Chapter 9 Braking system
Fault rflnunosis -hrnking sys tem Foothrnk.c I)(!dnl -removal .1nd refluing From m ake caliper -overhau l .. Front blake cillipCf -removal ;1nd 'Cl,UUl\1 .... ______ ._ .................... . Front brake discs -inspection, ,enlov,,1 and rcl,!\in(J Front disc pilds -renewal , ....... _ ...... .. General description ..... .... ........ . ............ . H andb
Syste m type
I=rOl1t brakes ~c tt,ickncss :
Now ....................................... .
Min rmum.
Oisc fun ·out (ma~inlum including hub).
Mini'l1ulll disc pad lining Ihickness
Re ar brakes MInimum bfake shoe lining thickness.
Torque w re nch settings Caliper ....... ................. ................................... . Brake disc .................... . Backpl"te ........................... .................... .......... ................ .... .. .. .......... . Hydraulic unions. Bleed screw (ma~) .... Aecuf>Cfaling valve 'Clainel (Gi,ling)
Gonoral description
23
16
5 ,
G 3 1 18 20 19 14 15
Oisc brakes aro f;tted 10 Iho front wheels and drum brakes to the lea. wheels. Tho cable or cablo and rod opelilled handbrake oper:11es independently on the real wheels. A vacuum sorvo unit is fiued
" "tween the mastel cytinde. and loolbrake pedal to provide assistance 'en the pedal is depressed.
T he hy,aulic circui t is split frOnt and rear. Undel normal conditions
M,lSIC' cylinder -ove.hilul Milsle. cylinder -removill ilnd .e liuing . P.eSStue d,ffcrenliill swit c h -desoiplion .• e m ov,,1 and .el,ning P,essure ,educing valve · description. relllovill ilnd .er,llonu
Reil' i),lGkplilte · ,emov"r ilnu refining Hei!( i)r"ke shoes -renewal ....... .................. .............. . . Routine m"intenance ........ . ................. .
SlOp·lilmp switch - removal. re/rUlng and ildJustmcflI . Vilcuum servo unil _ description . Vncuum servo unil -rcrnovnl nod rcfiUing Wheel cylindcr -rcmovnl. ove.haul and ref'lIing
11 10 12 13 ,
7 2 17 21 22 8
Dlml hyd'i1ulic cif cuit. snlol Ironl i1nd rCilr WIth IlreSSU,e reducing v:llve in reil r ci.cui t on Iiller models. DISC I,onl brilkes i1nd self·ndjust illu rca .
(!rum brilkes. all wilh servo aSSIstance. Calrle or c.,blc .1nd rod operated handbrake on rear l)f"k es
12 .7 mm (0.5 in) 11.4 rnm (0.45 in) 009 nlln (0.0035 in) 3 .0 mm (0.118 in)
1.5 mm (0.059 in)
Nm 471068 41 1046 271031 71010 10 491062
Ibl It 351050 301034 20 to 23 5 to 7 7 36 to 46
both ci.cuilS operale in unison. howeve •. in the event of faIlure o f one circui t Ihe lemaining ci.cui l will p
Chapter 9 Braking syste'm 153
3
Fig, 9 .13 Foothr
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
11
Early (1974/1975) models 2 loosen the locknul on the end 01 the primMY c
3 Loosen the locknul on the IIgill·hnnd end 01 the secondnry cable then IUfn the adjustment le"ule until
, .,
" I
,
t , t
i
J
I
i
J
I
procarmanuals.com
)4 Chapter 9 Braking system
Fig 9 .16 H an dbrak8 cable adjusting nul (A) on later models (Sec 18) ~'9. 9 .15 Handbrako secondary cable adjustment fonu le and lockn u t (arrowed ) on early models (Soc 18)
I
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)
procarmanuals.com
162 Chapte r 10 S uspension and steering
)
Fin· 10.6 Front
@",.,i
, 5
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
1 0 Rei" the nut ret;)u)Cr SO th~t the spill pUl holes ~re ~lIg"ed. Fit a
v split pin
2 Cmelully prise out the gre.lse senl Irom the b~ck 01 the hub
Scoop out the grease 110m inside the huh imd wash clea". S Drive the new bearing tr
glease well into th e beiu ings. lully p
Front Suspension strut _ renl0v
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',,"~'nll Slrut uppe, moullt"l{j
5.7 Lowellnl) 110" f'o"l SUSrlt''' S'OIl ~lr"tlro"'ll"der the wheel a,ch
I !:'~
!; ... ~
-;;
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,,'
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 .~"{!finy ffOIl! the strut it writ be neccssa,y /0 ub/."" .1 sui/able sP"".
fault diagnosis -172 leaf spling .emoval. bush renewal and refitting -165 maintllnance. louline -161 shock absorber remoyal and refitting -165 stabiliser bar removal and refitting -165 lorque wrenCh settings -158 R"ays -225 Rep.ir procedures, general - 9
Rocker e rms (3.0 litre engine) examinat ion and renovation -51 removal - 49 Rocker arms and coverl (3.0 litre engine) ref itting -55 Rocker assembly (2.8 litre engine) dismantling. examina tion and reassembly -34 Routine maintenance stt Maintenance. routine
5
Safety precautions - 12 Seat belts -191 Seats .emoval and refining -192 Sidelight bulb renewal -213 Spare parta buying -8
to carry in ca. - 19 Spark p lugs conditions (colour) -91 lemoval. servicing and .elilling -95 Speedometer cable renewal - 226 Stabiliur bar Iront -163 rear -165 Starter moto r
description -207
d ismant ling and reassembly -207
removal and refi tting -207 testing on engine -207 Steering column removal. overhaul and refitt ino -170 desc.iption -158 faull diagnosis -172 f,on t wheel alignmenl ~nd steering angles -171 gear (manual)
ove,haul and adjustment -166 removal and refittin g -166 maintenance. rouline -161 power steering bleeding -168 gear removal and refitting -168
pump femoval and refining - 168
specifications _ 157 torque wlench senings -158 track rod end balljoint renewal-167
whea' removal and refitt ing -168 Sump 2.8 litra engine
refining -44
removal and refining with engine in car -34 3.0 litre engine refitting -55 removal -50 Sunroof bracket and dr ive assembly lemoval and refitting -191 panel adjustments -189 removal and refining _ 190 Suspension lfnd steering _ 15 7 tl seq Suspension see Front suspension Imd Re ar suspension jtches removal and relining
Index
T
central facia - 225
door p illar - 224 handbrake warning light _ 225 hazard warning -223
ignition -224
instr um
ent cluster illum ination _ 224 light and windscreen wiper (Series II) -225 load sp':)ce lamp -225 steerin g column multi-Iunction -224
s top lamp - 152
Tailgate priv ate lock removal and relining -187 .emoval and refilling -187 striker plate removal and relin ing - 188 wnsher
nozzle removal and refitting -217
pump rllmov31 and refitting -217 window glass removal and relitting -180 wiper mOlOr and linkage remoyal and refitting -217 Tappets (3.0 litre engine) remoyal -50 Tappets and push rods el
care and maintenance -171 presswes -158 size -15 8
Underframe
maintenance -16. 176 Upholstery maintenance -176
v
Vacuum servo unit (braking system) description -156 lemov~! and refining -156 Valves clearances checking and adjustment -46 . 55 Valves (3.0 titre engine) removat -49 Valves and va lv e seats (3.0 litre engine) examination and renovation -52 Vehicle identification numbers - 8
255
procarmanuals.com