·06 Chapter 6 Manual gearbox and automatic transmiss io n
disengilge the gearbox inpu t Shill! hom ,ho clutch p,Iot bearing ,111(1 clu tc h friction disc. I, is imporlanllhal,hc engine and transmi ssion <'lre kept in lino while this is being done. 14 When the gearbox shaft is cleDr of the clutch, remove th e
tran smissio n assembly from bCn(!illh the car.
15 When refiuing, ensure 1il1 the clut ch pilot h earing in the end althe tfilnksha h is ill plilce Jncl is scrviceDble. Tic the clutch lever 10 the clutch housing, 1 0 pr(!venllhe release le.rertrolll slipping out while the ,Wnsmission assembly is being lined. 16 Smear some molybdenum-based grease OntO the end and splines 0' the gearbox input s!mh lind refit the gearbox by reversing the fcmovili p.ocedure. 17 II is impO.IMll when offering up the {jOMOO)(. th,lt il is e~
slightly until the splines enter Do not iluempltO lo.ce the tfilllsmisslOn
ontO thO enlJlnO ThiS Illay (i
'8 Ahe •• el,uinn has been completed. chuck the 011 level Ifl t he .r
Romoye the lou. bolts hom the 1011 cove. 01 the t.ansm.sslon c~t()"sion housin!J ilnd f.om the lri"'snHs~ir)Ol eo'S<' Ilcmovflthc \:oye. s.
t.1king c
R emoYo the .eyerse idle , shah by sc.ewing a suitable bolt into Ihe end of Iho shah and then leye.ing the Sh;'lit Out uSing Iw o open ·ended spanne.s. Fi\)
.
6.6 Removing the seleclor 10lk rolillins (Sec 4)
A CIfC/'11
Fin. 6 .7 Revorso gear interlock nnd light swil c h (Sec 11)
A Ravelse liyh, switch 8 Swing C Plf/ngcr
o h!/ellocl< ball E Sc,ew IJlug
Rct.1ininy bolt F
5 M
Remoye 3rd/top gear s yn chron ise. hub ci.clip Ense the hub amf
thud gear lotwald lly lel/erinu the,n gently wrth a p
their condition. Smear all Pi/ItS wilh tr3nsmission 011 befo.e fitting .
9 Reassemble the synchroniser sleeve and hub so that the nlafks on thorn align . Inse.t the sliding keys and 1IIIhe shdrn\) key sp"ngs so Ihat Ihei. open ends afe stagge.ed re lat ive 10 each other
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~10 Chap ter 6 Manual gearbo)( an d automatic transm iss io n
operlltlon. looseness between the inner ;mel oulC. ';)ces. imd 10f genera' wear. NOfIll.llly they should be .enewed on a gearbox lh<11 IS being .ebuil l. 8 II Clther 0' the synchrOnise. unllS ;nc WOUl II w Ill be ncccssmy 10 buy" complete assembly as the Pill ts ,lIC not sold individually. Also check the sliding keys 10' we;'!. 9 Examine tho ends 0' IhO scl(!C I(ll' lor ks where they rub "g.1In51 the channels in the peJiphery of the synchrOntSfl f units_If I)()Ss,ble cOIllp.."e the sclecw. lorks with new Units to hell) dC1Crminc the weill lh,,1 h,IS occtJUcd Renew thelll " worn. 10 If the bCilring bUSh ,n Ihe CXI(mSlon is b;uliy worn II,s OOS110 [
When any hOlt screws "110 a throuUh hor". JOllll11\!J COlllpnulI/t Should hc nj)lllted to I he lhwads 011l11! holl helorc It ," InS/"h~1 2 Fit Ihe /cve.so Idle. He"r WIlli Ihc It,oolle on the !le;1I tuw;IId,. Ih,' lenr.lnsel! Ihe .dle, s h ah nnll dlllle 11111 with .1 pla~t.c·IIIl:IIIt].1 h;""""" unllllhc OOltOnl ollhe Slel) on the end ollhe shalt.s IIIIsh WIth lhl! ,,11.1 0 1 the gCJloox. Thc mIlled "
