
46 Chapter 1 Engine 
35 Vnlvo clearances -checking lind adjustment 
Adll'S 1 the inle t Jnd c~h"ust villvc  clcnrnnce s when lho engine is cold, he lween 20 
S llcclfled thickness hetween Ihe lock e ' ,'1111 :lnri the vnlve stem. ArlluSt the cl("II:lncc. It  necess,"Y. hy hlmong the lOCkCf null ndJushn!,l screw 1011111 the speCified  cfenlnnce IS obtained (1Ih010) Inle t nnd edlo1u~t v;,lv'~ cle;IIances a.e rh(/.!.ell\. 6 II the engine IS now IOt,~tcrl '/301 II hun the v.1lv .... s 01 N o 3 cvlll"l!":r w,1I he rockul~J ,111<1 the v;olv"s 01 No ,I CVlll,!s,!r r..1I' he checked ,lnd I1dJus t()d . 
7 Proceed to ;"Idlust Ihe  cf":II:II'CCS .1I:COrdrn\1 1 0 th" '''rnO o!(ler ;"IS lollows. F,U 1 .8 shows the cvlOildel  IHHllhe.s "nd valves Irsl .... d OIl tllell eou eer o.rlcr. wo,k",U Ilorn Ihe  llOlIt 01 the  engone . 
Valves rocking No 5 Cldimler No 3 cylm(lcr No 6 cylmticr No 1 cylll/tier Nu 4 CylllltilH Nil 2 cylll/tie, 
Villves to ndjust No 1 cyltll(lef (ill. ,'x) No" cyllmler  (III. ,'x) No 2 cylm(lcr (ill. ex) No 5 cylilltier (cx. ill) No 3 cylmdcr (ex. IiI) No 6 cylimft'r (ex, ;n) 
8 r-11 the rock er COV~!' U,1skcIS ;IIHI rockc. covers (photo). T 'Uh ten the S(!C'''rI1 !) holts to Ihe speCi fied  twqllc 
~:j?0 
ex-0 
(;\G-in 
~G-E'X 
r:\G-in 
0G-E'X 
ex---{) 8 4 G-in 
. n 1 
in--v FRONT "'"" 
of 
Engine 
Fig. 1.8localio n  of inlet 
l 
I 
36 Engine anciIiMies·· ref itting 
Rcle' 10 SCClrOIl 8 "ud rul,t the Irsted COllllJor""'t~ \Vllh  rele,erlce to Ihe Chaple,s mtl'C,lh)(! 
37 Engino -refitting 
Rcf,wn!) the cngrne '$ D reve,sDI 01 the ,emoval procedure given or Section 6 . hili III Ddd,uon note Ihe lol/owing pOin ls 
(,l) (b) ,oj (II) 
(c) 
Llyfuly (frc,lSC fhc yembox illfml shaft Ch~'ck 111,11 /h,· clulch rcle,'se ,11m IS correctly loca/cd AdIIlS/ Ihe CfffU;h  C,l"'C as (Iescfibed til Chilpler 5 
Ad,US/ Ifle  tcnSfo n of Ihe powef sleell;IY pump ilnd ,,1/emilIO ' "nvd1ell(s) ,IS (/eSt'nlwtilll CII,lplefS  10 alld 2 respcc/ively Fill Ille COQIIIUI sySlem (Ch.lp/er 2) "1/(1 powcr stecling SYS/VIII (ell"!!I,.:, 1 0). Illen I,II/lic Cflgine w,III 011 (Scc/ioil 2) 
38 Engine -in,t;"l stMt 'lIl)  ,,/ter major overhaul or rcpnir 
M"ke su,e thai th.:: h:l1tc1y ,$ fuliV cha,u.::O  '!IId Ib,"" alliub rrcafl tS coolant and lucl ,lie '''III''''',sl,..,,, 
.... ~ __________ .................................. r 
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58 Chapter 2 Cooling system 
Goneral descriptio n 
Tho coo1inU sys tem IS of tile flfCSSll"sc d type  consiSling of 11 helt·driven pump. h0l11 mourllc d .ild,ator and thermOSI"! Th e hClt·rhrvcn 1,111 IS of SI;mf!ard type on carly models, bllt of VISCOUS drive IYlle ( l) holO) on lalC I models. the lallci  jllCOrPO'ilUllg iI speed 1I0)'I<1110n (I(!vkc, On 3.0 hue cnOllles t he IhcollOSlill IS IOCillcd (I( tho,'! 011 tiel to tl lC tOp hose. but  on 2.8  htre  engines i, is localcd on the 11110 1  hom 1ho baliom hose . Lmc. models 
 
