1974 FORD CAPRI light
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General repair procedures
Whenever scrvie,,,U. repair or overhaul work ,$ c;nric
Joinl mating ftlces ,7l1d gaskets Where 1'1 gasket IS lIsed tmlwl:CIl the ",,,,ill\1 [
Make SUfi) lh,,[ tnppcd holes nrc ciedncd WIth il pI pc clcilncr, and kcep thcm flcc 01 101l1llng compound If tillS IS helll\) used unless
speCIfIcally Instructed otherWIse Ensure that "II ollfrtes. (:hannels 0 1 pIpes ,lie Clt'ill ilnd blow thlough Ihelll. p,eleriluly llsing compressed ill(
ai/ seal s
Wheneve, nn od sCill is removed flom its wOlkll1\1 10Ciliion, eIther mdlvidu"lly or "s p"rt of iln assemhly, It should be lencwcd The very finc sc"lIng IIp of the sei'll IS e"slly dama\Jcd and WIll not seal If the surface it COI11<1(:15 IS not completely c lean and free frOlll
SCHl\ches, nicks 0' grooves. If the o'iginal scaling surfi'lce of the COlnponern cannOI he restorCd, Ihe component shoul d he renewed, PrOlect lhe lips of the scal from any surlace which mi'lY damage them in the course of fmlng. Usc wpe or a conical sleeve where POSSIble, LUb ricate the senl lips WIth 011 befole fruing and, on dual lipped se"ls, fill the space be twcen the hps With grease. Unless otherwise stated. all seills must be hlled with then sealing hps toward the lubricilrH to he seillcd Use iI\ubuli'l' <111ft 01 block 01 wood 01 the npploprime sIze to II1sta ll
) I he scal ilnd, lithe sCi,1 housing IS ~houldeleu. drive the seill down to the shoulue,. If the scal hOUSIng is unshouldcred, the seal Should be fItted with its lace flush W ith the hou$lIlg top face,
Screw IhrCiU/s and lasleoings Always cnsurc that a blind t"pped hole is completely free from orl. U
reilSe,
wilte, or other flUId hcfore instatllng the hott a' stud. Fililu'e 10 do tillS could C,luse thc housm\) to c"lck due to the hydrilulic <1ction of the bolt or slud ilS It IS sc,ewed '" When tluhtenlllU ,1 cilswllilled nut to ilCCCpt iI spht pin, tIghten the nut to the speCIfIed torque, whele ilpphcilh le, and then lIghten furthe, to the next split pin hole Ncver slilckenlhe nulla "lrgn a spirt pin hole unless ~t
SOllle Inswnces, where no a lterniltlve IS poss ible. II hilS been necessary 10 resort to the use of a manufilclurer"S tool and thIS has been done for reilsons of safety as well as Ihe eHlcien! completion of the repair
operation. Unless you are highly Skilled ilnd hilve a thorough unde,standlng of the procedure desc(lbed, neve, " tWlllpl to bypass the use of any specl,,1 tool when the procedure descrIbed specllies ils use, Not only IS I here a ve,y great risk of pe,sonal Injury, but expensive dillllage could be causJd 10 Ihe components involved
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Page 22 of 205
)
T
Fault diagnosis 21
Starter motor ((/rns cngino slowly Parti ali V disch~rilcd b
Engine ((/"'S normally but 1,1ils ( 0 SIMI Damp or dirlV HT !eads
Engine ClltS Ollt ;1nd wilinOI roslinl
fngine culS out suddenly -ignition I,wlt Loose or d'$Conncetcd l T wi.es WCI HT Icads o. d'S I"buiOI C;1P ("lIer tr;1VC'SOll!) w;1'er spl;1sh) Co,1 o . condenser lallulc (cheek 10' SI);lIk) Olhc. ignition laull (see Ch,'plfll 4)
Eflgine mistires belore CUlling oul IlIcll,wlt Fuel I,,"k Cillply Fllel pump dClfecl1vc o. 1,ltcl IIlo .; k(H! (dwck 1m dellvl"V) Fuel tank hllcr vcnl blut;kcd (StII; llon Will II" flV,{Io"'1 Oil lI~h"'~II'H C,11l) C;1llJulCIIor nccdlc v"lvc SIII;klll!J (WIU.'1I1 "ppI1c"hle) C,1lUwellor leiS blocked (ha:l COIII,lIl1ln,Hcll) Othcr lllcl sys!Cm l
BATTERY
lSin.MIN
POSITIVE
JUfl11) Slart lead conneClions f o r neg!Hive earth vchiclesconnect le;1ds in orde r shown
fllgine euls Ol1t -olhor eimses SCIiOliS ovcrhC~ling Mnior mcch
Ignitioll warning light /lot illuminBted Coollllll loss .Iuc 10 In!emnl 01 CXierr'JI ICJk
l.ow cnuinc oil JlfC!ssuro
G,wge reads low or warning lighl Illuminated wilh engillc
rWllling Olllcvcl low or mCOlfeel 0.,,<10 Deit.'Ctivc gllU!jC 01 sendCI 11111 Wife 10 sendCI UIII' C.1I.hC(1 Engonc ove.hC.1l ing O,lllllcr CIO!19c<1 01 byp,1SS v;1lvc delccllvc O,I ,llcssule lehef v'llve dc!ec tlve Oil pick-up strllll,e. ciomled 0,1 pUIllP WOIil or IllOlllllll1\l~ I\,osc Wo,n Ill,l'" 0' h'!J-cn(i hC.1I1I1!)s NOlO: Luw or! 1"t'HlifU III a IImh III"C"f1~" (.'IIYIIIC .J/ 11l;~()VI.'r I.~ 1101 1II.'I:<.'",.","/y,1 (.",lIlSV {o, CIIII{:"/U Suddel! fJf'~SS!lle {U$S ,11 SlIced IS {M "'/!IC SI{Jl!lflca"l (I! ,my cve/l/. .:In',·j. I/le .