FlU. 6 13 Apply 101ll1lng compoullll to the threilds 0 1 Ihe bolts. lIl~e
0,1
the new IIlput sh,ll! ncedle rollel heilrlllg ilnd push I t 11)10 tllC oJorc 01 the input sha ft Slide the lOP gC(lr synchroniser baulk IInu on to the cone olthe IIlJ)u I sha h 8 FIt the extension houSll19 gnske!. lhen InSerl the ,1s~",hlcd mainsha/t into Ihe rca. 01 the box anll (frille II III untIl the nose 01 Ihe Illalnsh~h is fully engaucd in I he II1PUI shilh necdle l>c,l11nU 9 Carefully lu.n the ge;ubox upSIde down. so thilt the layshalt \}e,lr elusler dIOI)S mto engJgelllenl with the malnshillt Jnd IIlpIII shalt Check thilt the gear and the two lluust wilshe.s il.e III line and then c,l.elully push in the layshalt from thc leal. If necessary till) Ihe S h ,ll! In with the p lasuc·headed IHI/llmer. bllt take grC;lI CJre not to dlslodUe Ihe thruSI washels or needle .olle.s . When fully home. the h Ollom of Ihe slep on the .dlel shalt shOuld be In hnc with Ihe face 01 the box and Ihe mIlled flats should be in IIno wllh the Idler shalt oo.e. 10 Turn the geilrbo~ the lighl w;ly UI) Jnd align the hole in the 1>.111 bemll1g SUpj)Orl WIth the dowcl on Ihc cxtcnsion housing. Fit the eXlenSlon housing. Apply jOlllllnu coml)ound to the ttlle<1ds of Ihe bolts. InSClt them and tightcn 10 thO torQuc wrench seHlng gillen In the SpeCll l
C3tions . 11 1/ a new cxtension bush has been fllle(1. check Ih~t the notch 01 011 groolle III II ilhgns wllh lhe o ll,elurn grOOlle In thoJ extension housing. If thc now exlension housinU 011 senl hilS not illready been filled. slide It Ollel the extension Shill t and enrelully tap it in wilh n h~nllller and n
b lock 01 wood.
1 2 FIt J ncw O ·ring to the spcedomeler pll110n assembly. relit the ~Sembly and f it the C llcli l) to socure i1. ,3 Inser t the r(,lIerse gear interlock plungel. ball and spring. Fllihe boll with aloek plate and lIl$crl tI,c l.Iol t. TIghten the boll and bend Ihe lock plilles to seCure ,to
Fig. 6.1 3 Posilionin g of Iront hearin\} .e lainer oil return \}Ioove (Sec 9)
=-*.------t---.---- ---
FiU . 6.14 R olitting the Inyshaft (Sec 9 )
A hlSC//ing /,1vs/!I!f/ B ClJflec / lIi1:qlll!!efl/ of /,J)'$/I,III illld 'fJve.se IdlfJf sl!,lfl
1/1 Insert ~II Ihrce selecto, 10l~s Into Ihcn I)ositlons 111 lhe gearl)o~ 15 Shllc 1~1/2n(1 \le,1r selector ,,111 through Ihe r,ghl-hilll(1 bo.e mille
I:ilse. Ihell tluead ,t through the 1 S I/2nd gCM selector lo.k Align Ihe holes 111 tile lo.k and r~11 ,111(/ t<1l) in the 101l1)ln. Insert the plunUe/ into thc c,lse 16 FIt Ihe pltlllgc/ '1110 Iho 3rd /lOI) ge,ll selecto. lad. inscrt lhe 'illl
