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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> 2-4 Servo >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front propeller shaft (4WD only). 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: Compressing The Servo Cover Using J 29714-A
    GM14478Courtesy of GENERAL MOTORS CORP.
  6. Install the J 29714-A  in place of the transmission oil pan bolt. See Special Tools .
  7. Tighten the bolt in order to compress the servo cover.
  8. Fig 2: Removing The Servo Cover Ring
    GM642680Courtesy of GENERAL MOTORS CORP.
  9. Remove the servo cover retaining ring.
  10. Remove the J 29714-A  . See Special Tools .
  11. Fig 3: Removing The Servo Cover And O-Ring Seal
    GM645364Courtesy of GENERAL MOTORS CORP.
  12. 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.
  13. Fig 4: View Of 2-4 Servo
    GM642523Courtesy of GENERAL MOTORS CORP.
  14. Remove the 2-4 servo from the transmission.
  15. 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
  16. Disassemble the 2-4 servo if necessary. Refer to 2-4 Servo Disassemble .
  17. Clean and inspect the 2-4 servo. Refer to 2-4 Servo Pin Length Check .