2-4 Servo: Removal
WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 GMC Sierra, 2004 Chevrolet Tahoe, and 2004 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the exhaust pipe. See .
- Remove the heat shield bolts. See Figure .
- Remove the heat shield.
- Remove the oil pan bolt below the servo.
- Install the servo cover depressor. See Fig 1 .
- Tighten the bolt on servo cover depressor in order to compress the servo cover.
- Remove the servo cover ring. See Fig 2 .
- Remove the servo cover depressor.
- Remove the servo cover and "O" ring seal. If the cover is hung up on the seal, use a pick (2) in order to pull and stretch the seal (1) out of the groove. Cut and remove the "O" ring seal before removing the cover. See Fig 3 .
- Remove the 2-4 servo. See Fig 4 .
- 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.