Operation CHARM: Car repair manuals for everyone.

Gearshift Lever Case






REMOVE OR DISCONNECT





1. Four screws and gearshift lever case plate from bottom of gearshift lever case.
2. One inner and outer roll pin and gearshift arm from gearshift shaft.
3. Gearshift control lever bushing from gearshift arm.





4. One roll pin from gearshift shaft releasing tension on gearshift limit spring.





5. One inner and outer roll pin from gearshift lever.
6. One roll pin from reverse gearshift limit yoke.
7. Unstake gearshift lever case plug.





8. Gearshift lever case plug from gearshift lever case.
9. Gearshift shaft from gearshift lever case while simultaneously removing the gearshift lever, reverse gearshift limit yoke, and gearshift limit spring from the gearshift shaft.
10. Reverse gearshift limit bolt from gearshift lever case.

Important
- The gearshift lever case contains an inner and outer select return spring on the left side only. The right side contains a single select return spring. Note the location of these springs to ensure correct assembly.

11. Two select return spring bolts, three select return springs and two select guide pins from gearshift lever case.
12. Two lever locating bolts and two washers from gearshift lever case.
13. Gearshift lever case seat from gearshift lever case.

CLEAN
1. Gearshift lever case mating surfaces.
2. All gearshift lever case components thoroughly with solvent and air dry.

INSPECT
- Gearshift shaft by inserting into gearshift lever case and working back and forth while feeling for any binding. If gearshift shaft does not move freely in and out of the gearshift lever case, replace the gearshift lever case and gearshift shaft.
- Gearshift lever, reverse gearshift limit yoke and gearshift arm for smooth fit and movement on the gearshift shaft. If any of the above components bind on: the gearshift shaft, replace the gearshift shaft, gearshift lever, reverse gearshift limit yoke and gearshift arm.
- Gearshift limit spring for weakness or distortion. Replacers necessary.
- Gearshift control lever bushing for excessive wear. Replace as necessary.
- Gearshift lever case seat for excessive wear. Replace as necessary.

INSTALL OR CONNECT

^ Tool Required:
- J 36850 Transjel Transmission Assembly Lubricant

1. Apply a thin coat of J 36850 to all components prior to assembly.
2. Gearshift lever case seat into gearshift lever case.
3. Two lever locating bolts and washers into gearshift lever case (Figure 59).

Tighten
- Lever locating bolts to 20 N.m (15 ft. lbs.).

4. Two select guide pins, three select return springs and two select return spring bolts into gearshift lever case.

Tighten
- Select return spring bolts to 23 N.m (17 ft. lbs.).

5. Apply Loctite (tm) 414 GM P/N 12345493, or equivalent, to the threaded portion of the reverse gearshift limit bolt.
6. Reverse gearshift limit bolt into gearshift lever case.

Tighten
- Reverse gearshift limit bolt to 35 N.m (26 ft. lbs.).

Important
- The portion of the gearshift shaft which has been machined flat must be facing downward toward the inside of the gearshift lever case for correct installation.

7. Gearshift shaft into gearshift lever case while simultaneously installing the gearshift lever, reverse gearshift limit yoke and gearshift limit spring onto the gearshift shaft.
8. Gearshift lever case plug into gearshift lever case.
9. Stake gearshift lever case plug in two places.
10. One roll pin into reverse gearshift limit yoke.
11. One inner and outer roll pin into gearshift lever.
12. One roll pin into gearshift shaft to retain tension on gearshift limit spring.
13. Gearshift control lever bushing into gearshift arm.
14. One inner and outer roll pin into gearshift arm and gearshift shaft.
15. Attach the hooked end of the gearshift limit spring around the roll pin shown in the first image. Then, wind the gearshift limit spring until the straight end can be fitted into the groove on the reverse gearshift limit yoke.





16. Apply Loctite (tm) 599 RTV silicone sealer, or equivalent, to the gearshift lever case plate mating surface on the gearshift lever case.
17. Gearshift lever case plate onto bottom of gearshift lever case; secure with four screws.