LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Repair Instructions >> Transmission Fluid Cooler Hose/Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle.
  2. Support the vehicle with safety stands.
  3. Remove the 2 oil cooler lines from the radiator.
    Fig 1: Removing Oil Cooler Lines From Radiator
    G02424536Courtesy of GENERAL MOTORS CORP.
  4. If equipped with the auxiliary transmission oil cooler, remove the outlet pipe from the auxiliary cooler pipe.
    Fig 2: Removing Outlet Pipe From Auxiliary Cooler Pipe
    G02424537Courtesy of GENERAL MOTORS CORP.
  5. Remove the 2 oil cooler lines from the transmission.
  6. Remove the 2 oil cooler lines from the clips on the frame rail.
    Fig 3: Removing Oil Cooler Lines From Transmission & Frame Rail Clips
    G02424538Courtesy of GENERAL MOTORS CORP.

    Important:  Perform the following procedures when removing the retaining ring and cooler line from the quick connect fitting on the transmission.

  7. Pull the plastic cap back from the quick connect fitting and down along the cooler line about two inches.
    Fig 4: Pulling Plastic Cap From Quick Connect Fitting
    G02424539Courtesy of GENERAL MOTORS CORP.
  8. Using a bent-tip screwdriver, pull on one of the open ends of the retaining ring in order to rotate the retaining ring around the quick connect fitting until the retaining ring is out of position and can be completely removed.
    Fig 5: Rotating Retaining Ring Using Bent-Tip Screwdriver
    G02424540Courtesy of GENERAL MOTORS CORP.
  9. Remove the retaining ring from the quick connect fitting.
  10. Discard the retaining ring.
    Fig 6: Removing Retaining Ring From Quick Connect Fitting
    G02424541Courtesy of GENERAL MOTORS CORP.
  11. Pull the cooler line straight out from the quick connect fitting.
  12. Remove the retaining ring (E-clips) securing the cooler line to the quick connect in order to remove the remaining cooler lines from the remaining quick connect fittings.
  13. Remove the cooler lines from the vehicle.
  14. Lower the vehicle.
    Fig 7: Pulling Cooler Line From Quick Connect Fitting
    G02424542Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals