GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the gearshift control lever from the gearshift lever case. Refer to Gearshift Control Lever Replacement .
  2. Remove the extension case from the transmission. Refer to Extension Case Replacement .

  3. Object Number: 168299  Size: SH
  4. Remove the following items from the main shaft:
  5. • The speedometer drive gear retaining ring (2).
    • Speedometer drive gear (1).
  6. Inspect the speedometer drive gear for excessive wear or damage. Replace as necessary.

Installation Procedure


    Object Number: 168299  Size: SH
  1. Install the speedometer drive gear (1) into the main shaft; secure with the speedometer drive gear retaining ring (2).
  2. Install the extension case to the transmission. Refer to Extension Case Replacement .
  3. Install the gearshift control lever into the gearshift lever case. Refer to Gearshift Control Lever Replacement .