t h .ough Ihe ccnHe hore III the C,lse ;lnd Ihread the raIl Ihrough Ihe 3rd 101) gea. sel()(: tor lo.k. Fit the clfchp to Ihe groolle ;n the se lecta' lilll Ahon Ihe holcS III the selectol 100k and ,;lil. insert the loll pIn and lal) .t home. 17 PUSh lellerSC gc,'1 seleelo, r;llt Ih/ough Ihe lelt·hand bore in the hou$"'g. and then thread 11 through the rellerse gear seleclol fork. Align Ihe holes III Iho IOrk and 101.1. inserl a roll pin and tap it home. 18 FIt Ihe interlock plungC/< apply sealing compound to the plug and dfille In Ihe plug 19 Inse!! ICllerSe ueJI ,clay lever and secu/c it wilh a roll pin. 20 Inse't thO sCleCtOr shalt ItHough the selcctol housing COllel and fit the co~er using a new gaskel Insert the COlier rewining bolts and screw them in Iingel lIghl. 21 FII the sel/lCIO' sh:lh b'lIcket 22 Shdo lhe S(lIOClOr flnge. onto the selec tol shalt. Eng~gc the strew III the ,ece~~ in th O shaft ~nd tIghten the sc rew. 23 0101) lhe Ihloo dctent ba lls 1I1tO thcir bores in t he casc. g1Case the thleo sprinus alld Ilise rt thcm Into the recesses 01 tile yeJ.1>ox COllel. FII
a new COlier gasket and positIon Ihe COllcr onto II Insert the COllel holtS and tlghtcn Ihem to tho 10Ique wrench suiting (Jillen III lhO SpeClf,callons
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Chapter 6 Manual gearbox and automatic transmission
3 Unscr(lw .1ml remove Ihe reversrnu IrUtli SWilch (rhOIO). 4 UnbO lt the clulch bellhousrrl\J f,om the /,onl of the ge~rbox. Removo Iho gaske t 5 Unscrew tllo bolts .111<1 w,thdr
7 Inve,1 the UflilrllO x
I I Select revct~e !Ica,
12 Unholl and removc Iho extension housing Irom the ,ea, of Ihe
!)en,box . t1 nece5snrv lilP tho housing wrth a soft·/aced mallet to releilse ,I t,om 1he dowels. Removo tho gnske ! {photo}.
13 P"se Ihe cove, from th e ex 1ension housing Dnd withcfrnw the speedome1e, d"vc\Jenr (photo). 14 Selec i neut,
)
r
I
~~ . '
~~~,.,::
11.3 Revc,sm!t lilmp switch 1 1.5 Clutch rdense 1.K.'111"'!1 gu,dc sl(:cve 11.6 Tal) cover and tPske
I
( j • , .
'r" i'
I ,,J'" , i
I I
Ji;:;:~"'-'--·ft ; . -. '" . I
•
.-~:~'':''-'',:.-.,
I .-. " J
11 85th \)e;II lockrrlU plilte 1 1.9A 5th eil' lock"' SP""!t 11.9B 51h !)C
11 1 1 B Ilemovong scle<:tor shaft connector
c
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121A EXtlnClinn 3rd/4lh synchro cuclip
, .
" '11
1" I . ~ .
~.
:j
12.2A 2nd ge~1 thrust wllshCI rewining ring
12311 2nd gOD! h~ulk rmg
)
125 R"r"ov"'g speedometer d,ivegclI' (nrrowed)
12.111 Rel11ov"'11 3,d/4Ih synchro ilnd bnulk "n\l
, ~j.
,~
12.28 2nd \)(1,,, Ih'rrsl w,,~her ~"IJrrH,rrl
12.4A 1 sl /2nd synduo ~Ie"v(! wrth reverso ge~r
1 2.7 EXlractrng m~rnshilh hca"ng ci,clrp
12.1C RemOVln~13,d Bt,nl
12.3A RcmovlIlU 2nd uonr frOIll lI1~insh1lfl
, .
12411 Syncluo shdlll\) keys
128011 scoop rll19 on 1l1~,,'shJft
灲潣慲浡湵慬献捯m
18 Chapter 6 Manual gearbox
reassembly lubriC31C the components WIth geJrbox oir and where new p.).I$ alc ooing lilled ligh tly grease contact sullaces. 11 Commence reassembly by assemb ling the synchroni se. units. Sh(IC the sleeves on lhe h ubs in the ir previously noted positions, t hen insert
the slodmg keys .-mel f" Ihe springs as Shown on Frg 6 .22 .
