wire locilted on tho left·h'Hld side of the ongino compartment -urrowed (Sec 1)
clO lh . Closely inspec t the ",side of thc cap and the si. segments. It there are any siUns of Cr<1Ckulg 01 ,f the segmentS are bumcd o. scorl;ld e~cessivelv the Cal) will h ave to be renewed.
3 Also Check Ihe cenlrc segment (3.0 htr a en\]ine) or carbon brush (2.8 IIlre engine) f or wailr. 4 Remove the rOIOI arm i1nd check 1110 ' cra ck ing and burning of the melal scgmem (pholo). On the 2.8 h ire en gin e check tM Sp<ing· tensioned cngine spee d limiter incorp-ori1led in the lOlor illlll for tr ee movement (phoIO) . On trw 3.0 litte cngme c h ec k Ihat the HT conductor spting on the rotor arm has sulficienllension to contactlhe centle segment in Ihe C(lp.
S W'th Ihe . o to r aIR. removed. lub.icate the felt pad in the Centr e of the distfluutor sh ah wilh twO drops o f enyine oil. 6 Rel;lthe rOtor arm and dt$Uluutor cap (photo).
d
procarmanuals.com

) Chapter 4 Ignition system 89
2,4A ncmovllI\J the ' 010' rum (28 hire enuino) 2413 The engine speed tllnnel 011 tho ,oto. :lIm (2_8 litre ename) 26 Secul;nn lhe dl surUlllor cap wilh Ihe sp.;ng clops (2.8 "lie engme) A Swing C fail/lillY COIlf.lCt n MQving CQII/act
27 ChcckUl!J Ihe HT tcad le.min;!ls on the (hSlllhutOf 1:.111 2 .8 11I"iliol1 COlt and WlIlIl!! 4 .2 Remov,ng I he COlllaCI h.eilke. low lenS 'OIl le,lds
7 W"H) o;iean the HT Itlad,; llm! check Ihc'" 10' (;onll'[IOI1 Pull the 1(';'Ids homlh!) dl~l&#34;h&#34;10f Cilll one;H <IlOilO ;)IId 'Hake SUIC th"III O wmcr IlilS 10llnd 115 w.1y 11110 the so~k CI tI.!II'Hrl"ls . Clo1l1l <lny I:I>IIOSiOIl "W,IY . Ien .eln the IC!1ds (I)hoto). 8 Glc,," Ihu '!jll'l,on cOIl lowe. ;md check the HT le,,(1 ;IS p.eYiously . ,scJllled (photo)
Check .1nd Mljus( (h£! cont<1c t brc<1ker dwell "flyle (3.0 fi/re
engillt!) !l Ruler to S<lClion 3
Check arid adjllst Ihe ignilion timing 10 Rcler to SectIon 9 .
Reflew /lit.' conl,1CI breaker points 11 Reier to Secuon 4 .
3 CO I1\aet ureaker points (3.0 litr e er>gine) -adjustment
1 Remove thO dis touutor cap and ro tor afln (Sect ion 2) 2 Gentlv I)rrse Ihe contact ureaker points open and e~an\ine the conditIon of Iherr faces. II they are .ough. pined o. dlfty II WIll ue IlCCeSSi\'y 101 new paIn IS to be fined. 3 If Ihe pOInts ale sallSfaclory. Or have been ,enewed. measu.e the gap Uel ..... een the points with feele . gauges. by turning Ihe Clankshaft unlll I',e heel 01 Ihe ureake. arm is on a high poinl of Ihe C<lI11 . Consult the Specd,cnl;ons al Ihe uon;nning 01 th is Chapter 101 ttm correc t sOll;ng
I If Ihe gal) IS IIlcorrCCl, slacken Ihe contact plale SOCuflllg screw(s). , le n "lserl a soewd"ve. ;nlO the sial p.ovided al Ihe edge of Ihe COntaCI ptalH and move the plate unlli lhe gap is corrcc\.
5 Tlghlen Ihe sClew(s) and .echeck Ih e gap.
6 Rein the .010. ;"1IU1 ensurIng th,lt II IS cOflectly located In the sial at
I he lOp 01 the carn Relltlho d'SI"lJuIO' CilP and .elain III IIOS;llon wnh Ihe Iwo clIps . 7 On 1110de.n el1gll'os a mo.e ,1CCu'ale mel hod 01 seHIIlg Ihe I>o;nts Hal) .s by means o f a dwell me lel . NOI only docs 111110 l11elhod give a
IHL'Cisc 1)0 .. 115 gap I)UIII also evens oul ally v,llta llons 111 Un,) cnused by wear "' I he dlst"'lUtor sh ah 01 uushes 0' dlHCf()nce s HI any 01 the heIgh ts 01 Ihe Cil'" peilks 8 The dwell allU1c IS Ihe numt)C. 01 deglee s th, ounh winch Ihe
dIstributor cam lUI liS dUring the IlCrlod betweell Ihe ",S\ilIlIS 01 closu<e and oJlcnmu of Ihe conI act b.e,lker ponlls It Cilll only be r.hech~d wllh
a dwell mele' connecled III aCcor d,lnce wllh lh. } maker's II'Slfl.r.;I'OIlS 9 II Iho angle IS nOI as gIven 111 the Spe<:.hcatl ons. ildluS t the po",ts u~p If the dwell annie's 100 ,,,'ge ,ncrease Ihc IJO'''15 9,111. II th e dwell [lI1gle ;s too small . 'educe Ihe points Uap
4 Conlilct hre[l ke r points (J.O litre engine) -removal and refitting
Remove the d'SlflbutOi C"P and 'OlOr arm (Secl;on 2) . 2 Slacken th e self·tappiu\J sc.ew which secllres the condense. illld low lension lead s 10 the conl,lel ureake. ilssembly ilnd slide oul lhe fo.ked cable telfllll,al;OnS (phOIO). 3 Undo and .emovc Ihe Iwo screws whIch secu.e the contact b.eake' uase pll'Ie 10 thO d'SlflbulOr ilfld hit off the cUlltact b.eaker assembly
(phOIO) .
4 Befo.e IClilling the conlact b.eake. assemhly. smear Iho dlstrluu to . cam wllh a trace 01 g.ease 5 FIt I he conlaC I 1)I(,ake' and its cl,Jlnping sr.;.ew~. but do nOI fully I;ghten the sc.ews \lnlll Iho contilC I b.eake. !I,111 h;IS u een adlusled as descflbed In Sec tion 3
6 R ell l th e rotor "fin and d.stflhuw. cal ). &#34;&#34;&#39;1I&#34;&#39;~1 tI,e IWO clops 10 secure lhe cap.
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procarmanuals.com

90 ) Chapter 4 Ignition sys tem
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<1 3 Contact hlcnkc. mOUIlJrrlO ~CH)WS (,lrrowcd) 63 Dlsconncclinu the V<lClJlHll .1dvllllcC p'pe G.4 OlsconneClill\) Ihe eallh lend
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65 Pull tile wires 10 rhSCOlll1CCl the mull"I)I.,\) COlll1eClor 6.6 flOIO. arm al;\jncd with the slOI on t he d,strlhutor hrnly rim (allowed) 6 .7 C'ilnkshall polley nOlch and Imling covel gr,1(lahOn (28 hIre cn!l'ne)
5 Condenser (3.0 l itrf~ rnllJillo) -testing. removal (lnd rcf ittinu
The PU'I'OSI) 01 tilt) ccmd"",.er (sorllclull(!S know .15 .1 capacItor) IS ensure lh.1I wli,m II", ',()IIi."; ( I!UJakcr POUllS open thew IS no ~po1&#39;~&#34;&#34;1 a~Hl&#34;S ilWlll whIch would C,llIlie ,ap,d weill 011hcu r .. ees ilnd
'!I'Il' ",slue 2 The CUIHIUIlSt" .s hUed !II I>luallel wnh the conlJCI h,e;)kc. points. II '1 becomes r""lly, ,1 w,lI C;II,,'" 'IJ'''IIOI' fa,lure ,15 the conlilCl hreaker 1'011115 1'0',11 he pH)VI!fIl,:ti hom cOllcclly 1Il1elfurlcmu che low ccnsion qrCIIIL 3 II Ihe en!)'lIe becomes very dlHlcul1 co SWrl 01 begins to I11ISS afrer
