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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (Engine Cooling System) >> Repair Instructions >> Engine Oil Cooler Pipe/Hose Quick Connect Fitting >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: When performing the following procedure, do not reuse the old retaining rings. Replace the old retaining rings with new ones.
    Do not install the new retaining ring onto the fitting by pushing the retaining ring down over the fitting.
  1. Install a new retaining ring into each quick connector fitting.
    2. Fig 1: View Of Retaining Ring & Quick Connector
    GM82142Courtesy of GENERAL MOTORS CORP.
  2. Hook one of the open ends of the retaining ring in one of the slots in the quick connector.
    3. Fig 2: Hooking Retaining Ring
    GM82144Courtesy of GENERAL MOTORS CORP.
  3. Rotate the retaining ring around the connector until the retaining ring is positioned with all 3 ears through the 3 slots.
    4. Fig 3: View Of Retaining Ring & Connector
    GM82145Courtesy of GENERAL MOTORS CORP.
  4. Ensure the 3 retaining ring ears can be seen from the inside of the connector and the retaining ring can move freely in the slots.
    5. Fig 4: View Of Retaining Ring Ears From Inside Of Connector
    GM82148Courtesy of GENERAL MOTORS CORP.
  5. Install the engine oil cooler line into the quick connector fitting until a click is heard or felt.

    Pull back on the engine oil cooler lines to ensure a proper connection.

    6. Fig 5: View Of Engine Oil Cooler Line Connections
    GM414849Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not manually depress the retaining clip when installing the plastic cap.
  6. Snap the plastic cap onto the quick connect fitting.
  7. Ensure that the plastic cap is fully seated against the fitting.
    8. Fig 6: View Of Cooler Line & Plastic Cap
    GM104753Courtesy of GENERAL MOTORS CORP.
  8. Ensure that no gap is present between the cap and the fitting.
  9. Inspect and fill the engine oil to the proper level.
    10. Fig 7: Checking For Gap Between Cap & Fitting
    GM104754Courtesy of GENERAL MOTORS CORP.
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