GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Enclave - AWD 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Water Pump Replacement

Special Tools

EN 46104 Water Pump Pulley Holding Tool

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the drive belt. Refer to Drive Belt Replacement .
  3. Remove the right engine strut mount. Refer to Engine Mount Strut Replacement - Right Side .
  4. Remove the right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right Side .

    5. Object Number: 1412158 Size: SH
  5. Use the EN 46104 tool in order to retain the water pump pulley.

    6. Object Number: 1412160 Size: SH
  6. Remove the water pump pulley bolts.
  7. Remove the water pump pulley.

    8. Object Number: 1412162 Size: SH
  8. Remove the water pump bolts.
  9. Remove the water pump.
  10. Remove and DISCARD the water pump seal.
  11. Carefully clean the water pump sealing surfaces.

Installation Procedure

    Object Number: 1412162 Size: SH
  1. Install a NEW water pump seal.
  2. Install the water pump.

    3. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the water pump bolts and tighten to 10 N·m (89 lb in) .

    4. Object Number: 1412160 Size: SH
  4. Install the water pump pulley and the water pump pulley bolts.

    5. Object Number: 1412158 Size: SH
  5. Use the EN 46104 tool in order to retain the water pump pulley.
  6. Install the water pump pulley bolts and tighten to 10 N·m (89 lb in) .
  7. Install the right engine strut mount. Refer to Engine Mount Strut Replacement - Right Side .
  8. Install the right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right Side .
  9. Install the drive belt. Refer to Drive Belt Replacement .
  10. Fill the cooling system. Refer to Cooling System Draining and Filling .