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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Engine Oil Cooler Hose/Pipe Replacement (4WD) >> Installation Procedure

Installation Procedure

  1. Install new seals on both ends of each remote engine oil filter line.
    Fig 1: Remote Engine Oil Filter Line & Seals (4WD)
    G01661423Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the bolt attaching the remote engine oil filter lines to the remote engine oil filter lines (engine mounted) adapter.

    Tighten 

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

    Fig 2: Remote Engine Oil Filter Lines At Remote Engine Oil Filter Adapter (Engine Mounted)
    G01661424Courtesy of GENERAL MOTORS CORP.
  3. Install the bolt attaching the remote engine oil filter lines to the remote (frame mounted) engine oil filter adapter.

    Tighten 

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

    Fig 3: Remote Engine Oil Filter Lines At Remote Engine Oil Filter Adapter (Frame Mounted)
    G01661425Courtesy of GENERAL MOTORS CORP.
  4. Install new seals to the engine oil cooler lines to the remote (frame mounted) engine oil filter adapter.
  5. Install the bolt attaching the engine oil cooler lines to the remote (frame mounted) engine oil filter adapter.

    Tighten 

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

    Fig 4: Engine Cooler Lines To Remote Engine Oil Filter Adapter Seals & Bolt (Frame Mounted)
    G01661426Courtesy of GENERAL MOTORS CORP.

    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 connector by pushing the retaining ring down over the connector.

  6. Install a new retaining ring (E-clip) into each quick connector at the radiator engine oil cooler inlet and outlet by following the next 3 steps.
    Fig 5: Do Not Push Retaining Ring Down Over Fitting
    G01661427Courtesy of GENERAL MOTORS CORP.
  7. Hook one of the open ends of the retaining ring in one of the slots in the quick connector.
    Fig 6: Hooking Open End Of Retaining Ring Into Quick Connector Slot
    G01661428Courtesy of GENERAL MOTORS CORP.
  8. Rotate the retaining ring around the connector until the retaining ring is positioned with all 3 ears through the 3 slots.
    Fig 7: Positioning Retaining Ring Ears Through Slots
    G01661429Courtesy of GENERAL MOTORS CORP.
  9. 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.
    Fig 8: Ensuring Proper Position Of Retaining Ring Ears
    G01661430Courtesy of GENERAL MOTORS CORP.
  10. 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.

    Fig 9: Engine Oil Cooler Lines At Radiator Engine Oil Cooler Inlet & Outlet (4WD)
    G01661431Courtesy of GENERAL MOTORS CORP.
  11. Install the steering linkage shield.
  12. Install the steering linkage shield washers and bolts.

    Tighten 

    Tighten the steering linkage shield bolts to 32 N.m (24 lb ft).

  13. Lower the vehicle
  14. Inspect and fill the engine oil to the proper level.
  15. Start the engine and check for leaks.
    Fig 10: Steering Linkage Shield, Washers & Bolts (4WD)
    G01661432Courtesy of GENERAL MOTORS CORP.
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