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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1115 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Water Pump Components
    GM1395996Courtesy of GENERAL MOTORS CORP.
  1. Install the NEW water pump gasket.
  2. Install the water pump.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the water pump bolts.

    Tighten:  Tighten the water pump bolts to 10 N.m (89 lb in).

    4. Fig 2: View Of Water Pump Pulley
    GM1394038Courtesy of GENERAL MOTORS CORP.
  4. Install the water pump pulley.
    5. Fig 3: Securing Water Pump Pulley With EN 46104
    GM1342893Courtesy of GENERAL MOTORS CORP.
  5. Use the EN 46104  in order to retain the water pump pulley.
  6. Install the water pump pulley bolts.

    Tighten:  Tighten the water pump pulley bolts to 12 N.m (106 lb in).

  7. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.6L (LY7).
  8. Fill the cooling system. Refer to Draining and Filling Cooling System .
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