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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 821 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (4.8L, 5.3L, and 6.0L Engines) >> Installation Procedure

Installation Procedure

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Important:  All gaskets surfaces are to be free of oil or other foreign material during assembly.

  1. Install the water pump and NEW gaskets.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the water pump bolts.

    Tighten 

    1. 2.1. Tighten the bolts a first pass to 15 N.m (11 lb ft).
    2. 2.2. Tighten the bolts a final pass to 30 N.m (22 lb ft).
    Fig 1: Installing Water Pump And Gaskets
    G02117791Courtesy of GENERAL MOTORS CORP.
  3. Install the heater inlet hose to the water pump.
  4. Position the heater inlet hose clamp at the water pump.
    Fig 2: Installing Heater Inlet Hose To Water Pump
    G02117792Courtesy of GENERAL MOTORS CORP.
  5. Install the surge tank outlet hose to the water pump.
  6. Position the surge tank outlet hose clamp at the water pump.
    Fig 3: Installing Surge Tank Outlet Hose To Water Pump
    G02117793Courtesy of GENERAL MOTORS CORP.
  7. Install the outlet hose to the water pump.
  8. Position the outlet hose clamp at the water pump.
  9. Install the accessory drive belt. Refer to DRIVE BELT REPLACEMENT -- ACCESSORY in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  10. Install the fan blade. Refer to FAN REPLACEMENT  .
    Fig 4: Installing Outlet Hose To Water Pump
    G02117794Courtesy of GENERAL MOTORS CORP.
  11. Install the inlet hose to the water pump.
  12. Position the inlet hose clamp at the water pump.
    Fig 5: Installing Inlet Hose To Water Pump
    G02117795Courtesy of GENERAL MOTORS CORP.
  13. Install the engine vent inlet hose to the radiator hose clips.
  14. If necessary, install the engine sight shield. Refer to ENGINE SIGHT SHIELD REPLACEMENT (4.8L, 5.3L, AND 6.0L (RPO LQ4) or ENGINE SIGHT SHIELD REPLACEMENT (6.0L (RPO LQ9) in Engine Mechanical - 4.8L, 5.3L, and 6.0 L.
    Fig 6: Installing Engine Sight Shield
    G02117796Courtesy of GENERAL MOTORS CORP.
  15. Install the air cleaner outlet duct.
    Fig 7: Installing Air Cleaner Outlet Duct
    G02117797Courtesy of GENERAL MOTORS CORP.
  16. Align the arrow at the throttle body end of the duct with the throttle body attaching stud.
  17. Install the radiator inlet hose clip to the outlet duct.
  18. Tighten the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • MAF/IAT sensor

      Tighten 

      Tighten the clamps to 7 N.m (62 lb in).

  19. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
    Fig 8: Installing Radiator Inlet Hose Clip To Outlet Duct
    G02117798Courtesy of GENERAL MOTORS CORP.
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