GM Service Manual Online
For 1990-2009 cars only

Water Pump Removal LS


    Object Number: 630355  Size: SH
  1. Remove the engine coolant temperature sensor.

  2. Object Number: 412421  Size: SH
  3. Remove the thermostat and water feed pipe retaining bolts.
  4. Important: Twist the water feed pipe while pulling to remove it from the water pump cover.

  5. Remove the thermostat housing and water feed pipe from the water pump cover.

  6. Object Number: 412423  Size: SH
  7. Remove the water pump retaining bolts. Be sure to remove the bolt that goes through the front of the engine block.
  8. Remove the water pump assembly.

Water Pump Removal SUV


    Object Number: 746068  Size: SH
  1. Remove the engine coolant temperature sensor.

  2. Object Number: 746070  Size: SH
  3. Remove the thermostat and water feed pipe retaining bolts.
  4. Important: Twist the water feed pipe while pulling to remove it from the water pump cover.

  5. Remove the thermostat housing and water feed pipe from the water pump cover.

  6. Object Number: 412423  Size: SH
  7. Remove the water pump retaining bolts. Be sure to remove the bolt that goes through the front of the engine block.
  8. Remove the water pump assembly.