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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> 2-4 Servo >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle.
  2. Remove the 2 heat shield retaining bolts and the heat shield from the transmission.
  3. Remove the oil pan bolt below and to the left of the 2-4 servo cover.
  4. Install the J 29714-A  to the oil pan rail.
  5. Tighten the bolt on the J 29714-A  in order to compress the servo cover.
    Fig 1: Installing J 29714-A To Oil Pan Rail
    G02424161Courtesy of GENERAL MOTORS CORP.
  6. Remove the servo cover retaining ring.
  7. Loosen the bolt on the J 29714-A  to release tension on the servo cover.
    Fig 2: Removing Servo Cover Retaining Ring
    G02424162Courtesy of GENERAL MOTORS CORP.
  8. Remove the servo cover and 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 3: Removing Servo Cover & O-Ring Seal
    G02424163Courtesy of GENERAL MOTORS CORP.
  9. Remove the 2-4 servo assembly from the transmission.
  10. Inspect the 4th apply piston, the 2-4 servo converter, 2nd apply piston, and the piston inner housing for the following defects:
    • Cracks
    • Scoring
    • Burrs and nicks
    Fig 4: Removing 2-4 Servo Assembly
    G02424164Courtesy of GENERAL MOTORS CORP.
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