Water Pump Replacement LH2

1. Drain the cooling system. Refer to Cooling System Draining and Filling.
2. Remove the cooling fan. Refer to Engine Coolant Fan Replacement or Engine Coolant Fan Replacement.
3. Remove the water pump drive belt. Refer to Water Pump and Air Conditioning Compressor and Power Steering Pump Belt Replacement.
4. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Air Conditioning, Power Steering, and Water Pump.
5. Remove the water pump pulley bolts.
6. Remove the water pump pulley from the water pump.



7. Remove the water pump bolts.

Note: Use a catch basin to collect escaping coolant.

8. Remove the water pump and seal.

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.

1. Install the water pump and NEW seal to the engine front cover.

Caution: Refer to Fastener Caution in the Preface section.

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



3. Install the water pump pulley to the water pump.
4. Install the water pump pulley bolts and tighten to 12 N·m (106 lb in).
5. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Air Conditioning, Power Steering, and Water Pump.
6. Install the water pump drive belt. Refer to Water Pump and Air Conditioning Compressor and Power Steering Pump Belt Replacement.
7. Install the cooling fan. Refer to Engine Coolant Fan Replacement or Engine Coolant Fan Replacement.
8. Fill the cooling system. Refer to Cooling System Draining and Filling.

Water Pump Replacement LY7

Special Tools

EN 46104 Water Pump Pulley Holding Tool

1. Drain the cooling system. Refer to Cooling System Draining and Filling.
2. Remove the generator drive belt. Refer to Water Pump and Generator Belt Replacement.



3. Use the EN 46104 (1) in order to retain the water pump pulley.



4. Remove the water pump pulley bolts.
5. Remove the water pump pulley.



6. Remove the water pump bolts.
7. Remove the water pump.
8. Remove and DISCARD the water pump seal.
9. Carefully clean the water pump sealing surfaces.

1. Install a NEW water pump seal.
2. Install the water pump.

Caution: Refer to Fastener Caution in the Preface section.

3. Install the water pump bolts.

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




4. Install the water pump pulley and the water pump pulley bolts.



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 Water Pump and Generator Belt Replacement.
8. Fill the cooling system. Refer to Cooling System Draining and Filling.