brake FORD CAPRI 1974 User Guide

Chapter 9 Braking system 147
Br;'lke IlIlInU
Wheel Adjustment
"m
cylinder --·-·_.L
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• shoe hold down spring/pin
Br.lke shoe
Fig. 9
.5 Rear brake shoe components on later m odels (Sec 7)
All models 11 Check the wheel cylinder lor leaks and lor Ioee moyemen t of the
piston(s). Apply a hule brake urease to Ihe shoe contac t points on the
backpla te. wheel cylinde r, anchOr and sell-adjusting mechanism. On
early models check th<lt the wheel cylinder is free \0 moye up <lnd down in the backplate <lnd "pply <l hule brake grease to the sliding Surfaces .
12 Fit the new brilke shoes using a reyers .. 1 01 the remoyal procedure,
but check that the self-.. djusting mechanism is set to the minimum
posi tion belore refilling the drum .
13 Finilily apply lhe loo tbrake firmly several times. On later models this will actua1e the self-adjus ting mechanism; however. on e<lrly models, re le<lse the footbr<lko then <lpply the hondbrake seyerill times until the ra tche t is heard to s top turning.
'
Wheel cylinder _ remo yal. oyerhaul and re fitting
Remove lhe rear urake shoes as described in Section 7.
2 Fit a hose clalllp to the fle~ible hose leading to the reaf br .. kes. If a hose ci<lmp is not <lyail<lble, tig hten a piece 01 polythene sheet beneath the Iluid reseryoi r hiler cap to help reduce any lIuid loss. 3 Unscrew the union nut(s) connecting the rigid b rake line(s) to the re<lr 01 the wheel cylinde r.
4 On pre Oecembe r 1974 models remoye the split pin and clevis pin Irom the handb rake leyer <lnd pull 011 the rubber dUSI cover. Pull oul the two U·shaped plates and withdraw the wheel cylinder. NOle that
the spr ing plate is inser ted from the piston end 01 the wheel cylinder.
5 On I.ller models unbolt the wheel cylinde r from the backplate .
6 To dismantle thO wheel cylinder, remoye the clip where fitted then
prise the rubber boo t(s) from the cylinder body.
7 Extr.lct the piston( s) <lnd separa te the rubber boot(s)
8 Remoye the piston return spring .
9 Prise the seal(s) from the piston(s) , 10 Clean all thO compo nents in methylated spirits or clean hydraulic fluid then inspec t them for wea r and damage. Check the cylinder bote and piston{s) 10f scoring and corrosion. and il eviden t renew the
complete w heol cylinder. If the components are in good condition
ob tain a repair kit 01 seals.
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1 Chapter 9 Braki ng system 1 49
,1 M aste r cylinder -overhaul
With tho m<lster cylinder removed (SeClion 10) clean the exterior sudaces.
Girling type 2 Removo the SCleW$ and withdraw rhe fluid reservoir. twisting i as necesS,,'y from Ihe end seal. 3 Remove the twO seals afler cdraC ling the circlip ovor Ihe cnd seal. <1 Using II hOKagon key. unscrew Ihe relainer and hit oUllhe primary
recuperating valvo. Oepress Ihe primll'y piston during Ihis procedure. 5 Exl.;'!ct Ihe primary and secondary pistons. IOgether wi,h their associated components. noting Ihe order of lemOlln l. H nccessary top Ihe master cylinder on a block of wood or use air pressure from il foot pUIllP through the inlel porlS. G Separate rhe primmy ,10d secondary l)is10 11S irani lha intermediilte
sprinu . Uso tho !inUe.s 10 remove tile Ulilnd seDI from the primil'Y
r""' lon .
The secondil'y piSlon assembly should ho sOfh"ated by lilting the u"mblo leaf ove , Ihe shouldered cnd 01 tho viston . Using the lingo,s.
rr 'wo the se<ll from Ihe second,lfy I).ston . l ,opross Iho sccondilry sprinH. illiowinn Ihe vDlve stern 10 slide throu!Jh the keyholo in tho thimble. thus releasing tho tension on Iho
spnJlg
9 Dotach lhe villve space ,. tilking c<lre of the spring washer which win he lound IOCille(1 under tho villve he<l(!.
Teves (ATE) type 10 Dopress Ihe primary piston, thon oxtrnCtlhe circlip from the mOUlh of th o c ylindo r and also unscrew Ille SlOp screw. 11 Extract the primary piston componen ts noting Ihe order 0 1 removal. followed by Ihe secondary piston componenlS. If necessary top the
master cylinder on a block of wood or use air pressure from a 1001 pump through tho inlet ports. 12 Prise the seals from the pistons, nOling which way round they are lilled. then il necessary remove tho springs and seals. The prima ry
pis ton spring is retained by a screw.
Both types 13 Clean all tho components in melhylated spirits or brake fluid then
inspec t them for wear and damage. Check the cylinder bore and pistons for scorinu and corrosion. and if eviden t renew the complete nI<lster cylinder. If the componen ts are in good condition obtain a
.opair kit of seals. 14 Di p Ihe piston and seills in hydrilulic Iluid then reassemble Ihe m<lster cylinder in revorse order to dismantling. Make sure that Ihe seals a ro assemble d tho COffect way round as previously noted. Note thaI the secondary seals may be idontif ied with a silver band. On Iho Girling Iype make sure Ih<lllhe shim on Iho end valve is fined with liS
convex side against Ihe shoulder nange. Belore refiuing the fluid reservoi r on lhe Girling type ch ock that the recupera ling valve is open wllh Ihe prim<lry piston released, and closed when I he piston is
depressed.
1
2~
3~
13
1
2
3
4 5 6
7 8
R
22
21
Fig. 9
.8 Exploded view 01 the Girlin g master cylinder (Sec 11)
Filler cap 9 Seal 16 Secondary piston
Seal 10 MaSler cylinder body 17 Seal
Seal !Clainer
11 WiJslrer 18 Rell11i1er
Fluid reservoi r 12 Reservoir relaining screw 19 Spring
Seal
1 3 Seal 20 Spring fl/Miner
Relainer
14 Primary piSlon 21 Valve
Primary fCCllpCfaling valve
15 Spring 22 Seal
Circlip
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)
Chapter 9 Braking system
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: ~~ 11111JIII/IIIJ II /I /III Ii hIIllllIlIlIllllIlll 11111#111111 III! -------
8
9
Fig. 9.11 Exploded view o f Iho pressure d ifferenti<ll switch (Sec 12)
I Fron( /)',l/a.' inlet ullioll 2 W ,)Silms 3 Pj~(UflS
J Pressure reducing vulve -description. remalln' nnd refitting
<1 SCi/Is 5 W,If/ll//y $wl(ch (j [lid ilIIIY
All models from ~pproxirniltely 1978 me lilted with il pressure ,educing valve in the rC~f hydraulic Cifelli!. The IInlve is IOCillCd on the lower Icft- hJrHJ side of the engine compn((mcnt (phOIO) ,mel 11 effectively limIts the hrakin\1 force DV<J,lilblc \0 the Ie ... wheels dUring hCilvy bri'Jking to prevent reM wheel locking, 2 Checking of the vnlvc requires the use of a pressure IJ<luge and .. therefore, Ihis work should be Cilrricd out by il Ford U~r~Ue. 3 To remove the valve, first tightell a piece of polythene sheellnu bene;]1h the brake fluid reservoir fdler c~p to reduce the loss of fluid.
4 Unscrew the twO union nuts then disconnect ~nd pluU the pipes .
5 Unscrew the mounting bolts ,md remove the unit.
6 Refitting is a reversal of removal, but on completion bleed the
hydraulic system as descrihed in Section 15.
1 4
Hydraulic pipes and hoses -removal and refittin g
7 8.1/1 8 Body 9 R(lb/w( cover
First wke meilsures to reduce the loss 01 hydraulic fluid. If ~ rig id
pipe downstream of a fle~ible hose is being removed fit ~ hose clamp to
the hose . If this is not possible tighten a piece 01 polythene sheetinu
beneath th e livid reservoi r filler cap. 13
.1
Rear brake pressure reducing valve
2 To femove a figid pipe, unscrew the union nutS;]1 each cnd and release the pipe from the retaining ctrps. wh(Jre /riled.
be retained as a gUide.
