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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Engine Cooling System) >> Repair Instructions >> Engine Oil Cooler Pipe/Hose Quick Connect Fitting >> 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. Disengage the plastic caps from the quick connect fittings. Pull the caps back along the pipe.
  2. Using a bent-tip screwdriver or equivalent, pull on one of the open ends of the retaining ring in order to rotate the retaining ring.
  3. Rotate the retaining ring around the quick connector until the retaining ring is out of position and can be completely removed.

    Discard the retaining rings.

    Fig 1: Removing Retaining Ring
    G02079126Courtesy of GENERAL MOTORS CORP.
  4. Remove the engine oil cooler line from the quick connector fitting at the radiator.

    Pull the lines straight out from the connectors.

  5. Clean all of the components in a suitable solvent, and dry them with compressed air.
  6. Inspect the fittings, the connectors, the cooler lines, and the cooler for damage, distortion, or restriction. Replace parts as necessary.
    Fig 2: Removing Engine Oil Cooler Line
    G02079127Courtesy of GENERAL MOTORS CORP.
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