Tools Required
87 91 311  Bearing Driver Shaft Sleeve
- Put the reverse idler gear shaft in the 
87 91 311  . Ensure that the rim of the 
87 91 311  rests on the reverse gear and not on the idler shaft washer. 
 
Important: When tapping out the reverse idler rear shaft, make sure the shaft washer does not separate from the shaft.
- Carefully tap the reverse idler gear shaft out of the shaft support bracket using a punch in the center of the shaft.
 
- Remove the shaft support bracket.
 
- Remove the reverse idler gear washer, reverse gear, reverse synchronizer sleeve, reverse gear blocking ring with leaf springs, spring ring, reverse idler gear, and reverse gear bearing.
 
- Inspect the condition of the gears and synchronizer. Refer to 
Synchronizers Cleaning and Inspection .
 
- Measure the clearance between the blocking ring and reverse the idler gear in 4 places. 
 
Specification
The minimum blocking ring clearance for the reverse gear synchronizer is 0.5 mm (0.02 in).