radiator cap FORD CAPRI 1974 Workshop Manual

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Chapter 2 Cooting system 59
1 I VISCOUS (IPlVC I,m coupling (I,~mpc,alu,e sensitIve 1VIle shown) 2.5 Tuppill\l -lIplhc COlllilll1 h,vel in the c~J)alls,on \;lI\k 27 Checkin U the drive-belt IClls,on (28 hire CIlUulC)
2 Routino Illaintcnanco
Altho ,n1C, ... "ls SPOC""]!! utlhe Rouhnc M .. "UcnanCf! SOChOr! on Ihe 110111 01 the m;uu,a1 c;lrIy oul the lol1oWl!ljl p.occduoes
Check cnoling syslcm lor /c,1k.~ 1 In spe cl Iht! coolin!! sysh),l) hose s 'llcludlll!) the ,adIOiIO' :,"<1 Iwate. hoses for damage. detcriOlllll0n i1nd sccullly If Ihelt) is I'Irly IOulle;1I'01] of swelling 01 p Check coo/tint level 3 Whe r(l Ilrl expanSIon 11lnk 's hlte d (I"te. Illodels) lhc I;oolnnl ICv!:1 can tJC check ed without .enlov,nu the pr Check drivebelt conditioll and tensioll 6 Inspect the complete lenlJth 01 th e tJrovehell(s) for dClello.,llIon which WIIIIlI)f)e,lf ,lS h1lyll1U 0' UlilZinU to the 1)Ulley cUl1t ilC t su.fi\Ccs. 7 Check th(lt the deflec tion 01 the d.ivebclt{s) midway hetween the wate. pump i1nd (litelnntor pulleys is i1pp.ox,,11i1tely 100 111111 (O 4 OIl) under 1ll0de'i1 le thumh p.essule (photo). 8 Whe.e ~Idiustillent is neceSS(I'y. loosen Ihe Ililefllilto. p,vot and adjustment bolts. re l)OSlloon the alternilto. then tighten the b olts. A leve. mill' be used at the pulley end o f the IIlterna tor 10 o b1;lIn Ihe
COf/ec t tension If .equir e d .
9 Run the enuine f o r severlll minutes Ihen rec hec k t he lension.
Renew,1/Jtilreeze 10 O.am i1nd flush Ihe CO(lhng System as descrlhed in Sections 3 and 4 . 11 F,II the coollllg system With Ihe correct solullon of watel and amlf,ccle as desc"hed in SeClions 5 and 6 .
3
Cooling sysl e m -drai"inU
If pOSSIble. ensu,e thilt the engine IS cold belo.t! d.al"i"lJ Ihe cool ant. 10 aVOid the fisk of scalding.
2 Remove Ihe .adlatOf or expanSIon tank IIlIe. cap. If the eflUlnc IS hot. Ih ls must be done vl;lry caul,ously, because a sudden release 0 1
Fig. 2.3 Clltawa y view o f Iho expan sio n tlln k showin g tho plastic lovel indicator -tH rowed (Sec 2)
P'".'·S5U'0 CilIl ,esull II. the cool(lnl !.>oIling i1nd blOWing Oul. On ,1 hot enUlIle. plilce iI cluth ove, the caf} and lurn il ve. y uently. '0 release tim p,ess\lIe slowly. 3 flel110ve the SplilSh shield frOI11 b enomh the ra(II;IIOf. of i1pplrcilble
" Unless !he coolilnt IS beinu discarded and thc ca. 's over (I slilt illJle
d'illl1. ,,'"ce a deiln IWO i1nd a half gallon Conl;1ine. underneath the ,adlaIOl. !) Rel110ve the radlatOl bOllom hose lind allow the coo'al11 10 drili" . 6 If the SyStel1'IS to be completely d,ained. rcmove the cyhnde. block d.;1I1' pluU and draIn oul Iho .emainlng coolant hom tho engine . ThiS d'illf' plug IS locilted all the s,de of the cyl inder block to Ihe rear of the oiliolicr. 7 On 1I10deis wilh all eXJ}ilnSlon tank 'emove the rad.alO' cap as well
4 Cooling systom -ftushing
In IUlIe. !he cooling syStel11 Will lose ils efficiency because o f a bu,ld'lIp 01 .uSI and sedunen t in the radiator. To clean the .adliltol. .emove thc IllIer Cill) i1nd 'he bOllom hose ilnd !lush Ihe radialo" by inse.llng a hose in Iho f,lle. car> neck i1nd funninu Wille. th.ough fOf about tr.m I11mules . 2 If Ihere is a Ilea vy aCCUmuliltlOn 01 sediment. it is betler to .eve.se
flu sh Ihe .adl~tor. by connecting the water supply 10 Ih o boltom of the rilclmof alld allowinu II 10 flow oul of the tOIl. Speclnl hose adapters arc avai lable to enahle thIS to be done w ith the rild.ator In I)OSllion. but It is p,efe.able '0 removc the lad,ato. and tum il upside down.
3 Remove t he thernlos,a, (Section 8) then .eve.se lIush Ihe engine wi,h a W1l1e. hose u n lll clean waler flows from the .ndlat Of bottom h ose connectIon.
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