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Removal Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the right engine splash shield. refer to Engine Splash Shield Replacement - Right Side .
    3. Fig 1: Identifying Water Pump Access Plate, Front Cover & Bolts
    GM2105283Courtesy of GENERAL MOTORS CORP.
  3. Remove the bolts (1) retaining the water pump access plate (2) and remove the plate from the front cover (3). Discard the seal.
  4. Drain the coolant from the water pump using the plug at the bottom of the pump. Refer to Cooling System Draining and Filling (Static Fill LNF)  or Cooling System Draining and Filling (GE 47716 Fill) .
  5. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LNF) .
    6. Fig 2: Thermostat Housing And Water Feed Pipe
    GM1769795Courtesy of GENERAL MOTORS CORP.
  6. Remove the radiator outlet pipe from the rear of the water pump and the thermostat housing by gently twisting.
    7. Fig 3: Identifying Water Pump Sprocket & Holding Tool
    GM2105286Courtesy of GENERAL MOTORS CORP.
    NOTE: The water pump holding tool supports the sprocket and chain during water pump service. The tool must be used or the balance shaft will have to be re-timed.
  7. Install the J 43651  (1) into position.
  8. Tighten the bolts on the water pump holding tool (2) into the threads on the water pump sprocket.
  9. Install the access cover bolts that were removed earlier to secure the water pump holding tool to the front cover assembly.
  10. Remove the three inner water pump sprocket to water pump bolts.
    11. Fig 4: Removing Water Pump Retaining Bolts From Front Of Engine Block (L61)
    GM951420Courtesy of GENERAL MOTORS CORP.
    NOTE: Be sure to remove both front water pump bolts from the front of the engine block.
  11. Remove the two front water pump bolts.
    12. Fig 5: Identifying Rear Water Pump Bolts
    GM1578334Courtesy of GENERAL MOTORS CORP.
  12. Remove the two rear water pump bolts.
    13. Fig 6: Installing Water Pump (L61)
    GM951638Courtesy of GENERAL MOTORS CORP.
  13. Remove the water pump.
  14. Remove and discard the water pump O-ring seal.
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