Water Pump Replacement

Water Pump Replacement (LF1)

Tools Required

EN 46104 Water Pump Pulley Holder

For equivalent regional tools, see Special Tools

Removal Procedure

1. Drain the cooling system. See Cooling System, Draining and Filling (GE 47716) Cooling System, Draining and Filling (Static Fill LAU) Cooling System, Draining and Filling (Static Fill LF1)
2. Remove the generator drive belt. Refer to Drive Belt Replacement
3. Use the EN 46104 Water pump pulley holder to retain the 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.

Installation Procedure

1. Install a NEW water pump seal.





2. Install the water pump.
3. Refer to Fastener Caution.

Install the water pump bolts and tighten to 10 Nm (89 lb in).
4. Install the water pump pulley and the water pump pulley bolts.





5. Use the EN 46104 Water pump pulley holder to hold the pulley.





6. Install the water pump pulley bolts and tighten to 12 Nm (108 lb in).
7. Install the generator drive belt. Refer to Drive Belt Replacement.
8. Fill the cooling system. See Cooling System, Draining and Filling (GE 47716) Cooling System, Draining and Filling (Static Fill LAU) Cooling System, Draining and Filling (Static Fill LF1).