Water Pump Replacement - LF1
Special Tools
EN 46104 Water Pump Pulley Holder
For equivalent regional tools refer to Special Tools .
Removal Procedure
- Drain the cooling system. Refer to Cooling System Draining and Filling .
- Remove the generator drive belt. Refer to Drive Belt Replacement .
- Use the EN 46104 water pump pulley holder to retain the 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.
Caution: Refer to Fastener Caution in the Preface section.
- Hand tighten the water pump bolts.
- Tighten the water pump bolts in sequence to 12 N·m (106 lb in).
- Tighten the water pump bolts a second pass in sequence to 12 N·m (106 lb in).
- Install the water pump pulley and the water pump pulley bolts.
- Use the EN 46104 water pump pulley holder to hold the pulley.
- Install the water pump pulley bolts and tighten to 12 N·m (108 lb in).
- Install the generator drive belt. Refer to Drive Belt Replacement .
- Fill the cooling system. Refer to Cooling System Draining and Filling .
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