1974 FORD CAPRI ECU

) 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 3 UnscI!;w the contlC hoi! ""d remove the cover. 1 Remove the three SCfClWS. dewell the housing 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 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 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 11 Weber carbur e l tor automnt ic choke -adjustment
Note: lile pfOccc/ bccn rcmoved 1 D 'scOllncct Ihe bn(lcty canh lead . 2 Rcmove the illf cleaner. ilS deSCribed in Seclion 3.
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.,.', .,1,,/. 1,,' .. 1 . .. . , 1.,.: .. 1,.1.1,.1 .•. : ...
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Fig. 3.1 4 F loat level adjustment t Fit!. 3.15 Automatic choke housing re taining screws­ilrrowed (Sec 10)
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Fig.
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3 .16 Automatic c hoke h ousing alignment (Sec 10)
A Rich c B Normal scl/lllg
marks
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74 Chapter 3 Fuel and exhaust systems
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Fig. 3 .23 F el ' onenlS (Sec 13)
A
" C
Se.ll Ruhbcl ill,W/,lIQI S SI!IIIJ..'f lIoil
14 Fuel lank -cronning DrHI rcpl1ir
D SImps E , COllflcetiu"
W,lh IlI1m 11 I~ likely Ihal scd'lllcnl .... .11 COIiC(;1 1f1 the IJOIiUlIl u l the ruel wnk. Con 15 Fuct lank sender unil _ remov;11 nlld refilliny
Check Ihe h01l1 whL'{)ls Ihen J;lc k ufllhe le;lr of Ihe 17;11 ;'Ind supporl ,1 ilxle sr,llids . 2 SYI/hon Ihe fllel hom Ih e tllcllim k. Wherc ;lpphcilhle d,scol,,'ecl Ihe fuel line hOIll the scnder unll.
" Discormoci Ihe wiring 5 USlllljlWO SC!(lw(i!lvers III Ihe 51015 inlhe sendcr unit ,e lirmlng 1111\1. unsr;'ew Ih o sender (mil loom Ihe tucllilnk Lilt ilW;lY Ihe scaling ling iln d Ihe sender unit. nO llng Ihill Ihe 110.11 must hilng downw;'IrrJs. G Re fill ing is a rever snl of .e moval . bUI clea n lile milling !;lces ;'Inel I II ;'I new sealing ring .
1 6
Fuel lank filler pipe -removal "nel refitting
I Remove the cap horn Ihe hiler pipe. 2 Re movo Ihe .ighl·twnd siele lIim p;'lllei. 3 Peel back Ih e in sul alion clear 0 1 Ih e pipe (:Over fliln cl (Ghia only). 4 Lift outlhe pimel coverinU Ihe spore wheel. 5 Unbolt Ihe IllIer pipe covor panel. 6 Lo osen th e clips and releilse Ihe rubl>C1 oail er from Ih e floor and f,llel pipo (phOIO) 7 Remove Ihe screw al Ihe lO P of Ih e pipo nexl 10 Iho filter cap (photo). 8 Disconnect the hoso and withdra w the I.ller pipe I rom in si de Ih e
car.
o Relill ing
is a rever sal 01 romov;lI,
A
cceleralor cabl o - removal and relining
Removo Ihe
lowe. lac.a panel inSide Ihe ca'.
166 Rull"'" !F"1I1';'I1 "otlom " I I"". la llk flU", l"llll
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--.
. ~
1(; 7 Fuel lank flUc. Pll~ UppCI 1II0UIIIIII\I SClew (.lIwwL't I)
"
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: : i;. "j -' , ,' .... :r: , :'y~ it. ; '., :
Fig. 3.24 Disconnecling Ihe innor cabla from the pedal (Sec17)
Pusll M 11 ,mrl rcfc,uc ill IJ
2 Disconn(:cI Ihe cahle 1<0111 Ihe I)OOal hy unhookoug Ihe clip and rcleasing Ihe ""II:! cal,le 3 Rem oye Ihe IHal:.e servo un:1 a~ dcscfLb c(1 11 Ch;lll lcr 9. Ihen remove the SClew securrn~J Ih(: Oulcr cable to Ihe iJulkhc;'ld
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76 Chap~r 3 Fuel and exhaust syste m s
20 E~huust nlllnifold -removalllnd refitting
1 Disconnect the hallelY negillive h}ild. 2 Apply the h,lndl,)',li<.e then lilCi<. up Ihe Iront o[ Ihe Cill ilnd suppo,t on axle stands 3 Unsc,ew the nulS ilnd d,scontlect th c exh;!ust pipe alld U;lIl!) C 110m Ihe edl;!ust tIIiln"old. Rctllove the sc;!hnH tlllt!. 4 Unsc.ew the nulS p,ou,ess,vcly ;!lIff ,cmove the tIIOlrllfold from IhC
cy lrnd c. heOlct. Removc Ihe gaskels . 5 Refrllrnn IS;! Icvers;! 1 01 renIOV;!!, hUI cleOllllhe millrnlJ 1,1COS "rul Irl new n,1$kClS Tr\Jhlon Iho nuts prowossrvoly
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-'
1
2 1 E~rH1usl s ystem -removul ilnd refitting
Posi ,ion Ihe COl' ovcr;!n in~pcction I)rl. O. 100ci<. ,hc CM Hnd suppa., II securely on blocks o. stands. 2 DrsconnC CI Iho bllttcry. 3 lrfl up the rosonmo. hox ;!nc! pull the ,ubbe, rtlsulato. off each srd e b,;!ckel. 1 50111",1IC ,111 Ihe Clmlll) nutS wrlh p<:nClfmrng all. or II jl'OPtlCI,',y
COfl05,on inillbrto • . 5 Disconn ect lhc f!Onl pipe f,om ,he milltlroid. d e tilr.h the sOOlhnu lin!] and lower the ,.onl section 01 ,he lIxhaust
F ig .
3.28 Exhaust system coml)onetllS (Sec 21 )
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Q
Chapte r 4 Ignition system
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Fig. 4 .1 Diagwll1 of the hre(lkerlcs5 ignition syslem on the 2 .a litre engine (Sec 1 )
A higgcf ",,(I stiltor ,1(111$ 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""\JCUt e.h,1u~t C""5s"m r .. ' - '),uk nece ss1Hv to start thc: Illlxlu1I1I""!1 ;md the In~t;"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 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
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) 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"h"10f Cilll one;H 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 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 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 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 ). ""'1I"'~1 tI,e IWO clops 10 secure lhe cap.
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90 ) Chapter 4 Ignition sys tem
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<1 3 Contact hlcnkc. mOUIlJrrlO ~CH)WS (,lrrowcd) 63 Dlsconncclinu the V -
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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'~""1 a~Hl"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 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"bulo' C;Ij> only (SeClion 2) 3 D,sconlle\:t Ill.., V 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).
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