151
)TO remove 11 fle~ible hose, lirst disconnec t the rigid pipes IN u"screwing the union nuts then unscrew the nuts securing the hose to
the 1l10unting brackets .
4 RiUid brake pipes arc normally made up from straight pipe using special bending <.rnd flare· forming lools. The old pipe should therefore 5
Refitt ing
is J revNsal o f removal, but make sure thJtlle~ible hoses
arc positioned clear of suspension or steering cOlilpo rwnts which
could chafe them. Finally bleed the hydrauhc system as deSCribed in Section 15.
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152 Chapter 9 Braking system
)
OIOIN -.1
(2 ~i MMI __ J-j -I , h= .. OJ"N , r-t1 8 7MH)
Fig. 9 .12 Modified screVlldrivcr f o r CC01t;llisillg {he IHcss urc different;", switch pisto n (SIlC 15 )
15 Hydraulic systerll -hfccdiliU
The correct functioning 01 the bfl,kc hyd,~ulo<.: sy Stem IS only possible aile! removal of all ai, from the components ilnd CIICUI1. Ihis is ilchieved by bleeding the system. Note \h<ll only etc;on IInus.:d tUilke fluid, which hilS renlilincd unshaken 10/ at least 24 hours, l11uSl he used. 2 IIlhcf(l is any POSSibIlity 01 jncolfI~cl flUId havU\g bee n usc\ 1 III the sys tem. the brilkc hnes "nd component s must be compll!lely flushed wllh IInconl,lrll'Jlilled fluid ,mel new seals hned \0 the componCllIs. 3 Never reuse lJ<ilke fluid which hi'S been bled Irom Ihe syswrn . " DUJmU tlHI prm:edure. do nul illiow Ihe level of br(lke fluid 10 lhup IIlure th,]I hilifway Ilown the .ese.voll 5 Uclorl! Sla rtlnu wmk. chock Ih<1l illl I)II)OS imd hoses ale socllfe. UIHons IIUht allli bleed screws closed. T"ke U,eal Cilre not to .. lIuw hr"ke flUId to come inlO COn1ilCt wllh the cal pil;ntwork, othe.wlse the ~h WIll 1)0 scrlously do1"'ilued . W<lsh 011 any spilled lIuld .Icrlr;llely wilh cold wawr. G If the hydraulic SYSlem h<ls only heen Ihl.t;"lIy (hsconneclCd .md ~ ble l)reC"utions were laken 10 prevent fuuher loss of fluid. Ihen il shlll/id only he nccessmy 10 hleed the hfllke conce.nCl!. or Ihill pill I of the ci,cull 'downstreDrll' frorn where the work look !}Iace 7 Where a I),es su.e dlf!e,enlial SWlich is !I!wd (Section 12) it will 1)0 I1ecessnry lor an asslstanl to hold the mtemal pistun in the cen tral positIon du.ing Ihe bleeding opcf1llion. otherWise " WIll be dlfficuJ t to uelthe warning h\)htto go out ilnd stay oul A screwdllver mOdIfied as shown in Fig . 9.12 should lJe inselted through thO baso 01 the hydrauliC body after removing the ,ubber cover.
8 II possible, one 01 the DIY brake bleedIng k'ls avaIlable frorn ncccssory shops shoul d be used, paltlcul1\lly tho typo which p,essulisos the system. as they \)rea tly simphly the task and leduce the risk 01 expelled air and lIuid being drawn back rlI10 the systelli. Whell.! ono of these kilS is being used, follow Ihe milnlliacturer's instructions concerning its operiltion. 9 If a brake bleedmg ki t is nOI being used, the sys!Cm may be blcd in the COllVCntlOllill Wily ilS lollows: 10 Ohlain a cleill1 glass Iilr. a suililble lel1glh 01 pillstic or rubbe. tubin g willch IS a 1Ight fll over the bleed sc rews. a tIn of the speciflod hrake lIuld ~nd the help of an ilssis tant. 11 Depress the b.ake pedal seve'<lltimes to dlssipille any vacuumlrom tho servo uni •. 12 Clean Iho area around the bleed screw ilild remove Ihe rubbor dust COlD (photo). If the complele ~ystem is 10 he bled. stalt at the 1I{JllI·hand Iront bl(lke 1: I the tuhe to the bleed screw, inse" Ille 111)0 end of the tube into
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15 12 Ruhhe. (i'lsi C,lP 011 Ironi brake Cilllper
tht!
