64 Chapter 2 Cooting system
FiO_ 2.6 Rernovino tho viscous drivn '"n (Sec'1)
A 8 ,,,,,',1/1..·(/ ""f' lock/WI (LH /lorr.;,,') c Mudd"," SIIIIJ!III.'/
1 2 F"n hub bC1lr illg (3.0 litre engine) _ renew .. ,t
Remove
th e drivel>el t (Section 10) then unholt th e 1,111 and pulley. Where il v,scous drive 1,111 ,s j,ued. reler t o Sect ion 1 1. but where ,1 st .. m d;ud Ian is I.Uo
7 F,t;r new a~lr.'I1S'OIl "Iug 10 Ih e 5h
"', '
-.'. c
'
13 3 Disconncchng the wiring hom the l(,rllp .. ",lh "C " .. "tic sellt!.:: . WI't
13 TClllporll\"ro !.F'lIgo sonder ullit -rCr1lov(l1 (lnd refilting
Th ... ICIU IIC'J\U'C UauUc scndc. UII '\'S IOCillcd all the ou\le elbow ,II the f,ont 01 t he cnglllC. 2 H(llc r 10 S "C 110n 3 .. nd d';lllllhc coolm9 system s"H 'Clcrllly 10 bWl!! I he level hclow the auilel elbow 3 Disconnect the w irmS) from the unit (photo)
14 EHpimsion liHlk·· .ernOllill .. nd Icfiu ing
Rohlf \0 Sec tIon 3 "nd d'i"" the coolm!1 system suH,c'Cll1ly 10 hun\] the IOllel billow lhu ""honor la p hose. 2 Unscrew the cross ·hcnd rI10urliing screws ,lfl(t 1I1I the lank from t ht: lIIi1cket (photo).
3 D,sconeet the hoses .. m d remove the e~p;ms'on wnk (photos) 4 RellwnU IS iI reyer s,,' 01 re moy"l. but rel,n th e coohng system as oescr ibeu 'n Section 5
142 Removing th e e~pansion ta nk mounting soews 14.3A Disconnecting the side hose ... 14.36 ... and bottom suppl y hose flom lhe
c~pansion t"nk
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Chapter 3 Fuel and exhaust systems 67
Torque wrenc h setting s Fuel P\JlllP Inlet n'
G ene ra l SyS1c'" Iype Idl e sp ce d CO "o,![ ull" Fu el p"mp rfelov(!ry (nHrHrl1lJlll)
SyS1cn, P")~"'''U Fvcll,mk Co1P,lC '(y
Torque wrenc h settings Fue l ,11,>1,,1.,,101
W",m "p "'~11I1;,1O' 51<1,1 V,llvt: A\J~'h;"y i'" duvlC(! Air eh.""I>", Bal1)o I>ull~ Fuel d'SI"hu\or W",nl up '«!lul,l1or (MIO) W,llln·up rC(jul
Gener,,1 description
TI", 1",,1 sy'>I<'1ll <;onSIS1$ of " reM moulI1ed fuel wl1k. il {hilpluo1\Jn1 type 1",,1 1l"'''P d"v(JIl I,om the C,lIllSh
prc .. en ('''Uliat spots or mlsf""'\J .... ·ho)lI the eng"'e h<1s re<1ched liS norm;ll ope,mll1\J lemperJtllle Ihe PV S I, open In tillS condltloll lhe C<1rbUle1l0' '5 connected 10 Ihe
d ,s t"hu!Or v.a lhe PVS.
