Input Shaft: Disassembly
CAUTION:
When pressing off components, hold the shaft so that it does not fall
- Measure the input shaft clearances.
- Measure the clearance between the third and second gears.
- Measure the clearance between fourth gear and the bearing cone.
- Using the special tools and a press, press off the bearing (fourth gear end).
- Remove fourth gear and the synchronizer blocking ring.
- Remove the snap ring.
- Using the special tools and a press, press off the synchronizer hub assembly, synchronizer blocking ring, and third gear.
- Using the special tools and a press, press off the bearing (third gear end).
- Measure input shaft gear runout.
- Inspect the input shaft for worn or damaged gears.
- Inspect the synchronizer blocking rings.
- Measure the clearance from the side of the gear.
- Inspect for smooth engagement with the gear.
- Inspect for worn or damaged teeth or tapper surface.
- Inspect the synchronizer hub.
- Inspect for worn or damaged splines, synchronizer insert groove or end surface.
- Inspect for smooth hub sleeve movement when it is installed.
- Measure the clearance between the third/fourth synchronizer hub and its shift fork.
CAUTION:
The synchronizer blocking rings are not interchangeable. Make sure to keep them in the order that they were removed.
CAUTION:
The synchronizer blocking rings are not interchangeable. Make sure to keep them in the order that they were removed.
NOTE:
Inspect all the synchronizer components for wear and damage; refer to SYNCHRONIZERS - FIRST/SECOND AND THIRD/FOURTH GEARS for Vehicles Built After 3/2002 in this article.
NOTE:
Set the synchronizer ring squarely in the gear, then measure around the circumference.