GM Service Manual Online
For 1990-2009 cars only

    Object Number: 895164  Size: SH

    Important: The reverse synchronizer sleeve can only be placed on the reverse gear when the tall teeth on the sleeve are aligned with the deep tooth gaps in the gear.

    Important: Lubricate all rotating parts and bearings with manual transaxle lubricant P/N 21018899 during assembly.

  1. Install the reverse synchronizer sleeve to reverse gear. The chamfered edge of the sleeve goes down, towards reverse gear.

  2. Object Number: 1619489  Size: SH
  3. Install the reverse gear blocking ring with the leaf springs and spring ring on the reverse gear and synchronizer sleeve. Align the blocking ring lugs with gaps in the gear.

  4. Object Number: 895469  Size: SH
  5. Install the reverse idler gear on the reverse gear blocking ring.

  6. Object Number: 895470  Size: SH
  7. Install the reverse idler gear thrust bearing on the reverse idler shaft and install the shaft through the reverse idler and reverse gears.

  8. Object Number: 895167  Size: SH
  9. Install the reverse gear washer.
  10. Important: The reverse idler gear shaft lubrications hole, located on the opposite end of the shaft from the bracket, must be on the opposite side of the shaft from the reverse idler shaft support bracket hole when installing the bracket.

    Important: Always use a new reverse idler gear shaft bracket.

    Important: The tab on the reverse gear washer must fit between the lugs on the bottom of the shaft support bracket.

  11. Install the NEW reverse idler shaft support bracket with a press as shown. Make sure the bolt hole in the bracket aligns with the threaded shaft hole. Use a 17 mm socket to press on the bracket.

  12. Object Number: 1619499  Size: SH
  13. Use center punch and dimple on the reverse idler shaft bracket next to the reverse idler shaft.

  14. Object Number: 895170  Size: SH
  15. Measure the clearance between the reverse gear and reverse gear washer. If excessive, verify the reverse idler shaft washer has not moved during the installation of the reverse idler shaft bracket. Ensure the reverse idler thrust needle bearing is not out of postion.
  16. Specification
    The clearance should be 0.1-0.2 mm (0.004-0.008 in).

    Move the synchronizer sleeve up and down to check for proper operation.