2002 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE

Removal Procedure

  1. Drain the cooling system. Refer to Draining & Filling Cooling SystemΒ .
  2. Remove the drive belt guard.
  3. Loosen the water pump pulley bolts.
  4. Remove the drive belt. Refer to DRIVE BELT REPLACEMENT .
  5. Remove the water pump pulley bolts.
  6. Remove the water pump pulley.
    Fig 1: Water Pump Pulley
    G01807931Courtesy of GENERAL MOTORS CORP.
  7. Remove the water pump bolts.
  8. Remove the water pump (1).
  9. Fig 2: Water Pump & Gasket
    G01807932Courtesy of GENERAL MOTORS CORP.
  10. Remove the water pump gasket (2).
  11. Clean the water pump mating surfaces.
Factory Service Tools

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When to See a Mechanic

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

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

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