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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 776 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the coolant from the radiator. Refer to Draining & Filling Cooling System .
  2. Remove the air cleaner assembly.
  3. Remove the Mass Air Flow (MAF) sensor.
  4. Remove the upper fan shroud. Refer to Fan Shroud Replacement - Upper .
  5. Remove the drive belt.
  6. Remove the fan and fan blade clutch assembly. Refer to Fan Replacement .
  7. Remove the coolant pump pulley bolts and the pulley.
    Fig 1: Coolant Pump Pulley
    G02503192Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the coolant bypass hose and clamps.
  9. Disconnect the radiator outlet hose from the coolant pump. Refer to Radiator Hose Replacement - Outlet .
    Fig 2: Radiator Outlet Hose
    G02503193Courtesy of GENERAL MOTORS CORP.
  10. Remove the four coolant pump bolts.
  11. Remove the coolant pump.
  12. Remove the gaskets.

    Important:  Make sure all of the gasket mating surfaces are free of burrs or other imperfections.

  13. Inspect all of the parts. Replace the parts as necessary.
    Fig 3: Water Pump Assembly
    G02503194Courtesy of GENERAL MOTORS CORP.
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