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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 688 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (8.1L Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining & Filling Cooling System .
  2. Remove the drive belt.
  3. Remove the fan clutch. Refer to Fan Replacement .
  4. Reposition the outlet hose clamp at the water pump.
  5. Remove the outlet hose from the water pump.
    Fig 1: Outlet Hose From Water Pump
    G01658167Courtesy of GENERAL MOTORS CORP.
  6. Reposition the bypass hose clamps at the water pump and water crossover.
  7. Remove the bypass hose.
    Fig 2: Bypass Hose
    G01658168Courtesy of GENERAL MOTORS CORP.
  8. Remove the water pump bolts.
  9. Remove the water pump.
  10. Remove and discard the water pump gaskets.
    Fig 3: Water Pump & Gaskets
    G01658169Courtesy of GENERAL MOTORS CORP.