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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 467 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENT (V6)REMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716)  or Cooling System Draining and Filling (Static Fill) .
  2. Remove the generator drive belt. Refer to Water Pump and Generator Belt Replacement .
    3. Fig 1: View Of EN 46104
    GM1342893Courtesy of GENERAL MOTORS CORP.
  3. Use the EN 46104  (1) in order to retain the water pump pulley. See Special Tools .
    4. Fig 2: View Of Water Pump Pulley
    GM902876Courtesy of GENERAL MOTORS CORP.
  4. Remove the water pump pulley bolts.
  5. Remove the water pump pulley.
    6. Fig 3: View Of Water Pump
    GM946142Courtesy of GENERAL MOTORS CORP.
  6. Remove the water pump bolts.
  7. Remove the water pump.
  8. Remove and DISCARD the water pump seal.
  9. Carefully clean the water pump sealing surfaces.
RENDER: 1.0x

NO RELATED

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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.