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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 596 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (8.1L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place NEW water pump gaskets and the water pump into position.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  2. Install the water pump bolts.

    Tighten 

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

    Fig 1: Installing Water Pump Bolts
    G01699600Courtesy of GENERAL MOTORS CORP.
  3. Install the bypass hose.
  4. Position the bypass hose clamps at the water pump and crossover.
    Fig 2: Installing Bypass Hose
    G01699601Courtesy of GENERAL MOTORS CORP.
  5. Install the outlet hose (2) to the water pump.
  6. Position the outlet hose clamp at the water pump.
  7. Install the fan. Refer to Fan Clutch Replacement .
  8. Install the drive belt tensioner.
  9. Fill the cooling system. Refer to Draining and Filling Cooling System .
    Fig 3: Installing Outlet Hose
    G01699602Courtesy of GENERAL MOTORS CORP.
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