12 SUllPOrl th e inte.rneelrate housing then. USrrlg a mewltube on the oute, I rack. drive in the new l.loarrngllnd lit I he cirelrp 13 F it Ihe sprrng 1 0 th e rea, 01 tho 1 sI,2nd s yn chroniser hull followed by the 1 Sl gear synchronise, 'ing (phOIO) 1 4 Sl ide Ihe 1 S l go., r and oil SCOOp rin g (wilh the oil uroove 10 w ,lIds 151 \lear) \"lniO tho mllmshafl. 15 Us,ng a metal lube on th o maonsh.11t he"rnl{) 'nner Ir ,lck. drive th e 'rlle,med,.-Ite housing Onto the ma'llshllh nnd 1'1 Ihe circl'll. Make sure hm Ihe larg e c"clip.s IOwards the rc." ollhe m,'"ls haf .. 1 G l ocate 51h gear ilrld the 51h goa, synchronrse . wilh Crrchjlloose on p m,llllshilft . Taplhe speedometel drrvenco1l Iogh.,y omo ,ts shoulder "~S lon"l j.lOsOIOon w,1I be de lerm,ned filter (,11\0\0) 17 F, . the 1 stJ2nd synchronisc r s'eeve 1 0 Ihe huh on 1\5 prell'ously n Olod posit,on wit h the selce ,ol groove 'ilCmU 10 rw,lrd. Ih,,,, mscrl the sl'd'nU keys ,1n(l lilt"O sp,ings as shown "' r-,U 672. 18 FIl the 2nd ueil' sync hronisc! ling to the 1 sl/2ml synch't"lIS'" "'HI wolh the shtllnu keys located in the slol~. HJ Slid e 2nd ge<"ll onl0 Ihe front 01 th e (ll ",n Sh;lh <"Iml rC1
""'=~~ ';e:o/l -~ &;J -~;V
Fig. 6 .22 Alignment of syn chroniser spring clips (Sec 12)
12 .1 3 lSI/2nd synchro sp ring
FiU · 6.2 1 E~plodcd lIi(!w oJ sylldllOlli s(!r ,,,,,I (Soc 12)
/ Sh(llIJiJ A,·y.~ 2 SPIIJIY
,
I!l1. '. ~~':;.'
1 2 9 Illt!lHnelhme hOllsm!j he ... ",,!) Cllt:i,p
1 2.1
6locatiny the speedometer Ifrillegellr
3 N,,1> ./ S","cv~'
dfO:. , . ""lJ' . ., ..
~~-.••
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) Chapter 6 Manual gearbox and automatic transmission 119
11. 1~) 2nd (Ie", [Inti thrust w,1shcf h.1l1. showioO t .. llloctltinu hole
(",,()w~d)
20 Slide 3ul \jC,lf 01110 the f,aiH 01 the mninsh
13 Input sh(lf( (S·speed) -dismantling Dnd reassembly
!'ld!;! to Section 6
11 GCil,ho)l ([i·spced) -C)lamin,lIion [In(1 rcnov[ltioll
Ref or 10501:[ '0 118 hut now the lollowlng pOllltS :
(,1)
111<:,,) ,1fI! five sYllcll,v rillYs (h) /IlL' I"yshlft lI[1s 110 IIIlIIsl w,lsllt"s (e) (lielL',1ro IWO ball-/)cmiIJYs ,lrId olle ,01lcI hCMiny (d) Wile" ,cnewi"y Ihc IIL'cr/lL' ,01lcI /)(1,1/ill[lS ill I!lc I,Jyslml/, (ISO wllels 25 75 111111 (1 OTt! ill) fony. IIlhc Oligin,ll ,ollers W{!lC 33 111/11 (T 299 ill) lony, two exll,l space's will be requi,ed
(Fiy 623)
15 Gcarbox (5'SI}Cc(l) -rC
Fit the \juidc to the leve r 3 Posit ion the reverse idler \Je~r in the m~in cDsill\j with the Ion,) shoulder facing the reill and en{lllued with thc ,eiDy Icver. Slide ill thc Idler shalt lInci t
)me from t he SMne l"JilCk It more than one pDck is purchased, do not ,ni x lho needlc rol lers from sepilrate p~cks. 5 Insert the layshJlI in the gear cluster unlil the front of Ihe shah is flush With the frunt \Ie~r on lhe cluster.
1221 3 r(I/41h syl1chro unit
Fig 6.23 Layshaft necdle roll.)/ he
G Loc,.tc the lilyshah iln!! gCilr ell/stP' III tho hOllom of the .11il;n
caslnu_ 7 Pos.1I0n ,. n(.'w \Jaskot on the Ill;nll (;;05"'11. Ihen hi the mllinshah ilnt! inlCrll1ed"l\C houslIlg. and IClllpor;I"ly secu.e w,th twO bolts. 8 Fit the mll"t Shilh needte roller heilrrn\J to the end 01 lhe mainshJlt
or In the centle 01 lho input Shilh (photo).