J;II ill111 porn 111 sull,c.(,:nt hrilkc lIuld 10 keep Ihe end 0 1 Ihe tube ,"uhml!r!Jed . Opel1the IJIL'Cd screw hall a ilIOn anti hnve your ilSSlstilnt dnp,nss IIII! IHilk e pedal In the flOOr and then relColse il. Tlghton Ihe billed ~r.rew ill Ihe end 0 1 cilch downstoko to prevent Ihe e_I)OJled <IiI ;111(1 fhud lroml)Olnu drllwn IhlCk IntO the system Repeatlhe puxodure IInt,1 clean blake fluili. fICO from all buhhles, ell" be sccn emcrging hUln the rube. then hllally lighlen the bleed screw . ..,,,,ove the tuho illld ,elll the dust Cilp . Remember to check the hwke flun! level 111 the IflSCIVOII pellod,cillly and keel) II lopped tip III !lepeat Ihe procedure 011 Ihe left-hand 1,0111 "rake 1"lIowell hy Ihe Jelt-hand rca. hr;lke. Note thai there '5 110 hleed screw on the IIUhl ·h lll1( llI!ar iI'ilk,] as the flUId ,s supplred dlll:l;tlhr{lII!11i Ihe wheel ,:ylnldl!r to Ihe l"'l ·hilllll,c." h •• ,ke When cOllipleted. rec heck Iho flu.d l"vl·1 Ul the leSl!rVUIf. lUI' IIp If n(,:ccssil'y ;Inl ,01,1 the cap .
1 5 D,'press the hlake pcllal sevel,,1 I""es, It should feci 111111 <llIti free ito", 'SPUIIUIIICS5' whIch would ",lflcHte ill( IS slllI presenl 111 the
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16 Foolbrake pod,,1 -removal and .elillinll
Wo.kll1g InSide Ihe CM, ,emove the lower In c. a I","el below the 511,."," Ill!! C()IUIllIl 2 F.xlrilct the chI' ilnd pull out the clOVIS pIn "t1achlng thc servo pushrO<i 10 the 1)(1(1011 3 Unhook the rei"," Sl)ring. 1 Hemove lhe SpIIIIg c!rp and slide the pedal from the shah. 5 Clea" the cmllllOIIcnts ehen ex1lmrno them lor wea, and damage.
Th o bushes may be renewed separately if neCeSSilry by driving thel11 hom the pcdaL G Rehlllng.s a reve,sal 01 ,emoval. but lubrIcate Ihe bushes, sh<lll and devls pIn wllh a !rille grease .
17 Stop lamp switch _ removal, refilling aile! il(ljuslmenl
WOlking inSldc the car. remove the lower I"cia p"nel bolOw the slcCllng cOl ullin. 2 D,sconnoct the wiling plug, unscrew the locking nut and detach the swiech (photo).
3 Refilling is il revers<ll 01 lemov<ll, bUI adjust the Jlosition 01 Ihe switch so Ihal when Iho 100lbr;lke pedal is al Ihe reSt pOSlilon the switch is depressed hatl it s 10tal travel <1 On completioll, check Ihat the swiech operales correctly.
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Chapter 9 Braking syste'm 153
3
Fig, 9 .13 Foothr<lke pedal cOlllponents for automatic transmission models (Sec 16)
1
Spring clips 7 Clip 2 Washer 8 Bushes 3 Shafl 9 Clevis " in , Spacer 10 Rdl/fn sp,illY
5 Bushes /I Rub/u."r P,lI/
6 Pl1d;1I
172 Stop lilOlP switch iHld witi:lg plug
18 Handbrake -adjustment
)Jack up the ,e<lf 01 the CM ,HJd suppOrt on axle stands. Chock the hont wheels. Fully mleJse the Iwndb'Jke level .
