GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 XLR 🢒 Preface 🢒 Cautions and Notices 🢒 Water Pump Replacement

Water Pump Replacement LH2

Removal Procedure
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Remove the drive belt. Refer to Drive Belt Replacement.
  3. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.
  4. Drain the cooling system. Refer to Cooling System Draining and Filling.
  5. Remove the water pump bolts.

    6. Object Number: 1201096 Size: SH
  6. Remove the water pump pulley from the water pump.
  7. Remove the water pump from the engine front cover.
  8. Remove the water pump gasket and discard.
  9. Clean and inspect the water pump. Refer to Water Pump Cleaning and Inspection.

Installation Procedure
  1. Install the water pump pulley to the water pump.

    2. Object Number: 1201096 Size: SH
  2. Install the water pump and gaskets to the engine front cover.

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

  3. Install the water pump pulley bolts to the water pump.

    4. Tighten
    Tighten the water pump pulley bolts to 10 N·m (89 lb in).

  4. Install the water pump bolts.

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

  5. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.
  6. Install the drive belt. Refer to Drive Belt Replacement.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling.
  8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.

Water Pump Replacement LC3

Removal Procedure

    Object Number: 1688442 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  3. Remove the water pump drive belt. Refer to Water Pump and Generator Belt Replacement .
  4. Remove the water pump and generator drive belt tensioner. Refer to Water Pump and Generator Drive Belt Tensioner Replacement .
  5. Remove the water pump pulley bolts.
  6. Remove the water pump pulley from the water pump.

    7. Object Number: 1688443 Size: SH
  7. Remove the water pump bolts.

    8. Important: Use a drain pan to collect escaping coolant.

  8. Remove the water pump and seal.

    9. Do not reuse the seal.

  9. Clean the water pump mating surfaces.
  10. Clean and inspect the water pump. Refer to Water Pump Cleaning and Inspection .

Installation Procedure

    Object Number: 1688443 Size: SH
  1. Install the water pump and NEW seal to the engine front cover.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the water pump bolts.

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


    Object Number: 1688442 Size: SH
  3. Install the water pump pulley to the water pump.
  4. Install the water pump pulley bolts.

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

  5. Install the water pump and generator drive belt tensioner. Refer to Water Pump and Generator Drive Belt Tensioner Replacement .
  6. Install the water pump drive belt. Refer to Water Pump and Generator Belt Replacement .
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  8. Fill the cooling system. Refer to Cooling System Draining and Filling .