2 Rouline lll
Check condilion of fuel hoses 2 E>.n''''lle illl Ihc fuef hoses on the eng ine compartment and on the fu!:1 ""'k. for SIgns 01 leilkJge or eletellowt,on. 3 Che ck the secullty 01
)
s!:q uence (jlvcn
Renew the ilir filler element 5 D'$ coruWct lhe hauery. G Remove lhe twO nuts secullng the air cleaner lid nnd remov e tile
N rn 16 to 20
4 to 8 8!O 15
'8 to 2 2
1 8 to 2 2 20 to 27 38 to 45 20 to 2 4
Ibl It 12 to 15
3 to 6 6 to 11 13 to 16
13 to 16 15w20 28 to 33 15 to 18
1305<:h K ·JetfOnic COlltonnous inlCCllon !JOO .1. 25 rpm 1 25 I 0.2 930 a cc cvcry 30 scconds 5 f)5 I 0.25 kUI/crn' (789 I 36 11l1/on') 580 hlrc ( 12.7U
) Chapter 3 Fuel and exhaust systems
FiU _ 3.13 Components to he checked (Sec 9)
A
8
C/u':(:A fur wP.olf alJd (/illlli'f/I.l Clwck '(If .~/I"lIitJfJ
C CI)(xk for hd,ill{J {) Check (Of spfrlling
10 Weller cnrhurettor ""tom,lIie choke - rcmov,]L overhaul
and refitlinu
1 DlsconlH!~1 Ihe i)illicry nC\j
le"sselllhly. 11 Ik"ssemhle the choke meCh'1I11SI11. 12 Relit ll1e v"CUUIll til"phl1'lI)lIl alld hOUSII1,). enslllinu th"t lhe (hilphl,l()fIl IS lIolt before lile housing IS fllted. 13 Ensure thm the O-IIllg is correctly locmed in the choke housinU then reCOllnect the lower choke I",k Position the assembly and secure il WIth the thr ee sClews . ensure thnt the upper choke link loc"tes
cOlrectly tluouUh the c"rlJlJretlOf body 111 RecOllllec t the upper choke Imk to the choke Sp"l(tie. 15 Check the V"CUUIll pull· down
Note: lile pfOccc/
.l.I. .... , •• ,. ••. • .. .• . ,,~ ......... , •• , •• .;..,.: .•• ' •.•••• 1 . ;."
.,.', .,1,,/. 1,,' .. 1 . .. . , 1.,.: .. 1,.1.1,.1 .•. : ...
J
Fig. 3.1 4 F loat level adjustment t
.------
./ /' (
Fig.
/
3 .16 Automatic c hoke h ousing alignment (Sec 10)
A Rich c B Normal scl/lllg
marks
71
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Chapter 3 Fuel and exhaust systems 73
Fig 3.21 Adjusting the fast idle speed (Sec 11)
A Clloke f(llly Olwn ()
the 1:1l!)1I1" alld ;HI)"~;1 lhe lasl ,die s<:rew as llecess;uy 10 ohlain lhe COlleCI la~l I(llf~ 'Ilill 11 Finally felll lhe ,\(I cif,.1ne,.
1 2 Weber carburettor ~ id lilllJ ndjustment
N ote: III view of lfoe illcfem;illg ,1WmeIJeSS ollile d,lI/flefS of exh.lflsl pol/ulioll olml Ihe vefY low levels of cmbol! //Ionuxirle (CO) emission fOI which Ihis e,,,burel/o, is dcsiW!N/. IIIe: slow fUnlling mix/ute: se:l/ill9 ,wd tin' b,lsie idle svlling all WCbt'f e,ltborcl/OfS shoufllllu/lw "djus/cd Wililoll! OW (ISO of a {!fop!"!, CO flfv/ef (c·Xll,lOS! fI"s iflf'lfyser). Bdum CUfluHencillY work ,1150 f(;o1(/ /he flO/t' .11 til<: IW9innilly of Sl'CltOn 9 1 Walm LIp lh(l (ll1gU)(l 10 ilS nounal operalinu If:l1lpCrailH(l 2 COlIIlCCl .1 CO nleler ilnd " lolchol1l(llel. ,I lhe Iilller ,s nOl aire
IUSlrnent of lho mixture (CO levol) w,lIb(l requll(ld. It howevel the CO levcl is lound to be II1COHCCt thc 10110willII p locedwe should be ,ulnp!Cd 7 Rcmove lhe plast,c C
corr(lCl readings me ohwined. 9 Whe,e applicable f it new plas tic cnps 10 the mixture sc,ews. Remove th(l taChOmeler .1nd CO meter.
)13 Fuel tilnk ~ removill .lIld re fittin g
Gn;at c
2 O,sr.onnuct tho !Jallf)ry I,·"ds
c S,.',l/,·" /J/IIY rd,) ,wI lemow.')