6
11
Early (1974/1975) models 2 loosen the locknul on the end 01 the primMY c<lble then tum the <ldJustment nut unt,1 the levC! 'S Just clem 01 the slap on the feaf axle
b,acket. Tighten the Jocknut.
3 Loosen the locknul on the IIgill·hnnd end 01 the secondnry cable then IUfn the adjustment le"ule until <III cahle slack is Illst eliminated M<lke SUIC Ih<l the ope"ltlng levefs on the b<lckplatcs remain on their stopS (ie lully ,eleased).
Fig. 9.14 Handbrake primary cable adjustment nut an d locknut (arrowed) on early models (Sec 18)
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)4 Chapter 9 Braking system
Fig 9 .16 H an dbrak8 cable adjusting nul (A) on later models (Sec 18) ~&#39;9. 9 .15 Handbrako secondary cable adjustment fonu le and lockn u t (arrowed ) on early models (Soc 18)
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Fig. 9 .17 Hnndhrnke operating lover n n d (llwtment (ldjuSlment gn p ·A' on later models (Sec 18)
'-iller mode!!s 4 LO(:,'I" trw r.al,lo .1dlUS1Cf lust forWi1f(1 01 the 10." axle dillCrcntinl , ;;.~.IIl!J (,.holn). then Sflp,l'ate Ihe ndjus\ing nul and sio eve usinIJ II se.ewtl""cr ["n,'IIO lhe keyed sleove in the bracket.
5 T 11m Ihe lldlu sling nul unlot all c.,l>lo slilc k is eliminated and a cleiuallr.e of I 0 '0 1 5 mill (0.039 to 0.059 in) exists at tho handb'Jke ope.aling 10l'm .. butment points (Fig. 9.17) Temporarily apply the holn(i!),,,kc 10 cnUage t he ilujus\ing nut with the sleeve then recheCk the ildJuSlmcnt.
All models 6 Lower Ihe r.'lr In the ground.
1 9 H ,1"dbrako lover -removal and refilling
Chock till) front whecls then lack l'P thO tcat 01 t he Cllt and SUllport on ilxlc swnds . Rclc~!se the halldbmko . 2 Whete applicahle remove the centre console with reference to Chapter 11.
3 Disc;onnecl the l>fiOlilJy cable from the lower end of t he h andbrilke
lever beneath the etlr . On early mooels baek all the cable adjustmen t
and unhook the c lev is (photo). On lale r m odels remove the splil pin and withdtaw the clevis pin (photo). <1 Remove the SCHlWS and withdraw the gaiter over the top 0 1 th e lever.
S Unbol t the hanrlhtake lever Irom the lIoot. 6 Relinin g is a revetsal 01 removal, but check the handbHlke
ildjustment as desClibed in Section 18 .
19 .
3A Prim ary cable connection to
handbtake lever (early models) 19.39 p.ima.y cable connection 10 handbrake leve r (Iale. models)
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) Chapter 9 Braking syste m 155
20 Hllndbrake ctlble(s) and rod -removal and refitting
I Chock the hon wheels Ihen jack up Ihe rea, ollhe car and support on a~le stands. Release tho handbfilke .
p,imary cable 2 Disconnect \heCllble flom Ihe lower end of Ihe handbrilke lever. On
c1'IIIy mOdels back 011 the cable ad,ustment and unhook the clevis . On latcr models remove the split pin and withdraw the clevis pin. 3 On early models, unscrew the locknut and adjustme nt nut hom the rOlll end 01 Ihe cable. disconnect the cable Irom Ihe lever, and withdraw it Irom the underbody guides and pulley.
4 On l<ller mode ls remOve the clevis pin securing Ihe cable to the right· hand reil< operating lever, unclip the cable from Ihe transverse rod, then withdraw the cilblc 110m the unde rbody guides and bracke t.