Fin. 2 .1 Coolinu systelll (3.0 lilro cngine) (Soc 1 ) 
Fig. 2 .2 Cooling syslcm (2.8 litre engine) (Soc 1 ) 
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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
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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Chapter 11 B odywork an d fitting 1 93 
)~--------------------------~-- ------------
Fig . 11 .2 6 Heilter control cil blc  1Hljus tm ent 
on SlHn (IMd heilter  (S ec 40) 
A (),.\·/"UlI/Ot flajl COII/ro//aVllr 8 I/Cgll/;I/O( Il.7p con/fo/h'vt'f 
"'!ovy dilly IIfHltOf Chl.-r.k thilt Ihe d'Slflhutor 1I"p levc. ,HId WilIC, cont.ollcve. (FlU 11 28) we 011 Ihc cnd ollhl)"  Ir,"vel  ilnd clamp Ihe oulC, cablcs "I \IllS lIon. 
AlllwMCfS 5 On complct ion. reconrWC I Ihe  ulove  comp;lr llllent  liUhtinU  leads. 
Ihen  lelil Ihe  Ulove  COllll)nltrllell1 nnd reconnet;1  Ihe  hnllelY  emlh  len {1 
41 H OMe r controls - removal and refittinu 
1 Disconnect Ihe ballery eimh lend. 2 Rcmove Ihe s teer ing column shroud (2 screws D tthe bOliO",. then pull oul .lIlhe  lOp). Lo wer  thc stee.ing column (lel\Ving  Ihe  twO bOltS in position) sufficiently  to ullow t he inst.umenl  cluster I rim to be remOve d. 3 DIsconnect Ihc switch 10MIs ;lnd remove the instruments cluSIO' t"m. COllll)lot e with cowl "im (11 screws).  Rcmovc the instrumont clusle r l!clOI (3 scrcws). 4 Pull oil Ihe  hOiltor control knobs. II t his IS 1I0t possIble  I>
.. hc neccssmy 10 adjust th e callies. as dl.'SCfllled III the p.evlous ::. .on Also it w,1I be necessary to obtall1 new hCille. control knobs where npphcable. 
42  HCHte r 
water villve (hellvy duty heater) -IC lll oval an( 1 
refittin g 
Drilin 
the engine coolant  ilnd dlsconncct tho lowe. hosc !rom th c ,aulato. (,efe. to Chapter 2. II necessary). 2 Disconnect Ihe th.ee water hoses f,olll  tho Wille.  valve. 3 Removo  the OUWr cilble from  the  clip on the WilWr v~lve bracket. 
Ihen  lenlOve the assembly from the bulkhead (2 screws). 4 Twis t  the wate r valve.  to disconnect  the cable  IrOI11 the operilt ing 
l ever . 
S Relilling is Ihe  reve'so of the removal p.occdure. during which ~dJustl\lcnt should be m~do. as described in Section 40 fOf the heavy duty healCf On completion. re li t the rudiutor hose and fililhe cooling SYSt(:rll . us described in Chapler 2 . 
43  Heater  assembly -re mova l and re fillin u 
1 DlsconnOCl lhc tJiltH:ry ea.th ICild. 2 -,,,in the COOIIlI1l. rei!;fliny 10 Chllpte. 2. II neCCSSilry. 3 sconnect  th e  Wiltcr hoscs from the hoale.  he;!t e.chanuc. (phOtO). II I>
- ' = 1 --·-~··""I c, 
'1,:-1 
F ig . 
