Chevrolet 1977 Monte Carlo, Repair Manual

Page: 389 / 428

M A N U A L T R A N S M IS S IO N 7B-43
1. 1 s t S p e e d G e a r
2 . R e v e r s e D r iv e n G e a r
3 . 1 s t G e a r B u s h in g
4 .
1
s t - 2 n d G e a r
S y n c h r o n i z e r H u b
A s s e m b ly
5 . 2 n d S p e e d B lo c k e r
R in g
6
. 2 n d S p e e d G e a r
7 . T h r u s t W a s h e r
8
3 r d S p e e d B u s h in g
9 3 r d S p e e d G e a r
1 0 . 3 r d S p e e d B l o c k e r
R in g
1 1 3 r d - 4 t h S p e e d
S y n c h r o n i z e r H u b
A s s e m b ly
1 2 . 3 r d - 4 t h S p e e d
S y n c h r o n i z e r S le e v e
1 3 . 4 t h S p e e d B l o c k e r
R in g
1 4 . S n a p R in g
1 5 . M a i n s h a f t
1
6
. 2 n d S p e e d G e a r
B u s h in g
F ig . 7 B -1 4 L - M a i n s h a f t A s s e m b ly E x p lo d e d V i e w
and remove Tool J-22874-5.
5. Install synchronizer cone on pilot end of mainshaft
and slide rearward to clutch hub. Make sure three cut out
sections of 4th speed synchronzier cone align with three
clutch keys in clutch assembly.
6
. Install snap ring on drive gear bearing O.D. Index
cut out portion of drive gear teeth to obtain clearance over
countershaft drive gear teeth, and install clutch gear
assembly onto case. Raise mainshaft to get clutch gear
started and tap bearing outer race with plastic tip hammer.
7. Install drive gear bearing retainer using a new gasket.
Install bolts and tighten to 15-18 ft. lbs.
8
. Install appropriate tool in countergear front bearing
opening in case to support countergear and rotate case onto
front end. (Fig. 7B-24L).
9. Install snap ring on countergear rear bearing O.D.
position , bearing on countergear and using Tool J-22874-1,
drive bearing into place (Fig. 7B-25L). Rotate case, install
snap ring on countershaft at rear bearing and then remove
Tool J-22874-1.
10. Tap countergear front bearing assembly into case.
11. Install countergear front bearing cap and new
gasket. Torque screws to 20-30 in. lbs.
12. Slide speedometer drive gear over mainshaft to
bearing.
13. Install rear bearing retainer with new gakset. Be
sure snap ring ends are in lube slot and cut out in bearing
retainer. Install bolts and tighten to 15-18 ft. lbs. Install
brake backing plate assembly on models equipped with
propeller shaft brake.
On models equipped with 4-wheel drive, install rear
lock nut and washer using Tool J-23070 (Fig. 7B-26L).
Torque lock nut to 120 ft. lbs. and bend washer tangs to fit
slots in nut.
14. Install parking brake drum and/or universal joint
flange. Apply light coat of oil to seal surface.
15. Lock transmission in two gears at once. Install
universal joint flange locknut and tighten to 90-120 ft. lbs.
O V E R H A U L M A N U A L