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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 352 (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 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 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 CORP.
  2. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.
    3. Fig 2: Rotating Retaining Ring
    GM104746Courtesy of GENERAL MOTORS CORP.
  3. Rotate the retaining ring around the fitting until the retaining ring is positioned with all 3 ears through the 3 slots on the fitting.
    4. Fig 3: Improper Installation Of Retaining Clip
    GM104741Courtesy of GENERAL MOTORS CORP.
  4. Do not install the new retaining ring onto the fitting by pushing the retaining ring.
    5. Fig 4: Ensuring Retaining Clip Moves Freely In Slots
    GM104664Courtesy of GENERAL MOTORS CORP.
  5. Ensure that the 3 retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots.
    6. Fig 5: Cooler Line Quick Connect Fitting
    GM104752Courtesy of GENERAL MOTORS CORP.
  6. Install the cooler line into the quick connect fitting.
  7. Insert the cooler line end into the quick connect fitting until a click is either heard or felt.
    8. Fig 6: Cooler Line And Fitting Caution
    GM104750Courtesy of GENERAL MOTORS CORP.
  8. Do not use the plastic cap on the cooler line in order to install the cooler line into the fitting.
  9. Pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting.
    10. Fig 7: Cooler Line And Plastic Cap
    GM104753Courtesy of GENERAL MOTORS CORP.
    NOTE:

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

  10. 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.
  11. Ensure that the plastic cap is fully seated against the fitting.
    12. Fig 8: Checking For Gap Between Cap And Fitting
    GM104754Courtesy of GENERAL MOTORS CORP.
  12. Ensure that no gap is present between the cap and the fitting.
    13. Fig 9: Cooler Line And Plastic Cap
    GM104753Courtesy of GENERAL MOTORS CORP.
  13. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting.
    14. Fig 10: Improper Joint Seating
    GM104755Courtesy of GENERAL MOTORS CORP.
  14. A hidden yellow identification band indicates proper joint seating.
  15. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Level and Condition Check .
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