11 .27 Heale r COl\trol cilhle ncJju stm ont on heilvy cJllty hl"latot (Sec 40) 
A /),., ·{n/w/III If,}!, CQII/lo/ft'vct 
Il"'·I·"1>.1 VU[ CO""'OL U·OL( 
".."Tt"CO""'OL -NIL\[ 
Fig. 11.28 Willer varv e o n heavy duty heilter (Sec 40) 
43.3 H eiltel water hoses 
i , , . ,, 
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inlet manifold - 83 
main  system components remova l and  refilling -80 m~intenilnce, routine  -79 
specificiltions  -67 to rque wrench  settings  -67 Fuel pump carburettor system cleaning - 68 re moval and refilling - 68 
testing  -68 
fuel inject ion  system removal and  refining  -80 Fuel system (carbureUor) accelera tor  cable -74 
accelerator  shah and pedal - 75 air  cleaner - 68 
carburetlor  -66, 68 to  73 
description -67 e~ haust manifold - 76 lault diagnosis -85 luel pump  -68 fu el wnk -73, 74 fu el  lan k fille r pipe  -74 fuel tank  sender unit -74 inle l manifold  -75 mainte nance, routine  -67 specifiCiltions -66 torque  wrench  senings - 67 Fue l tank cleaning and repai r -74 
filler pipe removal and  re fi\ling .-74 remova l and  refilling -73 
sender uni t removal and ref il\in g  -74 Fuel tank sender unit (fuel injection models) -83 Fuses 
G 
general -220 specifica tio ns  - 199 
Gearbo~ see Manual gearbO K Gudgeon pins - 37.  52 
pdbrake adjus tment  -153 cable(s} and  rod removal  and refilling 155 lever removal  and refitting  -154 
warnin g hght switc h  -225 Headlights alignment - 212 assembl y:  removal  and refilling ~ 211 bulbs  renewal-2 13 Heater assembly:  diSI11(lntting and reassembly 8ehr - 19 4 Smiths standard  and heavy duty -196 assembly: removal and  ret.tting  -193 contlols 
adjustmen t -192 removal and refilling ~ 1 93 water  valve (heavy  dUly heater) 
removal  and re fitting - 193 History o f tho nlodal-5 Horn faul t tra cing . remova l and refilling -220 Hubs, front 
bearings renewal -162 removal. ret lu in g and  bearing adjustment  -16 1 Iraulic systam (brakes) bleed ing - 152 pipes and  hoses removal and refilling  -151 
Index 
Ignition switch and lock -224 Ignition system -87 el seq Ignition sys tem amplrlier  module (2 .8 l i\(e  mode ls) 
r emova l and refilling - 94 
condenser (3. 0  litre  models) -90 COntact  bre aker points (3.0  litre models) - 89 
description  -88 
dis tributo r -
90. 92. 93 fau lt diagnosis  -96 
firing  order -87 mainteMnce. routine  -88 
spare plugs - 91. 95 speci fications  -87 
t im ing -94 
torque  wrench settings  -87 In strument cluster ill umina tion switch  -224 removal  and refitting _ 221 Instrument voltage regulator removal and refilling  -226 Interior lamp and bulb 
removal  and refilling -217 
J 
Jacking -7 
L 
lubricants and fluids recommended - 17 lubrication chart - 17 lubrication system 
M 
2.8 litre engine  -39 3.0  litre engi ne -53 
Main and big·eOld bO(lrings e~amination and renovation  -37, 52 Main bearings (3.0 litro engine) removal - 51 Maintenanco , routine bodywork and fillings d oor  ch ec k straps  security  check - 16 locks, door chec k Straps.  tuellilte r C
h andbrake linkage lubricat ion  -16, 144 
h ydraulic  fluid levul check /lap up - 16 . 143 hydraulic flu id renewal -16.  144 
line s and hoses check  -16 
pads ilnd shoes we." check  -16 , 14 3 servo  check -16 . 144 vacuum hose  check -16 Clutch  adjustment chock -16, 98 cooling  syslem 
coolan l leve l chec k/top up -16, 59 coolant  renewal -16, 59 drivebelt condl tion/wnsion check  -16, 59 leaks check - 59 electrical system 
ballery elec tro lyt e leve l cheek /top up - 16. 200 equ ipmen t opera tio n  check  -16. 200 headlamps  cleaning -16 
253 
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