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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Water Pump
    GM946142Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW water pump seal.
  2. Install the water pump.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the water pump bolts.

    Tighten:  Tighten the water pump bolts to 10 N.m (89 lb in).

    4. Fig 2: View Of Water Pump Pulley
    GM902876Courtesy of GENERAL MOTORS CORP.
  4. Install the water pump pulley and the water pump pulley bolts.
    5. Fig 3: Securing Water Pump Pulley With EN 46104
    GM1342893Courtesy of GENERAL MOTORS CORP.
  5. Use the EN 46104  (1) in order to retain the water pump pulley.
  6. Install the water pump pulley bolts.

    Tighten:  Tighten the water pump pulley bolts to 12 N.m (106 lb in).

  7. Install the generator drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.6L (LY7).
  8. Fill the cooling system. Refer to Draining and Filling Cooling System (LY7)  or Draining and Filling Cooling System (L26) .
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