GM Service Manual Online
For 1990-2009 cars only

1st/2nd, 3rd/4th Shift Rail Assembly


Object Number: 38347  Size: SH

Assemble the shift shaft in the following sequence:

  1. Install the selector pin (5).
  2. Install the selector pin roll pin (4).
  3. Install the interlock plate (6) to the shift shaft (1).
  4. Install the roll pin, and the computer aided gear select solenoid lever (3) to the shift shaft (1).
  5. Install the 1ST/2ND shift fork (10) with the shift link (9) to the shift shaft (1).
  6. 3RD/4TH shift fork (7) with the shift link (8) to the shift shaft (1).
  7. Align the selector pin (5) with the slots in the shift links (9) and (8).

5th/6th, Reverse Shift Rail Assembly

Tools Required

J 39437 Bushing Installer


Object Number: 38356  Size: SH

Assemble the shift shaft in the following sequence:

  1. Install the reverse shift shaft lever (1) to the shift shaft (3). Locate the reverse shift shaft lever (7) to the roll pin hole at the opposite end of the shift shaft (3) from the snap ring groove. The notched edge of the reverse shift shaft lever should face towards the other roll pin hole.
  2. Install the reverse shift shaft lever roll pin (4).
  3. Install the 5TH/6TH shift shaft lever bushings (6). Use the J 39437 .
  4. Install the 5TH/6TH shift shaft lever (5) to the shift shaft (3).
  5. Install the collar (2).
  6. Install the collar roll pin (1).