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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 907 (Engine Cooling System) >> Repair Instructions >> Engine Oil Cooler Hose/Pipe Replacement (2WD) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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.

  1. Install a new retaining ring (E-clip) into each quick connector at the radiator engine oil cooler by following the next 3 steps.
  2. Hook one of the open ends of the retaining ring in one of the slots in the quick connector.
  3. Rotate the retaining ring around the connector until the retaining ring is positioned with all 3 ears through the 3 slots.
  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. Install the engine oil cooler lines into the quick connectors at the radiator engine oil cooler inlet and outlet until a click is heard or felt.

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

  6. Install air cleaner assembly.
  7. Raise the vehicle.
    Fig 1: Installing Engine Oil Cooler Lines
    G01978139Courtesy of GENERAL MOTORS CORP.
  8. Install new seals on the engine oil cooler lines at the engine oil filter adapter ends.
    Fig 2: Installing New Seals On Engine Oil Cooler Lines
    G01978140Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  9. Install the bolt attaching the engine oil cooler lines to the engine oil filter adapter.

    Tighten 

    Tighten the engine oil filter adapter bolt to 35 N.m (26 lb ft).

    Fig 3: Installing Oil Cooler Lines
    G01978141Courtesy of GENERAL MOTORS CORP.
  10. Install the cooler line clamp and the bolt.

    Tighten 

    Tighten the cooler line clamp bolt to 10 N.m (89 lb in).

  11. Lower the vehicle.
  12. Inspect and fill the engine oil to the proper level.
    Fig 4: Installing Cooler Line Clamp
    G01978142Courtesy of GENERAL MOTORS CORP.
  13. Start the engine and check for leaks.