Water Pump Replacement for Cadillac CTS 2008
Water Pump Replacement LY7, LLT
Special Tools
EN 46104 Water Pump Pulley Holding Tool
Removal Procedure
- Drain the cooling system. Refer to
Cooling System Draining and Filling .
- Remove the generator drive belt. Refer to
Water Pump and Generator Belt Replacement .
- Use the
EN 46104 (1) in order to retain the water pump pulley.
- Remove the water pump pulley bolts.
- Remove the water pump pulley.
- Remove the water pump bolts.
- Remove the water pump.
- Remove and DISCARD the water pump seal.
- Carefully clean the water pump sealing surfaces.
Installation Procedure
- Install a NEW water pump seal.
- Install the water pump.
Notice: Refer to Fastener Notice in the Preface section.
- Install the water pump bolts.
Tighten
Tighten the water pump bolts to 10 N·m (89 lb in).
- Install the water pump pulley and the water pump pulley bolts.
- Use the
EN 46104 (1) in order to retain the water pump pulley.
- Install the water pump pulley bolts.
Tighten
Tighten the water pump pulley bolts to 12 N·m (106 lb in).
- Install the generator drive belt. Refer to
Water Pump and Generator Belt Replacement .
- Fill the cooling system. Refer to
Cooling System Draining and Filling .