.....
,
~
; , .. '-; . '. ~, .
,
15.8 Input sh
i 1 ,1
I
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)20 Chapter 6 M anual gearbox and automatic transmissio n
9 F it the 4th gCill syncluolliser "n9 to the 3rd/4lh sym;luOI"s(1f 'HUI with lhe c:ul-outs over the slidlllg k(lYs. then fit the UlPUl shalt asscnlhly i]n(l lilP the bearing fully into tho casing up 10 the rclo1llunu circtip (photo).
10 Invert Ihe \jCo1rilox so Ihil! the l
12 Us;n!).1 mel,lilllbe. lilfl the Inyshaf gear cluster be,IIPI'!J 11110 the inlcrmcd'
15 Seleci neulrnl. then slide 5th ge", IlItO mesh WIth the driVing Be",. 16 Slide the 51h gem synchroniser unll complete with sp"ce[ Onto 51h Oll"r. Then. usrng.l metal tube, drive Ihe dO\1 huh "lid 51h synchronlser flng OnlO Ihe 1ll",nsh,,11 splines whIle UlOld"l!) the synchronIse! 111111 onto Ihe shdlll[J keys. Fit the circhp (pholUs).
17
T"p Ihe sp eedometer drivegeilr "HO ItS COrreCI poslilon on Ihe mollllsh"ft -the dlsWllce belwoon Ihe HeM 'Illd the 5th gO,l[ dOll hub c"cllp should be 123.0 to 1 24 .0 111m (4 843 10 <1 882 Ill) (nhoto). lB Loc"le Ihc 5th He", selector fOlk In liS syn ch ronlSN sleeve "nd loc"le Ihe Interlock sleeve in Ihe uroov", hhol! Shollider 10 front). then InSurt the seleClor sh~1t through the sleeve ,1nd SeleCIOr fOlk InlO the "'aOll r.,lsll1\J (photo).
19 LocnlC the lSI/2nd "nd 3rd/4th Sf)I'~rIOr IOlks 1(1 Ihell respecllve ~Yllcillonlser sleeves. posilion the selectOl !ross
20 If If!rnoverl. 'ef'l Ihe seleCIOr sh,,11 (:"nlr,, 11~1I1!1 sprinU ",ui 51h \Ie",
.' /
15.9 FI1l1I1\1 Inpul shnl1 15.11 L;,ysh;r!t corruc tly located hefore inst,111,11101l 15.12 F,ltintllile Inysllilft hearing
15. 14A Tlghtelllng thc rn"insha fl nut
15.16B F'lllI'\) 5th genr synchlO to m~inshalt
15.148 Slak,n\1 the rH.lloslrall nul
15.16C 5th \le,,, haulk flng Jod hull
15.16A 5th gem synchro spacer
15. 160 51h gear hub {:ilchp
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1 Chapter 8 Rear axle 133
Fig. 8 .1 CrOSS-Sl!ction o f cnrlv rCilr ;1xlo (Sec 1)
A Fixed /ellglh SIJ.1C(!f B Pinion slum
2 Routino mnintcnoncc
C Dd1clCII1.11 S/II"'$
At lhe uHerv"ls specIfIed 111 the HOlltmc M.111l1cn;mc c SCCllon III the 110111 0 1 the mnnu;1I c""y oul the following p,uccdw(!.
Check fcar axle oil level 1 Jilek lIlllhc IvaI of the Cil! ;uHf suPPOtl on axle ~I"nds T o C!lSI'''') li1,'l Ihe Cilr is lellel ;,150 I
3 R e
posi tioned lIancnlh the sid(Hllemhe.s . Cho ck thc tronl wheels and rcmove the .ear wheelS . 2 Mark thc p.ol>elle. sh;J1! ilnd .eil'
t'ansverse ,od from the .ea. (Ide wl,h refalCnce 10 Chal >!el 9
5 CI
COUAPS'8ll -----i--i!~e"'.!i SPACH'
,
Fig. 6 .2 Cross·sc ction of I"ter rear Ilxle (See 1)
Fig. 6.3 Removing the rear ax le fillo r 1)lug (Sec 2)
Fig. 8.4 Flexible brake hose connection to the .ear axlearrowed (Sec 3 )
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