Shift System Components
- Clean the following shift system components in cleaning solvent and air dry.
- The lockup mode shift fork (1)
- The high/low range shift fork (2)
- The shift cam and shaft assembly (3)
- The shift fork spring (4)
- The shift fork shaft (5)
- Inspect the shift fork shaft (5) for straightness and excessive wear at the shift fork locations.
- Replace the shift fork shaft if it is not straight or if it is worn excessively.
- Inspect the pads on the high/low range shift fork for wear.
- Replace worn pads.
- Inspect the roller on the shift fork for wear.
- Inspect the bore for the shift fork shaft for excessive wear.
- Replace the shift fork if the above conditions are found.
- Inspect the lockup mode shift fork for excessive wear at the lockup collar pads.
- Inspect the lockup mode shift fork for wear at the shift detent cam follower.
- Inspect the lockup mode shift fork for cracks.
- Replace the lockup mode shift fork if any of the above conditions are found.
- Inspect the shift cam surfaces for the following conditions:
- Roughness
- Grooves
- Excessive wear
- Inspect the shift cam shaft for the following conditions:
- Encoder motor drive end excessively worn
- Straightness
- Inspect the spring for being weak or the tabs bent.
- Replace any of the above components if they are found to be faulty.
NOTE:
Only disassemble the shift cam and shaft assembly if replacing a faulty component. The tip on the end of the shift cam shaft is used for assembly. If the tip is broken off, the shaft can still be used, but may cause problems aligning with the rear case half during the assembly procedure.