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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1349 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENT (LH2)INSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Water Pump Pulley & Bolts
    GM1201096Courtesy of GENERAL MOTORS CORP.
  1. Install the water pump and NEW seal to the engine front cover.
    2. NOTE: Refer to Fastener Notice .
  2. Install the water pump bolts.

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

    3. Fig 2: View Of Water Pump Pulley Bolts
    GM887761Courtesy of GENERAL MOTORS CORP.
  3. Install the water pump pulley to the water pump.
  4. Install the water pump pulley bolts.

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

  5. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Air Conditioning, Power Steering, and Water Pump .
  6. Install the water pump drive belt. Refer to Water Pump and Air Conditioning Compressor and Power Steering Pump Belt Replacement .
  7. Install the cooling fan. Refer to Engine Cooling Fan Replacement  or Engine Cooling Fan Replacement .
  8. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill)  or Cooling System Draining and Filling (GE 47716) .
RENDER: 1.0x

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When to See a Mechanic

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.