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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Filler Tube and Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Unlock the transmission oil level indicator.
    Fig 1: Removing Transmission Oil Level Indicator
    GM1284301Courtesy of GENERAL MOTORS CORP.
  2. Remove the transmission oil level indicator.
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Support the transmission using a suitable jack.
  5. Remove the transmission mount nut.
    Fig 2: Removing Transmission Mount Nut
    GM858997Courtesy of GENERAL MOTORS CORP.
  6. Remove the transmission crossmember bolts/nuts.
    Fig 3: View Of Transmission Crossmember
    GM702036Courtesy of GENERAL MOTORS CORP.
  7. Remove the transmission crossmember.
    8. Fig 4: View Of Left Exhaust Manifold Pipe & Nuts
    GM858550Courtesy of GENERAL MOTORS CORP.
  8. Loosen the left exhaust pipe nuts.
    9. Fig 5: View Of Right Exhaust Pipe Nuts
    GM858553Courtesy of GENERAL MOTORS CORP.
  9. Loosen the right exhaust pipe nuts.
    10. Fig 6: View Of Heat Shield/Exhaust Pipe Hanger Bracket & Bolts
    GM858548Courtesy of GENERAL MOTORS CORP.
  10. Remove the insulator nuts and insulator from the bracket.
  11. Remove the exhaust pipe hanger bracket bolts and bracket.
  12. Lower the transmission slightly.
    13. Fig 7: View Of Transmission Oil Cooler Lines
    GM396804Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the transmission oil cooler lines. Refer to Transmission Fluid Cooler Line Quick Connect Fitting .
  14. Plug the transmission oil cooler line fittings.
    15. Fig 8: View Of Oil Level Indicator Tube Nut
    GM396797Courtesy of GENERAL MOTORS CORP.
  15. Remove the indicator tube nut.
    16. Fig 9: View Of Transmission Oil Level Indicator Tube Bolt
    GM1284303Courtesy of GENERAL MOTORS CORP.
  16. Remove the indicator tube bolt, if equipped with RPO HP2.
  17. Remove the oil level indicator tube.
    Fig 10: View Of Oil Level Indicator Tube & Seal
    GM396798Courtesy of GENERAL MOTORS CORP.
  18. Remove the seal from the transmission, if necessary.
    19. Fig 11: Removing Oil Level Indicator Tube
    GM1284302Courtesy of GENERAL MOTORS CORP.
  19. Remove the oil level indicator tube, if equipped with RPO HP2.
  20. Remove the seal from the transmission, if necessary.
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