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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 719 (ENGINE MECHANICAL - 3.8L (UNIT REPAIR))REPAIR INSTRUCTIONSWATER PUMP INSTALLATION
1999 GMC Forward Control 5.7 R, Automatic

Water Pump Installation

1999 GMC Forward Control 5.7 R, AutomaticSECTION Water Pump Installation
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the water pump gasket.
  2. Install the water pump.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the water pump bolts.

    Tighten 

    • Tighten the small water pump bolts to 22 N.m (16 lb ft).
    • Tighten the large water pump bolts to 34 N.m (25 Ib. ft).
      Fig 1: Water Pump, Gasket & Bolts
      G01703756Courtesy of GENERAL MOTORS CORP.
  4. Install the water pump pulley.
  5. Install the water pump pulley bolts.

    Tighten 

    Tighten the water pump pulley bolts to 13 N.m (116 Ib. in).

    Fig 2: Water Pump Pulley & Bolts
    G01703757Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.