LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (8.1L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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 and Filling Cooling System (without HP2) .
  2. Remove the drive belt. Refer to Drive Belt Replacement - Accessory in Engine Mechanical - 8.1 L.
  3. Remove the fan clutch. Refer to Fan Clutch Replacement .
  4. Reposition the outlet hose clamp at the water pump.
  5. Remove the outlet hose from the water pump.
    6. Fig 1: Identifying Outlet Hose To The Water Pump
    GM751427Courtesy of GENERAL MOTORS CORP.
  6. Reposition the bypass hose clamps at the water pump and water crossover.
  7. Remove the bypass hose.
    8. Fig 2: View Of Bypass Hose & Clamps
    GM846662Courtesy of GENERAL MOTORS CORP.
  8. Remove the water pump bolts.
  9. Remove the water pump.
  10. Remove and discard the water pump gaskets.
    11. Fig 3: View Of Water Pump & Gasket
    GM470790Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals