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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1497 (Engine Mechanical - 4.2L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Water Pump Removal

Water Pump Removal

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Tool Required 

J 41240  Fan Clutch Remover and Installer

  1. Install J 41240  to hold the pulley.
  2. Remove the water pump pulley bolts.
  3. Remove J 41240. 
  4. Remove the water pump pulley
    Fig 1: Removing Water Pump Pulley
    G02128659Courtesy of GENERAL MOTORS CORP.
  5. Remove the water pump bolts.
  6. Remove the water pump.
  7. Remove the water pump gasket.
    Fig 2: Removing Water Pump
    G02128660Courtesy of GENERAL MOTORS CORP.