3 Syphon o1"y petlOl Ii,,,,a"u!)!) III Ihl"! t,lnk min a 1",,1<11 conwu'"r sUlt
~.* ..... ·0 ~'.~',":L: :~ .. ~" :".~ r~r· .. '.~ . . ' . -
.... ', . ~ , . .
iil~);-< .~:a
1 3 .8 F uel tank StrllP lInd 1!OIt
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Chapter 3 Fuel and exhaust systems 75
;\1.325 Prisillll oul tho re l
cOlll,,,1 IIIIK"!I" G I'll'." Ih" ",,,,,,1 '''','UHrI!l <:lIp hom the IlIi,,;k"l 7 U~"'!I a ~,:",wd"v"r. d"I"CSS tile pl
'o le: If /I" ., IU:(/"I ",!ly ,.~ to "(~ /f.'/!/oVI:1I /("1,:, (0 1""""1';'1"" 12 [)I~.,:,,,,,,,'cl (h" 1",lle,y lea(ls ? r",," liNd" t lw C,II lemove Ihe 1;)(;';1 It""", 1';,,,,,1 II I, '''WII\l:d hy ,,<'I(:W~ (IlHO) OIII""e S{;WWS (LHD) "IIIII!I Ihe ''',II "dUI! ami C;1Il tJ" IUH:lopp"d l,ulll lhe hont l~d\)c 3 n"lllove th" ,u;cole'''lot cilhlc hom Ihe p"dal sha h olS ((e~""h"d III
Secll"" 113
RI-IO variilnls 4 DI~(u"ncct Ihe IHake ope',IiIl1\J IOd ill Ihe b'ake ped;rl. thcn 'enluve tio" I"aslcr cylinder ,lilt! sc,vo lllHI nell" to Ch,lpl!!' 9 101 lUll lol'l
'nl')lll1alI1111
5 WO,kllll) I I"OIl\)h (he ,e,l' bulkhead III the C "IJ"'C vo"'p,"t""!1I1. pull Ollt lire sh;rft "nd S"CUI1I1() chp () Rotate Ihe I1\)ht·h,,,,d Shil l I IIIO'"ltlll\) bush Ih,ou\)h 45' ,n e'lhe' d1lCC1l011 ;)nd pull II Out 7 DetaCh Ihe
AI/models 11 Oetach II", 'em;lIl\ll\Y bush ;rm] clIp hOIll lire shalt. ) To re11l0V" the pedill, pl1se the f!;ln\Je ilway Irom the SPIYO( on lire snail. lhell ,emove the p"dal and sp"ng 13 WI,en ,eflll"'!! tire pedal. locilte the sp''''U on Ihe SPIUOI shall, lilr,, clop th" 11""\)"$ 01110 Ihe SP'\JOIS ilnt! check lhilt Ihe pcd;)1 I"vots
cO"lIetl),
Fig. 3.26 Accele ra to r cable rc moval 1001 (Sec 1 7 )
A _ 250",,,,(10,,,)
() ~ Cell(fe IlUlidl /11 /J!Uv;d" ',1,SL'd -'''ullld ... ,
14 ncllll"'() the pud.ll shilft ,s Ihe ,eve,su 01 Ihc lelllov,,1 IHocerhllC, lolinwlllU whIch It w ,lI he 'H!CUssa,y to ;ullllS I It,,) cailic. "5 d"scllt)IJ d 11 Si,(.t'OIl 16 OIL Rill) v;",allts. dlcck lh;ot the I)(:d;oll"'$ 6 tn 14 ",m (02" 1{) 0 55 'Il) I,ft 110'" the nflu posit 'on If IIo,,"ss.u y ild)"st Ih!! pedal
Iofl up ~!Op !O ach'"ve I h,s
19 1"lc t Ill[l"il o ld -rClllov;l1 ilnd rcfitting
1 DIsconnect (he biltlc,y ne(),1Ilve IUild. 2 D'illli Ihe coolm\) syslem (Chapter 2). ,emovc Ihe d'StllIJU1{)I (Chapl", 4), and remove the C.llilll'et!O' (SectIon 8) ] DI~<:OIlI,,:ct til!! rl!m,IIIiUlI) hoses ;rlld Willi'\) <1 UllSV,P.W the 'nlet m;r,ulold holl~ p'ouress,vd), III II", ",v,,'~r: oldl)I 10 that lflvell II, 1"1) 327 5 LIft 11'1) II,let Ill;H"lold frum tlH! o:yhlHit;, hr:;lds ;",(1 II''''
