LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> On-Vehicle Repair Instructions >> 2-4 Servo (3.7L) >> Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  3. Clean away all dirt and debris from the 2-4 servo cover area.
  4. Remove a single transmission oil pan bolt.
    5. Fig 1: View Of Servo Cover & J 29714-A Special Tools
    GM14478Courtesy of GENERAL MOTORS CORP.
  5. Install the J 29714-A  in place of the transmission oil pan bolt. See Special Tools .
  6. Tighten the bolt in order to compress the servo cover.
    7. Fig 2: View Of Servo Cover Ring
    GM642680Courtesy of GENERAL MOTORS CORP.
  7. Remove the servo cover retaining ring.
  8. Remove the J 29714-A  . See Special Tools .
    9. Fig 3: Servo Cover & O-Ring Seal
    GM645364Courtesy of GENERAL MOTORS CORP.
  9. 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.
    10. Fig 4: View Of 2-4 Servo
    GM642523Courtesy of GENERAL MOTORS CORP.
  10. Remove the 2-4 servo from the transmission.
  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
  12. Disassemble the 2-4 servo if necessary. Refer to 2-4 Band Servo 2nd Apply Piston Disassemble .
  13. Clean and inspect the 2-4 servo. Refer to 2-4 Band Servo Piston Pin Length Check .
scientia non olet · About LEMON Manuals