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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 853 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENTREMOVAL PROCEDURE
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Removal Procedure

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Removal Procedure
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system until the coolant is below the level of the water pump. Refer to DRAINING AND FILLING COOLING SYSTEM  .
  2. Remove the drive belt guard.
  3. Loosen the water pump pulley bolts.
  4. Remove the drive belt. Refer to DRIVE BELT REPLACEMENT in Engine Mechanical - 3.4L.
    Fig 1: Loosening Water Pump Pulley Bolts
    G01500981Courtesy of GENERAL MOTORS CORP.
  5. Remove the water pump pulley bolts.
  6. Remove the water pump pulley.
    Fig 2: Removing Water Pump Pulley And Bolts
    G01500982Courtesy of GENERAL MOTORS CORP.
  7. Remove the water pump bolts.
  8. Remove the water pump.
  9. Remove the water pump gasket.
  10. Clean the water pump mating surfaces.
Fig 3: Removing Water Pump And Bolts
G01500983Courtesy of GENERAL MOTORS CORP.
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.