Chevrolet 1977 Monte Carlo, Repair Manual

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7B-34 M A N U A L T R A N S M IS S IO N
USE SEALER
O N THIS BOLT
F ig . 7 B - 2 3 K ~ l n s t a l l i n g F r o n t M a i n B e a r in g
9. Install rear reverse idler gear engaging the splines
with the portion of the gear within the case.
10. Place new rear bearing retainer to case extension
gasket into position on rear face of bearing retainer. Slide
reverse gear on shaft. Install speedometer gear and two
selective fit snap rings.
11. Install idler shaft into extension until hole in shaft
lines up with hole in boss. Insert reverse idler shaft lock pin
in transmission boss opening and drive the pin into the
extension until the shaft is securely locked in place. Install
new welch plug, with sealer, in boss opening.
12. Install reverse shifter shaft and detent plate into
extension. Locate reverse shift fork in reverse shifter shaft.
Use a heavy grease to hold reverse shift fork in position.
Be sure reverse shifter shaft "O" ring is placed on
reverse shifter shaft after the shaft has been installed in the
extension housing.
13. Install tanged thrust washer on reverse idler shaft
with tang of washer in notch of idler thrust face of extension.
14. Place the lst-2nd speed and 3rd-4th speed clutch
sliding sleeve in neutral position. Pull reverse shift shaft
partially out of extension and reverse shift fork as far
F ig . 7 B - 2 4 K - E x t e n s i o n B o lt
forward in as possible. Start the extension onto the
mainshaft while pushing in on the shifter shaft to engage
the shift fork with the reverse gear shift collar. When the
fork engages, rotate the shifter shaft to move the reverse
gear rearward permitting the extension to mate against the
transmission case.
15. Install reverse shifter shaft lock pin.
16. Install rear extension housing-to-case bolts. Install
rear extension to rear bearing retainer bolts (short bolts).
Torque all bolts to recommended specification.
N O TIC E : It is essential that sealer be used on the
extension bolt as indicated in Fig. 7B-24K.
17. Position lst-2nd speed clutch sliding sleeve into 2nd
gear and 3rd-4th speed clutch sliding sleeve into neutral.
Position forward shift forks in sliding sleeves.
18. Position lst-2nd speed gear shifter shaft and detent
plate into
2
nd gear position and using a sealer, install cover
gasket and side cover assembly to transmission.
19. Check operation of transmission.
O V E R H A U L M A N U A L