LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2007 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (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.
    Fig 1: View Of Transmission Heat Shield Bolts & Shield
    GM394459Courtesy of GENERAL MOTORS CORP.
  1. Remove the catalytic converter pipe. Refer to Catalytic Converter Replacement (1500 Series) .
  2. Remove the heat shield bolts.
  3. Remove the heat shield.
  4. Support the transmission.
  5. Remove the transmission crossmember. Refer to Crossmember Replacement - Transmission (C1500 Series) or Crossmember Replacement - Transmission (C2500 Series) or Crossmember Replacement - Transmission (K1500 Series) or Crossmember Replacement - Transmission (K2500 series) .
  6. Lower the transmission with a suitable jack.
    7. Fig 2: Compressing The Servo Cover Using J 29714-A
    GM14478Courtesy of GENERAL MOTORS CORP.
  7. Remove the oil pan bolt below the servo.
  8. Install the J 29714-A  . See Special Tools .
  9. Tighten the bolt on J 29714-A  in order to compress the servo cover. See Special Tools .
    10. Fig 3: View Of Servo Cover Ring
    GM642680Courtesy of GENERAL MOTORS CORP.
  10. Remove the servo cover ring.
  11. Remove the J 29714-A  . See Special Tools .
    12. Fig 4: Removing The Servo Cover & O-Ring Seal
    GM645364Courtesy of GENERAL MOTORS CORP.
  12. 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.
    13. Fig 5: View Of 2-4 Servo
    GM642523Courtesy of GENERAL MOTORS CORP.
  13. Remove the 2-4 servo.
  14. 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
scientia non olet · About LEMON Manuals