Page 88 of 205

Chapter 4 Ignition system 
Contents 
"'ondcnsc! (30 Iotre cnUIIlC) teslI llU .  removal and rc h1!ln g .... 5 '"tact b.ellkc .  POIllIS (3 .0 litre CIlUIIlC) ,lI 11us1mC lll 3 ConlilC ! brCi.ke<  POintS (30 lIue cnumc) -Hlllloval fllIIl rclr ninH . " f" '~lnb\llo, (1111 CIl\ Ji llCS) lema",,1  .lIlt! .cll1l1n\) (j nhlllOr (28 lilre Cilomo) -overhalll.. 8 D,stributor (30 h\le cnuinc) overhaul . 7 Faull diagnos is  -iUm\loll system.  12 
S rICcificin ion s 
System ty pe 
3.0 lit.e engine 2.8 litre engine 
Convent ional ignition 
Distributor 
ROIDlion Condense, cnp
Iqnition timing 
c 1 !H6 model  yC
Jil 
I',im
Spark plugs 
Type Elect. ode U . 
8reaker/ess  igllilion 
Distributor 
Rotation .. HT lead  rCSlstn llCe . 
Firing  order 
Ignition timing 
Coil 
Primary  rcs,sWnce 
Secondary  resis lan ce ...............  . 
Spark plugs 
Type Electrode {jap . 
,1/ systems 
Torque w rench settings SpD,k p lugs (3.0  litl(l CIl!JUlC) SPD,k  plug s (2 8 hl,e  engine) 
Geller,11 dCSCfll>, ioll 19r1lllon tnnphlicr Inodule (2 8 hire engine) -. emov,l l  and 'Ch1tmO ... ......... ..............  . IUrlltlon timinlJ -ndJuslmcnl . flOulUl!) Ill;untenancc . Spark plugs -rem Oval, servicing an d .cl'!lu \g , 
ConvcmiOllill. with cantilCl tu cilke. Br eake rlcss. clCCltOnic 
Clockwbe 0 2110025  mid 
0 .61 mm (002510) 36" t o <10 · 30000 ohm mOlX"U,uU 1 <1 2  5  3  6 
10"' B1 DC 11\· BTDC 
0!l5 10  1.60 ohm 50001 0 !l300 o h m 
M ot
o,,,,,lt AGR  22 o. Ch;lIllp lon RN 9Y C 060 IlHIl (0024 in) 
Cl ockw,se 30000 ohm Il1
12 * 
BTOC 
0 .
75100.85 o hm 5000 to 6000 ohm 
Moto"ra" Super AGR O .GO mill (0024 in) 
N rn 30 to GO 25  to 38 
22C 0' ChJlllplon  RN 7YC 
Ibl It 22  to 30 1 8  to  28 
10 
9 
2 11 
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        Page 95 of 205

94 Chapter 4 Ignition system 
i ' . 
. --8  2A Removill{J the IllnSlre dust COve, (28 hl'c Cllume) 
./ :, 
, , , 
(\. I , 
" 'v 
J 2C W'''I1!j connector i'Uld  seCUJlIlg screw (lHOwS) 
9 Ignitio n timing -adjustment 
Wnh the (.lIs\"OuIO'  III!Cd ilS dcscllbed OIl SectIon 6, check Ihilt 1Ill! COHCCt llllllng m;l!ks "'0 ;1119110d. 2 To check the ;1111,,11 (5 t;1I,e) setting, .emovc the (I'51"lIu I0' c;lll [11l\( check IhJllhc rOl0' ;lIm IS PO"1I1119 to the No 1 cylmdc. scgmon!.n the Cill) rndlcmed by the sial on the 11m. 3 On the 3.0 lUre engIne the cont,le l poullS ll\u~1 he ,ust SCI)ilril\U'!J Tho e~ilCt Instant C,1" he checked by connect"'u il 12 vol1 lest lamp between the contilC,  brcilke r low tenSIon Iemur),,1 iUl(t O,"lh, W,th the iUnilion Oil, tho d is trlbuto. ShOllld be turn ed nrl\,·clockwisc unlol lho bulb luSlligh(s. " On (he 28 li(re enuule the ("gger arms and stator ;HIllS must bc aligned It not. (um I he (hst"bulOr as  necessary . !:i Tighten the (hSI"buto. clamp boll and .ehl the cap 6 Set  In thIS way the lUlling WIll be alll)'Olmalely co
, .. 
8 2B UtJlle. vIew 01 the l.imJer Mrn .lrld Call (28 lIt  Ie enU"Wj 
.1 
,I, 
.. .." 
8 20 Vacuum un.1 sC(:u"ng screw WIth e')Hh lead termmal 
10 W,lh Ihe enij1l1e I(lIrng pornt thc \fmlng hgh( at the cr",lksholl1 pulley The wh,le 1),1mte
hne 
12 To check the mechanrcat adv.1nce.  Increase the engIne speed and note whelher the wh,te malk on the pulley moves away Irom the mark on th e pOInter . 11 It docs the mechanical advance is lunctioning 13 W,th the enOlile Idlmu the  vnCU\ Jm  advance can be checked by suc kIng the oldv~ncu pIpe that W.1S removed from the carburellOI o r air box ThIS should also c.Juse the while rnark on the pulley to move away horn the  mar k on the pointer 14 On completIon remove Ihe timlllU hght and rC(:onnec lthe v.1CUUIll pIpe 
10 Ignition illlllllifier module (2.8 l i tre enuine) -removal and rClittinu 
Thc Iunitlon illl\J}l lflcr module is locmed on Ihe left· hand SIde of the engIne COnlpar tment. tUSI behind Ihe hOnt suspenSIon strut upper mounting. 
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        Page 191 of 205

Chapter 11 Bodywork and fitting 
I .. 
" 
;1' , ~ 
! 
) 
! 
Fig 11.20 Sunroof  front g
' I ',  
Fig. 11 .21 Sunroof reM U
FiU .1'.22 Sunroof heiullt adjustment (Sec 33) 
Neighl adjustment 8 lhll lIont edge 01 the SlUllool should he lIu~h with. o r 1 nUn (004 Ill) heluw. the edUe 01 the Cill loul Th" W
9 Proceed 
34 Sunroof -removal ;:H1d refitting 
Open the sumool. then m,uk the pOSItion of uoth guide pm assemblies Remove the Uuide pins 
!',",sition. 
)
llft the hom 01 the sumoo! Olll 01 liS opening. whIlst tu'ning Ihe handle unlil the screws l
acceSSIble . 
4 Unsc,ew the cable and hit Ollt the complete Slln,oo/. uldudlll\J the b,lse ~ssemhly. 5 Unsclew the hnndle assen1bly. pllil out the handle Jnd escutcheon then ,emove the button conllol RenlQve the cup. G Unsc,ew the gem beming. then remove il. 10geth(1< with lhe plllJon_ 7 Move the cable so th;]t the g,ooved dowel pin ~ppe
(a) Pull t/le bullOtJ clown ,md lum Ihe h.un/le fully clockwise. which sho!llcloow be ,lpptoxim.;(ely 30 degrees ahead of ils original POSilioJ) opposite the cup of the h
11 Insert the Sunroof  IntO the opening mId ~tl"ch th(l  c
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