\)IVCll '" the Spec,fr~.lt'ons 10 The '''lllillll'''\) proced",e IS" 'eve,s,,1 01 ,elHoval rlefrlllhc cool",'J s)'stem WIth Icfe'cnce 10 CI"lpte, 2
Fig. 3.27 Inlet III,mifold bolt tightening sequcnce fo r 3.0 litre engines (Sec 19)
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Chapter 3 Fuel and exhaust systems 77
Fig. 3.29 CUlling the reM o f tho exhaust system to facilitate its removal (Sec 21 )
6 Usu a hadsa w 10 CII I II"Ul'!lh Ihe .e:!. Cxh:!ust p'pe ilhoul 240 mm (94 .n) ItOm Iho! ''';]' ollho I.onl tI:S(HlilIO' (r.O 329) 7 Removtlihe IHII sl:(:IIIIIl!llhe I.:a. sllrm cm hlolt:kel clamp. SWU1!llhc hl"ck,,1 ell,;" ot 1111, sol"nc", :tni! ,,",I ,lcll lit" ",n, e xhausl ~(,CII"n. 8 Ot.lt.1Ch ,1", 11"'110VI) Iho I"a. IIIOUnlll'!IIIIIIlw. :tnd IIIa(.k,,1 clallip 9 Rell1uve Iho hont P'P" LJ r:lallip and dill I oH 1111) Iron I pipe . D"t;tcll Ihe f(:sonn lo' 1I100mlll'!! h.ack", and Ih" wll plpt: 111111. If filled 10 Slilll 1e!11!1Il!j hy SCllhlll\j il nlo"k 115 I'"'' (1 8 III) 1,0m Ih', CIII ends ollhe ,csonnto. 10 Silence. pipe I I POSition Ihc .csonnlOl and ltont II'IX! ilSS(lmhly. loosely SUCIIIC ,110 the hr,'CkC I and man,Iold connCCIoOIi 12 Slide a se.vice sleeve (FlU. 3.30) 01110 Ihe .eson ;IIOf I"I)C. pos,"on,nu lI S end In Ime with Ihe s O lhed ma.k m,llle p.eviously. 13 F'llhe Silence. l)lpe mlO Ihe sleeve up 10 lI S sCli hed ma.k and .ehl Ihe .e:!. StiOIlCt" c l."up ItJo~ly Wilcil hlhll!llhe clamp. ensutc Ihm liS
;IIlUlet! end .s IIpp • .:tlnn~1 111 1\l1!II'lhe I!xhatls l syst"m sn Ih;11 .. I tin 1IOilit IS 'I Ile;u,,' Ih;)l 1 25 "'''' (1 III) 10 "lty i:Oll'pOllelll. o. 1',111 01 Ihe t,,,dywn,k TI!lilteli th\)
• J. ,
.) '. ,
FiU . 3.30 F itting the service sleeve to Ihe eKhausl system -arrowod (Sec 21)
II1n n llol(1 conn(:(:tlon and Ihen screw on Ihe nUlS of Ihe .esonnIO' clnlllflllll111 13 mm (0. 5 m) of Ih.end Pfotrudes Ih,ough Ihe nulS. 15 1'0SIlion Ihe IWO U·dmllps on Iho service steeve and li!Jhlen the n\llS 10 thu IO'IIIHl w.ench sc1ttng Uiven in lite SPCClhC,ltions 1 G [1"" 1 lit,) 1;111 pIpe 111m of "pP'OP".1W thon reconnect Ihe b.ll\e'y. M:ttllhe OllOine and chock 10' 10,lk 5 17 Low,,, the c," 10 Ihe Wound.
PART B, FUEL INJECTION SYSTEM
22 Goneril! description
The 111,,1 "'1"Cllon sySlem fitted 10 Ihe 2 .8 hIre engIne IS o f the COllltlllHlIlS '''IL'Cllon Iype ;tnd sttppltes " p.ecisely conuolled (IUnllllly (II ;I\()lII,":d hll:1 10 "nch c ylt1lde. undo. fill Ollo.nttng condItions.
