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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 812 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> 2-4 Servo >> Removal Procedure

Removal Procedure

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  1. Remove the exhaust pipe. Refer to EXHAUST MANIFOLD PIPE REPLACEMENT (6.0L AND 8.1L ENGINES) in Engine Exhaust.
  2. Remove the heat shield bolts.
  3. Remove the heat shield.
    Fig 1: Removing Heat Shield & Bolts
    G02111765Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pan bolt below the servo.
  5. Install the J 29714-A. 
  6. Tighten the bolt on J 29714-A  in order to compress the servo cover.
    Fig 2: Installing J 29714-A
    G02111766Courtesy of GENERAL MOTORS CORP.
  7. Remove the servo cover ring.
  8. Remove the J 29714-A  .
    Fig 3: Removing Servo Cover Ring J 29714-A
    G02111767Courtesy of GENERAL MOTORS CORP.
  9. 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.
    Fig 4: Pulling & Stretching Seal Out Of Groove Using A Pick
    G02111768Courtesy of GENERAL MOTORS CORP.
  10. Remove the 2-4 servo.
  11. 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
    Fig 5: Removing 2-4 Servo
    G02111769Courtesy of GENERAL MOTORS CORP.
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