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Home › Pontiac › 2001 › Aztek Base, AWD › Repair and Diagnosis › External Pages › Different car › Section 567 (Engine Cooling System) › Repair Instructions › Engine Oil Cooler Hose/Pipe Replacement › Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Do not reuse any of the existing retaining rings if the quick connect fittings have been removed. Retaining rings are not reusable. Ensure the following steps are performed when installing the new retaining rings onto the fittings.

  1. Do not install the new retaining ring onto the fitting by pushing the retaining ring down over the fitting.
    Fig 1: Identifying Incorrect Installation Of Retaining Ring
    G01699507Courtesy of GENERAL MOTORS CORP.
  2. Install the retaining ring by hooking the one open end of the retaining ring in one of the slots in the quick connect fitting.
    Fig 2: Installing Retaining Ring Into One Slot
    G01699508Courtesy of GENERAL MOTORS CORP.
  3. Install the retaining ring by rotate the retaining ring around the fitting until the retaining ring is positioned with all 3 ears through the 3 slots on the fitting.
    Fig 3: Installing Retaining Ring By Rotating Around Fitting
    G01699509Courtesy of GENERAL MOTORS CORP.
  4. Install the retaining clip so that the retaining clip moves freely in the fitting.

    Important:  After performing the following service procedure, pull back on the engine oil cooler line to ensure the engine oil cooler line is properly seated.

  5. Install the engine oil cooler line into the fitting.
    Fig 4: Installing Retaining Clip & Engine Oil Cooler Line
    G01699510Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure the cooler line being installed has a plastic cap on each end that connects to a quick connect fitting. If no plastic cap exists, or the plastic cap is damaged, obtain a NEW plastic cap and position the cap on the cooler line prior to cooler line installation.
  6. Install the plastic cap onto the fitting.
    Fig 5: Installing Plastic Cap Onto Fitting
    G01699511Courtesy of GENERAL MOTORS CORP.
  7. Connect the engine oil cooler lines to the radiator, and repeat steps 1 through 6.
    Fig 6: Connecting Engine Oil Cooler Lines To Radiator
    G01699512Courtesy of GENERAL MOTORS CORP.
  8. Connect the engine oil cooler lines to the auxiliary oil cooler.
    Fig 7: Connecting Engine Oil Cooler Lines To Auxiliary Oil Cooler
    G01699513Courtesy of GENERAL MOTORS CORP.
  9. For the 4.3L only, install the engine oil cooler lines to the oil filter adaptor.
    Fig 8: Installing Engine Oil Cooler Lines To Oil Filter Adaptor (4.3L)
    G01699514Courtesy of GENERAL MOTORS CORP.
  10. For the 5.0L/5.7L only, install the engine oil cooler lines to the oil filter adaptor, and repeat steps 1 through 6.
    Fig 9: Installing Engine Oil Cooler Lines To Oil Filter Adaptor (5.0L & 5.7L)
    G01699515Courtesy of GENERAL MOTORS CORP.
  11. For the 8.1L only, install the engine oil cooler lines to the oil filter adaptor, and repeat steps 1 through 6.
    Fig 10: Installing Engine Oil Cooler Lines To Oil Filter Adaptor (8.1L)
    G01699516Courtesy of GENERAL MOTORS CORP.
  12. For the 6.5L only, install the engine oil cooler lines to the engine.
    Fig 11: Installing Engine Oil Cooler Lines To Engine
    G01699517Courtesy of GENERAL MOTORS CORP.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  13. For the 4.3L only, install the engine oil cooler line retaining bolt to the oil filter adaptor.

    Tighten 

    Tighten the bolt to 35 N.m (26 ft lbs).

    Fig 12: Installing Engine Oil Cooler Line
    G01699518Courtesy of GENERAL MOTORS CORP.
  14. Install the engine oil cooler line retainers to the frame, except the 6.5L diesel.

    Tighten 

    Tighten the nut to 12 N.m (106 in lbs).

    Fig 13: Installing Engine Oil Cooler Line Retainers To Frame
    G01699519Courtesy of GENERAL MOTORS CORP.
  15. Install the engine oil cooler lines to the retaining bracket.
  16. Install the engine oil cooler line retaining clip to the retaining bracket.
  17. Install the retaining clip bolt to the retaining clip.

    Tighten 

    Tighten the bolt 12 N.m (106 in lbs).

  18. Remove the safety stands.
  19. Lower the vehicle.
  20. Verify the oil level. Fill the oil as necessary.
    Fig 14: Installing Engine Oil Cooler Lines & Retaining Clip Bolt
    G01699520Courtesy of GENERAL MOTORS CORP.
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