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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 496 (Automatic Transmission - 2ML70 - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:
    • Do not reuse any of the existing oil lines or oil line fittings if there is excessive corrosion.
    • Do not reuse any of the existing retaining rings that were removed from the existing quick connect fittings. Install new retaining rings.
    • Ensure the following procedures are performed when installing the new retaining rings onto the fittings.
  1. Install a new retaining ring into the quick connect fitting using the following procedure:
  2. Fig 1: Hooking Retaining Ring Into Quick Connect Fitting
    GM104743Courtesy of GENERAL MOTORS COMPANY
  3. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.
  4. Fig 2: Rotating Retaining Ring Around Fitting
    GM104746Courtesy of GENERAL MOTORS COMPANY
  5. Rotate the retaining ring around the fitting until the retaining ring is positioned with all 3 ears through the 3 slots on the fitting.
  6. Fig 3: Identifying Improper Engine Oil Cooler Hose/Pipe Retaining Ring Installation
    GM104741Courtesy of GENERAL MOTORS COMPANY
  7. Do not install the new retaining ring onto the fitting by pushing the retaining ring.
  8. Fig 4: Ensuring Retaining Ring Is Seated Correctly
    GM104664Courtesy of GENERAL MOTORS COMPANY
  9. Ensure that the 3 retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots.
  10. Fig 5: View Of Cooler Line Quick Connect Fitting
    GM104752Courtesy of GENERAL MOTORS COMPANY
  11. Install the cooler line into the quick connect fitting.
  12. Insert the cooler line end into the quick connect fitting until a click is either heard or felt.
  13. Fig 6: Do Not Use Plastic Cap On Cooler Line In Order To Install Cooler Line Into The Fitting
    GM104750Courtesy of GENERAL MOTORS COMPANY
  14. Do not use the plastic cap on the cooler line in order to install the cooler line into the fitting.
  15. Pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting.
  16. Fig 7: View Of Cooler Line & Plastic Cap
    GM104753Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do not manually depress the retaining clip when installing the plastic cap.

  17. Position (snap) the plastic cap onto the fitting. Do not manually depress the retaining ring when installing the plastic cap onto the quick connect fitting.
  18. Ensure that the plastic cap is fully seated against the fitting.
  19. Fig 8: Checking For Gap Between Cap & Fitting
    GM104754Courtesy of GENERAL MOTORS COMPANY
  20. Ensure that no gap is present between the cap and the fitting.
  21. Fig 9: View Of Cooler Line & Plastic Cap
    GM104753Courtesy of GENERAL MOTORS COMPANY
  22. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting.
  23. Fig 10: Identifying Improper Joint Seating
    GM104755Courtesy of GENERAL MOTORS COMPANY
  24. A hidden yellow identification band indicates proper joint seating.
  25. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Level and Condition Check .