severill null'S of I lInl1l11\l . and che I)lcilker poinls show signs 01 e l\ceSSlve blllllllll/. Chen chI) condlu o n of Ihe condenser muSI be suspecI One f".ther !C:.t can II" milde hy sepa,ahl1U che points by hilnd wilh the ,umtlon 5WIICtl(:(1 on IItl"5 IS ilCCOoul),,"Il1led by a mighl trash. II IS ,ndu;:allve Ih .... 1 the comlcuscr has I0111cd <I Wiltrout special teSI C<IUlI)lIlc"t the only safe Wily to dl .... Unose condenser 1I0ulJle.s 10 • ..,pll .C" .... suspect 111111 wuh a new one .... nd noCe II Ihe,e is ,my II"p,ovem..,,\I 5 To remove the conden:.cr from Ihe dlSlllbulor take off the (1ISllll)ulo, Cl(1) 1IIld 1010r ;um 6 Slilcken Ihe sel f 'larmll1!) S(:ICw holding Ille condense, IC,ld and low !ension ICild 10 Ihe COIIWo.llul!l,kel I)OU1IS. Shde oullhe forked lerminal on Ihe en(1 of Ihe COf1(lense . lel1d Undo and remove the condense, .el11l1linU screw ;md remove II,e condenser f.om Ihe breaker plille. 7 To rehtlhe condense" s1Illply ,everse the orde, of removaL
6 D istributor (illi en\)ines) -rcmoval and relittin\)
1 k ,1pphcablo II.HlH>VU the 1111 ele,me" ilS descllbed in Chapler 3
2 Remove Ihl! dl ~l&#34;bulo&#39; C;Ij> only (SeClion 2) 3 D,sconlle\:t Ill.., V<oCU\1I1I .. lIvi'lllce pipe (pholO).
4 Whelu l1ppllcnblu dl:;col1l1ecl Ihe eilrlll 1t.!.1(1 hOIll Ihe lerl11ll1nl 011 the d1SI"h11101 budy (pholo) 5 D'scol1l1eCllh(l (h$lrrlJulO, lllulll·plul) COUllcctO'. To dlsconneCllhe plu!!. the w .. ('s IllUSI ho hold and pulled, nOI Ihe plu\) Ilself (pholo). G 'Turn Ihe un\)ine unlrllhe rotor n.m IS poinlrno 10 Ihe No 1 cyhnder SCIJlllun l In the d'SI"hUlor cap. On lalCr models Ihls IS 111so IndiCilied by [I slol on Ihe (I,sl"I)(O(o' hody rml (phOIO) 1 Check also Ihilllho nOlc h m Ihe Cr;lI1kshah polley is III hoe wllh Ihe com,c( '''[llk on Ihe tilllin\) cover (photo) On (llu 30 ht.e eng me Ihe Illinks arc III 2" Inte.v.l ls. hUI on Ihe 28 Ilire enU"le Ihey are on 3' tIllelVals Sec Ihe Speclhcallons fo. the correCI SClllng. Milrk Ihe IIOS'llon of Ihe d'SI"uutor body .n ,el[llion 10 Ihe cyhnder head 8 Bemove Ihe Single holl ill Ihe baso of Ihe d'StrIUUIOI ilnd slowly hI! out Ihe d'SlllhulOf wlthoul IUlilillg its body As lhe dislllbulO' ,s removo.'{llhe skew geM will turn the rOIO, arm clockWIse. Ml1,k Ihe new IlOSlllon of Ihe rOlO' aim on the , .. n Illhe.e IS nOI illreildy a mink Ihe.e (pholos) 9 To reilithe dlstlluutor ensu,e thaI the liming milrks ilre Slill ahgned ilS deta,led rrllJarag'ilph 7 of Ihls Sec lion. Hold the diSlrib Ulor ove' the cylrndc. hel1d so Ihal the hody 10 Ihe cyllnde. head milrks are in alrgnmenl 10 POSlllon the 'Olor arm towiI,ds Ihe mluk on Ihe d,S trrbulol body ilnd slide Ihe assembly inlO l)Osition on tha engine As Ihe geJrs mesh. the ro lor WllllUtI1 ilnd align wllh No 1 segmenl in Iha dlSlrrbulor cap.
