Removal Procedure

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
Remove the right catalytic converter. Refer to Catalytic Converter Replacement - Right Side (LH8) .

Fig 1: Heat Shield Bolts

Courtesy of GENERAL MOTORS CORP.

Fig 2: View Of Servo Cover & J 29714-A Special Tools

Courtesy of GENERAL MOTORS CORP.

Install the J 29714-A in place of the transmission oil pan bolt. See Special Tools .
Tighten the bolt in order to compress the servo cover.

Fig 3: View Of Servo Cover Ring

Courtesy of GENERAL MOTORS CORP.

Fig 4: Servo Cover & O-Ring Seal

Courtesy of GENERAL MOTORS CORP.

Remove the servo cover and the O-ring seal. If the cover is hung up on the seal, use a pick (2) to pull and stretch the seal (1) out of the groove. Cut and remove the O-ring seal before removing the cover.

Fig 5: View Of 2-4 Servo

Courtesy of GENERAL MOTORS CORP.

Remove the 2-4 servo from the transmission.
Inspect the 4th apply piston, 2-4 servo converter, 2nd apply piston, and the servo piston inner housing for the following defects.
- Cracks
- Scoring
- Burrs and nicks
Disassemble the 2-4 servo if necessary. Refer to 2-4 Band Servo 2nd Apply Piston Disassemble .
Clean and inspect the 2-4 servo. Refer to 2-4 Band Servo Piston Pin Length Check .