F ig. 9. 18 Handbra ko components on Iille r models (Sec 20)
•
I HaN/brake lever 2 Clevis pin lIml chi) 3 Prif!!lIfY clIble
4 Gllidc 5 Clevis {lin illld r:hiJ 6 TWf/sveISC lOti
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,
156 Chapter 9 Brakin g syste m
Secondary cc1ble (early models) 5 Loosen 1I1c lock.nut ~nd unscrew the adju stment ferrule from the right-hand rear clevis.
6 Remove the split pin and clevis pin securing the secanda.v caulo \0 the left-hand Icar operating le ve l. 7 htrac the clip, remove the clovis pin. and withdraw the pullcy wheel from the lever on the Ical a~le. 8 Remove Ihe cable from the lever.
Transverse rod (later models) 9 Disconne ct the cable from the righi-hand rear opCfating Icvcr by
removing the split pin and clovis pin. to Uncl.p the cable hom the 'Hlnsvcrse rod . 11 Remove Iho spli, pin and clevis pin securing the fod 10 the Icft·h~nd le;!1 operating lever . 12 Slide the transverse rod Irom the guide on the rOM axle . 13 Check thO {luide bush lor wear and dama ge and renew It il necessary by prising il oul and pressing a new bush irllo POSilioll.
All models 14 Refining is a r e versa' of removal. but lubr icllto the lin kage as )scflhed in Section 2, and atljl' stthe cable as (fescri bed in Section 18.
21 VilCUUrll sorvo unit -dosCrilHion
A vacuum servo unit is linod Into the lir,lk e hydrallirc cil cu il. 111 series with I he 111,1S ler cylinde f. to provide assiswnco to the dllver whlln Ihe brake pedal is depressed . Thi s reduces the eHolI le{luired try the driller to oper,lIe the brakes, under all brak ing condi tions .
This unit operates by vacuum, obtained from Ihe indu ction mnni rold and comprises basicall y iI booster diilphragnl and check lIallle . The servo unit and hydraulic master cylinder are connected
t o gether so that th e serllO unit piston rod acts as the master cylrnder pUShrod. The driller's b rilking ellon is trilnsmitted through allot her PIi ShlOd 10 the serllO unit piston and ils built-in COmrol system . The scrllo unll pislon docs not fit tightly inro the cylinder. but has a strong ,lltl flhril!Jlllto ke el) liS edges in COllst ilnt COntaCI with I he cylinder Willi_
23 rilult diagnosis -hrilking system
~ylllptom
-'ceSSllle ped,,1 u;tllel
nrakcs pull 10 ono Side
Or;tke ludder
E~cessive eHor l to stop car
so ensuring an i1inigh t seal between the two parts, The fo rward
chamber is held undelllaCUUm condi tions cleilted in the inle t manifold of the engine and during periods when the brake pedill is not in use, the controls open a passtlge 10 the rear ch ambe ., so placing it under lIacuum conditions as well. When the b.ake pedal is dep.essed. the lIacuum pass.Jge to the rear chamber is CUI oH and the chamber expos ed to atmospheric pressure. The consequent rush 01 ail pushes
the servo piston lorward in tile lIacuum chamber and operates the main push rod to the m.Jster cylindcl. The controls are designed so that assistance is given under all condllions. When the brakes are 1'101 requ ired, vacuum in the rear chamuer i s .e -es tabl ished when the br.Jke ped.J1 is released . All air Irom the atmosphe.e entering tho rear ch.Jmbe. is passed through II sma ll air trlter. Und er normal opcr.Jting cond itions tho IIflC(IUm serllO unit is lIery relraule and does not require ollerhaul e~cepl at IIcry high mile,1geS. In this case it is far bcner 1 0 o bta in a serllice e~hange uni l. r,1the, than rcp;ti . the o,igi'lo11 unit . Although inlernal components we,e once .Jv'lIlaule 10 ' ovcrhauling purposes this service has no w been
d,scont,nue(t .