A U C
Fllel plllllJl FII~·1.1C'·''''IUI •• tul '''mUIr) IWlls",!}
Fi g.
D f F
3.31 Locations o f the fuel illjection system compo non IS
Fuel "'WI G rhemlolime switch
(Sec 22)
K
L Relays ilnd line (lise Im,lu'se module OrstllbulQr/mixture cO/wol "",I W,l. m·up leguliltol H Allxrfi,lfV illf device J Stilll valve
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Chapte r 3 Fu el an d exhau st systems 79
Ii
0) G
\E )
' .. ~ ee)
Fig. 3.33 Fuel injuctiOIl system circuit di
2 Sialicr I/Iolor /) Axll/,-"y ,1i, device G Theo1lO/lmc switch
3 fgnitioll switch E FIII;I/Iump H St,lfl valve
A M,lin con(Iol r(;/,)y F S
8 Power supply rcl.1Y
Tho safety switch is provided to cut olf illl power !O the fuel injection sySl(!m if the air sensor plJIC (mixt\HC COlllrol assemhly) IS il the rest position even if the ignition switch IS all. The s[lfcly switch would ell! off the power to the fuel pump for oillllpic ,I il fllOJllmu W
AI the IntelV
,. ,
< '(:,,~ , • . . ;::~t,·· . , ,
.' ) . ;~ ~~;:;: ~iJ" .. ,
n fr.X l
the engllle 10 'die.
3 Check Ihill I he idle speed is lIS given in the Specificmions ilnd il nccnssary "dlust the idle speed screw 10cllted heneillh Ihe Ihrottle housinv {photo).
Check conditiorl o f fuel hoses " Reier to SeClion 2.
Tighte/l the inlel manifold boilS and /luis 5 Refur 10 Section 29 and lighten the inlel rll
Renew the air filter element 7 Disconnect the h
-
I',
I t, ' .
;
!
" , ' .• I
! 1 I'
: 1'1 1 . ,
I
I '
I
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80 Chapter 3 ~lIel and exhaust systems
24 Ai r cloanor -removal and re filling
1 Remove Iho elomerll as dllsc"hed III Sect,on 23. 2 Work,nn under Iht! left ·hand honl wheel arch. unboll the illr clenne, hOdy f,om Ih e s,de of the engmo compnl1lllen\. 3 Rohuil1g IS n rove rsal 01 tho lomova l I)rocodule wl lh relelence 10 $(1(;11011 23,
25 Main system compono n ts -rellloval "l1d rofitling
Fllel p /llllP 1 Thn hll)1 pump IS loc.lwd "' " lI,hlw.. 1ll011111111U .lUflchod 10 Ihe "!Ihl h"n{1 51th! 01 lhe 11I/,llal1k (phnIO) ') D,sC:OllllCCI Ihe h
'''~t:un'''~.1 11",," 7 I ,.,,.,~'''' the 1I!l11l hoilid Illd 1'lIlk SUPI)(Jl IIII(f Sl'ilP Illell unh(lll ll,,~ lul,I)". mOlllllll'H ami 111,,1 JlUlll!' 8 !'IISf) the pllmll "("n the "'OIull"'!! !) Ilcfllllll!j 's il IUliers,, 1 01 ,emOVi.1
FiU. 3 .34 R Oilr viow o f
A Ink'1 pi,ll}
fuel,HIIl'I) (Soc 25)
8 Fucl'WIII/'
..
) 2~ 1 Fllel pump showing Wlflflg ond oul'el pipe
~ .. . . ~ ~ ... ,
2510 Fuel accumulatO'
Fuel accumulator 10 The fuel accumulatO I is bolted to the Ical 11001 above Iho lear "Klc (phOIO). 11 Disconnect the bflltCly . 12 Releaso the preSSIJle in the system as descllbed in PfllfltJlilph 3, 13 I'lilCO the leal of th e car ovel ,1n inspection pit o. lilise il on ' ilmps O. fldo·stands. 1 4 D,sconnectlhe fucl pipes I,om the lu el accumul,110r and catch Ihe s
Fi U. 3.35 ConeCI 10Ciliion o f fuel filler oullel pipe (Sec 25)
A B Fuel "'ICf Ou/lelll'lle c Engine comporlmenl side p,wel
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