Chevrolet 1977 10 Series, Repair Manual, Page: 423 / 468

MANUAL TRANSMISSION
7B-43
J-8433-1
REVERSE
3 R D /4 T H
1ST/2ND
Fig. 7 B -5 L -C o v e r A s s e m b ly
Fig. 7B -3 L --R e m o vin g C o u n te rg e a r Rear B e a rin g
2. Place fork detent ball springs and balls in position in
holes in cover.
3. Start shifter shafts into cover; depress detent balls with
small punch and push shafts on over balls. (See Fig. 7B-7L).
Hold reverse fork in position and push shaft through yoke.
Install split pin in fork and shaft; then, push fork in neutral
position.
4. H old 3rd and 4th fork in position and push shaft
through yoke, but not through front support bore.
5. Place two (2) interlock balls in cross-bore in front
support boss between reverse and 3rd and 4th shifter shaft.
Install the interlock pin in the 3rd and 4th shifter shaft hole.
Apply grease to hold in place. Push 3rd and 4th shaft through
fork and cover bore, keeping both balls and pin in position
between shafts until retaining holes line up in fork and shaft.
Install retaining pin and move to neutral position.
6. Place two (2) interlock balls between the 1st and 2nd
shifter shaft and 3rd and 4th shifter shaft in the cross-bore
of the front support boss. Hold 1st and 2nd fork in position
and push shaft through cover bore in fork until retainer hole
and fork line up with hole in shaft. Install retainer pin and
move to neutral position.
7. Install new shifter shaft hole expansion plugs and
expand in place.
Fig. 7B-4L~Removing M ainsh aft Rear Bearing