22 Vacuulll servo unit _ remOlla l MId re filtillg
I RemOIlO the master cylinder as desc.ihed In Section 10. 2 D,scolllwc l thc vacuum hose from the non·return lIalve on the serllo \lI1it. 3 Work i,,!) insido thc cal. remOlle th e lower l;t cia panel below the stccring column. 4 E~tractlhc clip and l)ul1 outlho clellis pin attaching Ihe push.od to the l ootu .ake ped;t!. 5 Unsc.ew the nuts securing thc mount ing b.ack.et to the bulkhead.
then withdraw thc serllo unit and bracket from the engine COlllp,lJtlnen t, 6 UnSClew th e nuts ar1(1 serlar,lle the braket 110m the SCIIIO uni, . 7 netrning IS;t rell e.sal 0 1 remOllal w ith leference .Jlso 10 Section 1 0 when retrumg Ihe master cylrnder.
Renson(s)
RC.Jr blake self adju sting mechanism faulty All i n hydrilulic system
WOIll or cont,llllina led /rnin{Js Seized Caliper or wheel cy linde r
E~cessille run-out or distortion of discs o. drums
Worn Of cont aminated linings Brake backplate or caliper l oose WOIll suspensio n bailloints
SerllO unit faulty
Worn or conwmin.Jted linings
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162 Chapte r 10 S uspension and steering
)
Fin· 10.6 Front
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Y 6
hub cOnll)oncnts (Sec 3)
12
1 0,1 seal 7 Diller be,?li/!{J Iwck 2 IIIlIcr bcaring wee 8 GUiN Iwmitlfl filct' 3 Inner bemiJlg /I,?ck 9 ThlllS! wilslwf 4 Screw 10 NIII 5 Disc 11 Sf"il (lin 6 H", 12 01151 C.1jJ
4 Remove the split pin frorn the nul rC\;linCf and undo the adluS\ing nul from the stub a xle. 5 Wilhd,nw the thr ust washer and the outer tapered he,..ing. 6 Pull off the complete hub ;111(1 disc ilsscrnbly ffOIl11hc s tuh tlXlc. 7 To refit locale the huh tlSscmb ly on the stub il~lc <'Ind slide on the outer hc"rinu nnd II1<lI5 washer. 8 Fit Ihe nut tlwn \,uh1en il to a lor que of 20 to 25 Nm (1510 1811>1 II) while <I\lhe same tlillC IUfllinu the huh <lilli-clockwise. 9 Luosen lill! nlll by 180' (hall a turn) Ihen rc\i\)loIen usinU only the
IIngurs ~&#34;d Ihun1l),
1 0 Rei" the nut ret;)u)Cr SO th~t the spill pUl holes ~re ~lIg&#34;ed. Fit a
v split pin <Ind ref,t the d( ,st c~p. ,I Hellt the front br~ke c;!hp er wllh reference to Ch<lplcr g, ,~ Re"t the ro~dwheel and lower the cm 10 the ground
4 Front hub be<lrings _ renew<ll
1 Remove Ihe Iront hub as described in Section 3.
2 Cmelully prise out the gre.lse senl Irom the b~ck 01 the hub <Isse01bly <In(t remove the inner wpered be<1rlllg 3 Using a brass drift. or beming puller. remove the bearing ouler !racks from Ihe ends of the hub.
4
Scoop out the grease 110m inside the huh imd wash clea". S Drive the new bearing tr<Jcks into the hub wilh thell tapers la cing outwards usin g suitable metal tubing,
5 Working the
glease well into th e beiu ings. lully p<lck the bearing cages and rollers with whcel bearing Qre<lSe. Note: Le,1Ve Ihe hub cavity half emply. to allow fOf subsequent e"p,1I/sion of tfle gIC{JSe, 7 Fil the inner wpered bearing in ils track then press il new grease se<J1 squarel y into the hub using <I piece 01 wood, S Refit the front hub with reference to Section 3 .
5
Front Suspension strut _ renl0v<li and refitting
Apply the handbrake then jack up the Iro"t of thc car ilnd SuppOrt r ViC S\Jnds, Remove the roadwheel.
