Water Pump Replacement (LY7)

Water Pump Replacement

Special Tools

EN 46104 Water Pump Pulley Holding Tool

Removal Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill-LY7, LZE, LZ4) Cooling System Draining and FillingCooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (GE 47716).
2. Remove the drive belt. Refer to Drive Belt Replacement .




3. Use the EN 46104 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.

Installation Procedure




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

Caution: Refer to Fastener Caution Fastener Caution.

3. 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 in order to retain the water pump pulley.
6. Install the water pump pulley bolts and tighten to 10 Nm (89 lb in).
7. Install the drive belt. Refer to Drive Belt Replacement .
8. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill-LY7, LZE, LZ4) Cooling System Draining and FillingCooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (GE 47716).