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,
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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
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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
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11.12 Rcrllovll1Y extension hO\lsln!j
11.14 B Selector locking sp ring nno pill
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11 17 A Selector hoss ,lI\d lockplo11o:
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11 17B 1~1/211d Sul,'t:in! lo,k
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11. 170 51h UeM ,nu"'oc k sleeve 11.17E 51h genr selecto r tork
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Chapter 6 Manual g ea rbox and automatic transmission
18 EXlra ct the r."dp and pull the 5th gcar synchronise r ur1lt f'orn the
rnn in c,lsm\1. Icavlllg I t loose on thtl mninshaft (photos). 19 S II(le 51h IlcM from the synchroniser unit huh {photo) 20 S elect 3rd gem and either 1st or 2nd gear by pushin\) the re~peclivc synchronsrcr sleeves this will lock the mainshllft
24 US"'(I;' ~oft·f;,r.ed Ill;-rllm. wp the intermedrate hOtJS"'~1 (,,!e of tl,,; ",<1111 c
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layshilft rearwards to <11101'11 the \ .wm d,,~tn' t o he lowered 10 the hottoot 01 tlHl cas,,'U .
2G Ease tlte input Shaft f'om the frOllt 01 tlHl c;-rSlng, if oecess
29 Wllhdr,lW th e I,lyshalt ,11lel 0"_" eh";t,,, I,om Ihe 111<1111 C;-rSlIlg (phOlO)
30 In:;'''I; ' sUlwble bOl t (M8 x GO) Illto Ih" ,,,v',,:;c !Je,1( ,die, shnft. alld
11 18A Exlrar.t,nn 5th geM synchro ci,clip 11.18B 5th u em syl,(IHU hul) 11 18C 51h ~Je;-rr synclH O
11.19 SlId l"!J 5th !/tlar from "'
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121A EXtlnClinn 3rd/4lh synchro cuclip
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12.2A 2nd ge~1 thrust wllshCI rewining ring
12311 2nd gOD! h~ulk rmg
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125 R"r"ov"'g speedometer d,ivegclI' (nrrowed)
12.111 Rel11ov"'11 3,d/4Ih synchro ilnd bnulk "n\l
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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
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12411 Syncluo shdlll\) keys
128011 scoop rll19 on 1l1~,,'shJft
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Fig. 6. 19 Cutaway view of th e five speed 90MboK (Sees 11 to 15)
Fig. 6 .20 Five-speed gearbol( internal components (Sees 11 to 15)
1 eifelillS 10 Thf(l s/ w,?slwrs 17 5111 yeilr synC/llo·/wb 24 51h ge.l( (Iayshafl)
2 Circh,IS 11 2nd geiJr 18 SpccdomctCI drivcgCM 25 Wash er
3 O.7f1·bctlring 12 Moinsh,?l lom/lsI/2m/ 19 Space,s 2. NUl 4 Input s haft sym;lIro flUb 20 Needle ,0I/C ($ 27 layshal/
5 Nl:cdJe rolfcl bearing 13 1 Sf gc'" 21 Laysllaft ge ar 28 Revelse idle r gc,v
• SrI/CillO baulk rinys 14 Od scoop fIIlgS 22 Rollcf be'lling 29 Bush 7 Synciuo springs 15 5111 gC,lf (mllins/wll) 23 Splicer 30 Idler gCil' s""'t 8 3f(/IIl/h Sy/lchro unit I. 5th gear synC/I/o unit
9 3,,1 geilr
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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
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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
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1 2 9 Illt!lHnelhme hOllsm!j he ... ",,!) Cllt:i,p
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6locatiny the speedometer Ifrillegellr
3 N,,1> ./ S","cv~'
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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 :
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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).
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15.8 Input sh
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