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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System (L26 Static Fill) , Draining and Filling Cooling System (LY7 Static Fill)  or Draining and Filling Cooling System (L26, LY7, GE 47716 Fill) .
  2. Remove the generator drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.6L (LY7).
  3. Fig 1: Securing Water Pump Pulley With EN 46104
    GM1342893Courtesy of GENERAL MOTORS CORP.
  4. Use the EN 46104  (1) in order to retain the water pump pulley.
  5. Fig 2: View Of Water Pump Pulley
    GM902876Courtesy of GENERAL MOTORS CORP.
  6. Remove the water pump pulley bolts.
  7. Remove the water pump pulley.
  8. Fig 3: View Of Water Pump
    GM946142Courtesy of GENERAL MOTORS CORP.
  9. Remove the water pump bolts.
  10. Remove the water pump.
  11. Remove and DISCARD the water pump seal.
  12. Carefully clean the water pump sealing surfaces.