1 1 Relit the securing bolt 10 the bnse of Iha dlSlrrbulor bUI do nOt fully Ilghlen ;IllhlS Slage. 12 Check 11I11t on Ihe 3.0 hlr a engme the dlstrlbulo, VJcuum unil is lilcing fo,wilrds. parilliellO the centrO line of Ihe el1\)ine. or on Ihe 2.8 lil,e engine Ihe VilCUIIIll unil is lacing in Ihe duection shown in F ig. 4 .4 . 13 Reconnect Ihe IllUlli·plu\) conneClor. The manlJf~Clurers recom· mend Illill Ihe Illulli·plu!) is 'illed wilh il lilhium hased grease. 14 fleconneCllllu earlh lead (it applicable) and t he vJCUUm advance pipe. 15 Reier 10 Section 9 and se l Ihe 'gnition IlmlllO. 16 Refll Ihe all cleane. (if applicable).
procarmanuals.com

Monsurin g plug gnp . gaugo ;;:;;;-;;;"",,',,"," ignition sysICm spccilicalions) should have a sliUht 'drag' when slid between the olocuuch~s. Adjust {[liP if necessary
N orm al. r, dcpo~il~.liUlolly coaled corc nose. increasing by around 0.00 1 in (0.025 mm) pc, 1000 miles (1600 km). Plugs ideally suited to en\j ine. "nd engine in good
condition
Oil fouting. Wet. oily dr~pOl;its. cal,se eventually misfirc. Fllult : wmn bores/ilision 'ingSOf valve guidcs: sometimes OCC"'!! (temj.lO'Hrilyl d .. ring lunning-in
poriOd. Plug~ C()I1 IJ() H! u~ecl "ftc. thorouUh cleaning
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in Electrode demoge. ;;;;,:;;;;;;;:;;;~;~;&#39;;::;;i ;;,,, ",,;; h;,
bumed, glazed appearance. Fa ult: pre')gnohon Check: as 101 'Overheating' bllt may be more sovero. Discard plugs ar1d rornedy fault belorc piston or v31vc d~&#34;,age occurs
.'
.. ", . ~,&#39;&#39;&#39;&#39;:c.&#34; ~~:~~~~~~::i, Adjusting plug gap. Tlu, plug gap is, 03rth electrode inwards, or oulwards, as I correct clearance is uillaim!d. NOlO II,,! use 01 tho COlfcct tool
spark ami I I' Chock: cMhulOllor , • sellings, 1I0al level ,lIld iot siles; c hoke (lJlOla lion .mel cltlanli n()ss 01 ai, fillel. Plugs can bo rc­usod <Ifter cle<lning
:"1 Overhoating EI()cuud'ls h,lVO \Jlilwd ~ppcaf3nce, CO'O noso vely while lew dello~iIS. f;I!I't Ilh,O uvelheatinu. Chec k: plug
vlJlue, iunitiun limill H. I"clu t;lillle I1Itillu (tOO lowl <Ind luel
mixture lWQ w('ak). DisC<lrd ,,(\I!lS and cure la ult immedi~toly
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i Split cor o noso (mny npllollI i 8 crBck). Damage is
sel f.evide nt, bUI cruc ks will only showalter cloaning. Faul t: pre­ignition 01 wrOIl!) !)ap settin!) technique. Check : ignition liming,
cooling SYStCIl1. 1",,1 O C t;"" .. r alin!) (too low) and fuel mixlure lton woak) . Discilld "Iu!)s. ",Clllv laul t immediately
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