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Page 36 of 205
o
Chapter 1 Engine 35
3 Examine the rocker shah ,md ,oc ker il,ms for we~r, II the rod", alill rl tha t conwcts the valve stem IS conSiderably worn. n,new the " ."'"nl I f it is worn shqhlly step-shnped it may be cleaned up wIth rOc e r ". . a fi ne oil stone. . , commencing Jalluary 1984. modolled ,oc ker shah sp"nOs have ~een fi n ed. Where wppet no,se IS evident 011 e~rlier models hl'lw",en e n g ine speeds of 1500 ,111d 2000 'p'll. the later type 01 SP,,,llIS nl.1Y he
I , n ed .
.
5 Od t he parts and reas~r)!llhle them on therr shahs III thO) n"lI,n;.1 or der With both rockel shafts f,tled the 001 holes must face downw.l,ds to th e cylindel heads Th.s po~"tlon IS lIl(hcated by a notch 011 Oil" "nd
lace of th e rocker shaft
13 Tappets and pushrod s - eXill11inalion 1It HI renova tion
I Examine the v
14 Can,shaft ilnd ciln ls h Hft b earings -cxmninatio n "" d
rCll ovntion
II there is excessIve WO),11 III lhe camsh;lft thp.y will h,lVl! t" lJ" lunc wed. As the 1'1lI1'11 ul '''"1'11 Iwarrll\lS w!(lI"es speel,lI [(",I, thl~ ~houtd be left 10 your 10c,, 1 FOI(! dealer. 2 The camshaft n1;IY show SI\II1S of wear Of) tlH! I)(:''''''!I 1""""'1s 00 C;In lobes. The main d(:elsloll to lake IS what de!)",,, "I I'll"," n ec e ssitaleS renewIng the camshaft. which IS e xpensIve S<:'H"'!IOI da",~ge to t he bearIng 10",()"ls cannO I he ren'OVNI hy ''''I,,,,,I'''!I. runew,)1 0 1 the camshnft IS the only so lutioll J The CJm lobes mny show SlUns of ridgIng or piltmg on Ill" I"U" poin ts . II ridging IS sllghl then It may be pOSSIble 10 rel\\OVC It woth "
lonc oil stone or emery clOlh. The cnm lobes. however. ;"" ~urf;It:e hau Jencd nnd once the h
,
15 Cylinde r heads -dismantling . renova tion and rCils sembly
Clenn the d "t nnd oil off the cylinder he
pl
.. ··'1:
. ,
•
,r· ' .
t5 2A Comp' ess the SP'Ii") woth II valvlJ
! ' Il "nU comp,esso, . 1
5 .2£1 thu" """ove the collets (n'il\l'lellC 15 2C. followe(1 by the ,elnmer
1520 ... an d valve SP"Il\!
p,ohe show,,)
t;. "" &' '
'('ii" " 18 ... ,,,
'" ' .
. '
15 2E RlInlov,nU nil 'nlel valve 15 2F Inltl valve (top) and cxhnust v<1lvU {bot 10m) COlllpo"ents
.. ----------------------------~, 灲潣慲浡湵慬献捯m
Page 48 of 205
Chapter 1 Engin e 47
--;; ble chec k ~II littings nnd elcct"cill connections. Ensu,e thnt the 2 .,",or is correctly lilted ilnd Ihil t Ihe IUnil,on tlmmg StJtlC Selllll\) 's distrlU
I CI , t II in doubt Ie el 10 1npler . eorr~~ ~10VO 1110 SPJlk plugs nnd the '- ' conneC lion from Ihe 1\)111110n 3 '1 Turn Ihe engine over on Ihe st~rler motor unlil Ihe 011 pres~!II{! co'· . light is e~til1gu,shed or unlIt 01' pres sure IS .ccorded on IIl{!
warnu"lg . d I This witt ensure Ihill Ihe engme ,s no l Slarve 0 0,1 dU"I1!11he g~~ge,. I,w minules running alte. IflIlJ.1t SI.:lrl·Up. The l uel syslulll W Ill ,,,toea . I· • be p!"iOled dunng IllS ope.atlon.
