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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 (6.6L 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. Remove the left front fender wheelhouse inner panel (1).
    2. Fig 1: Fender Wheelhouse Inner Panel
    G01658158Courtesy of GENERAL MOTORS CORP.
  2. Drain the engine coolant and the engine block.

    Refer to Draining & Filling Cooling System .

  3. Remove the thermostat housing crossover. Refer to Thermostat Housing Crossover Replacement (6.6L Engine) .
  4. Remove the fan clutch. Refer to Fan Replacement .
  5. Remove the crankshaft balancer.
  6. Remove the water pump outlet pipe to water pump nuts.
    7. Fig 2: Water Pump Outlet Pipe
    G01658159Courtesy of GENERAL MOTORS CORP.
  7. Remove the engine wiring harness retainer from the inner stud.
  8. Remove the water pump bolts. Note the location of the bolts. The bolts are three different lengths.
  9. Remove the water pump assembly.
  10. Remove the water pump outlet pipe gasket.
    Fig 3: Water Pump Assembly
    G01658160Courtesy of GENERAL MOTORS CORP.
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