.lel1love th e front hub with referen ce to Sec lion 3,
56 Front SllSI&#39;,,&#34;~&#39;nll Slrut uppe, moullt"l{j
5.7 Lowellnl) 110" f'o"l SUSrlt''' S'OIl ~lr&#34;tlro&#34;&#39;ll&#34;der the wheel a,ch
I !:&#39;~
!; ... ~
-;;
3 On e~rly n,,,dds. Icmove the "\lI d brake p'pu ""d dew ch Ihe flex'hle hose 1,0 '" the br.1ckct on thu strut (, f neccssilry ruler to Ch"p ll'r 9 ).
4 OlsconneClilHlu.u:k rod l'nd from the steer;ou n'm (Sect ion 14) 5 Extrncllhl' spirt p,,' <lnrl unscl ew Ihe nut securing Ihe track corlllol
arm bali,ornt 10 Ihe SI,ut. ScpnralC the ,oint using n hnilioiol sepnrator
tool.
6 Workrng Ul1d'; r Ihe bonnet. un screw the three mounting nuts sec(Jl iog the 51'Ul 10 the wheel arCh (photo). Where applicable note the location 0 1 Ihe ilce ele r" tor cnble Slipporl bracket be ne3th one of the
nulS .
7 Lower the stru t ~ssembly from undl'r the wheel arch (photo).
8 Refll,!n\) '5 i' reve rsal 01 removal. hut ti\)htcn all nuts 10 Ihe
specified torq(,e fl"fe r 10 Section s 14 and 3 as necessary.
6 F ront coil sp ring - removal and refitting
Note: In Off"" /0 ,(:mo ve Ihe corl .~&#34;{!finy ffOIl! the strut it writ be neccssa,y /0 ub/."" .1 sui/able sP"".<J (;u"'p,essof ro ol 1 Remove Ihe f,ont suspension str,,1 JS descrrbcd III SHt,on 5 ,
procarmanuals.com

Chapter 10 S uspension and steering 163
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Fig. 10.7 Coil spri n g compressor lOo ls (Sec 6 )
\.
FiU. 1 0 .8 C o rn pressi nu the frOllt Goil spring ( S ec 6)
~ " / ron t stobiliser bar clamp mountrng
2 Mount the strut firmly i n ~ vice .
3 Fit t he spring compressor tool(s) to the coil spring and compress the spring until it is juSt clear of the upper mounting. Milke sure tho t the
1001 is f ully engilged with the spring.
4 Prise off Ihe plastic cap then unscrew Ihe pis ton nut ~nd remove
t he cranked
retoiner .
F ig . 10 .9 CU\·
ilWilY view o f th e front coil spring nnd strut mountin g compo nents (Sec 6)
A Shack absorbfN pis/ull B 51,,11
5 Remove Ihe upper 1110unling lollowed by Ihe corl spring. rebOllnd
rubber and lowe r sprrnU seal. G The coil springs are colour· coded ,1nd II a new sprong 's being I,!led
il muSI hilve the same colour code.
7 Ref itting is a reve,sal 01 removal. but il Will be neceSS<lry 10 I"S I fll the compressor 1001 10 Ihe coil spring. Where a dished washer is I ,tted 10 Ihe piSlOn lod. Ihe convex Side must foce upw<llds . Fn II new piston
nlll _ using locking fluid on its thre<lds. Do not fully tighlen the piston
nul until Ihe weighl of Ihe car is on the suspension and. when l ightening il. posilion the cranked retainer wIth ilS twO ears al 90' to
lhe centre.line of Ihe CM. Where the p iSlon rod incorpor<lleS a slot.
crrmp the nut
II~nge into the 5101
7 F ront stabiliser bar -removal <lnd refitting
Apply t
he hand brake then Jack up the front of the car and supporl
on axle stands. Remove Ihe fronl roadwheels.
2 Working under Ihe CM at the Irani. knock back the loc king tabS on the four baits securing tile two f,ont ct~mps Iha t hold the swb,hser ba r
t o the frame and then undo t he four bol tS and remove lhe clampS <lnd
rubber insulJtors (phOIO). 3 Remove the split pins 110m the cJstellated nu ts rewin in g the stabiliser bar to the Irack control arms, then undo Ihe nu ts and pull off
,
I " I , ,
j
!
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