: SOReconne<:llhe '_ ' conneclion on the 'IIn'tlon co,1 and ,elll th e sp.:llk
lugs and loads .
Stilrl .Ihe ~ngme .. ~ AS soon as Ihe engme Ilfes and .uns. keel) ,t gOll1g ill il lilst \lckov(;.
nl (no las te,) and bring it up 10 nOlll1nl wo.kong ICmpernturc ~ ~s the engine WilflllS up there WIll lie (){I(I smelts nnd SOfll~ "mol Il
hom pariS getting hOI and uUI.l1Ing olf all (leposIl5. The Signs IU luok
10' arc l eilks 01 w
exact gos liUht position unlil lhe w:1I1l11h ;oml vlh!al'On hiwU ;I(;t,," on Ihem, and il is almos t CllrWU1 th.11 th(ly WIlt ncrHI I'Hhw1l1l1H hllth". Tills should be done. of course. wllh Ihe C"( ,,nc slopped 7 When nOrmal running lefllJ}Coallll e hilS hecn .cnch",
I' !.tilled as a new engine and run IIl.1t.1 .cducc(1 spcud tor Ih~ IUS I 1000 miles (1600 km).
PART B: 3.0 LITRE ENG INE
39 Gener;!1 description
ThC !lcne'il' conl,uu'illion 0 1 the 3 0 hue enuine is sil11l'nr 10 the 2 8
( \:\.~ ,..d r •• -~~ .. ; ~
389 Recloeck,,'u Ihe Iluhlness 0 1 Ihe cyhnder head bolts afte. ,,,,,.loIlU lhe enu")e fOf 20 'I1In ul('"5
hire nllu""1 d(:~c"hed III Sec(,on 1. Thc Slunillcan t dltferences iI.e .1S follows
(i') FI,'I •. yllll(/vr ht',1(/$ ",'III the combustion cl.,1mba,s itl lila I".~I()IIS (b) Imhvr(/",llly IIIOUlIlCd rOC~t'f ,Jrms illstead of a lockct sitaft (c) W"lvr pump 10C,11cd 011 Ihe ,i!llu of the allgine ((f) DiSlfllmto' ,WI/ orf ,,"1/11' (I,ivell f,om thc front of thc c,lrmllllft (e) ML'ch,mic.1llllcl,Jl/flfP ollcfMed by ,1f1 ccccntric on tllC frolll vllhc c,lmshMt (f) /rr.';" (Ill sC;llloCMCII '" ,1 S':l'olfall: c,ltric, (y) OJ! trltvr IOt';llvl/ on tlw "I}fI1 lef(-h,mrf sidc (If tlw clI{Jlln'
Fig. 1.9 Sectional view o f tho 3.0 litre engine ( Sec 39)
i
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~ .... ------------------------------.. ~; 灲潣慲浡湵慬献捯m
Page 56 of 205
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
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
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
)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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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
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
Note: lile pfOccc/
.l.I. .... , •• ,. ••. • .. .• . ,,~ ......... , •• , •• .;..,.: .•• ' •.•••• 1 . ;."
.,.', .,1,,/. 1,,' .. 1 . .. . , 1.,.: .. 1,.1.1,.1 .•. : ...
J
Fig. 3.1 4 F loat level adjustment t
.------
./ /' (
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 80 of 205
)
Chapte r 3 Fu el an d exhau st systems 79
Ii
0) G
\E )
' .. ~ ee)
Fig. 3.33 Fuel injuctiOIl system circuit di
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
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
AI the IntelV
,. ,
< '(:,,~ , • . . ;::~t,·· . , ,
.' ) . ;~ ~~;:;: ~iJ" .. ,
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
Renew the air filter element 7 Disconnect the h
-
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I t, ' .
;
!
" , ' .• I
! 1 I'
: 1'1 1 . ,
I
I '
I
procarmanuals.com
Page 85 of 205
~9.1D Tn~ Inrel m
-'. I.: .,
I
:
29 2A Unscre w Ihe holts ...
) "Ig 3.361n101 m
,
29 1 E Se,~hn!J !;oIllJ)ound locJlIon 1l"IOIc fo1lU1!J the O,ls~"t
,
292B . ;md rClilOve the outlet elbow alld WllPlll·Up rcuu l,1\or mOunt",\) Ilr;1Gk..,t
293 TlulllcnUl!) tho IIIle l mnn "old IHIIS nnd botls
,
d
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