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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 674 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (8.1L Engine) >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Water Pump & Gasket
    GM470790Courtesy of GENERAL MOTORS CORP.
  1. Place NEW water pump gaskets into place.
  2. Install the water pump.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the water pump bolts.

    Tighten:  Tighten the water pump bolts to 50 N.m (37 lb ft).

  4. Fig 2: Thermostat Bypass Hose & Clamps
    GM470692Courtesy of GENERAL MOTORS CORP.
  5. Install the bypass hose.
  6. Position the bypass hose clamps at the water pump and water crossover.
  7. Fig 3: Identifying Outlet Hose To The Water Pump
    GM751427Courtesy of GENERAL MOTORS CORP.
  8. Install the outlet hose to the water pump.
  9. Position the outlet hose clamp at the water pump.
  10. Install the fan clutch. Refer to Fan Clutch Replacement .
  11. Install the drive belt. Refer to DRIVE BELT REPLACEMENT -- ACCESSORY .
  12. Fill the cooling system. Refer to Draining and Filling Cooling System .