Water Pump Replacement LE5, L61
Special Tools
Removal Procedure
- Remove the thermostat housing. Refer to
Engine Coolant Thermostat Housing Replacement.
- Remove the coolant heater. Refer to
Coolant Heater Replacement.
- Remove the windshield washer solvent container. Refer to
Windshield Washer Solvent Container Replacement.
- Remove the water pump access plate from the front cover.
Note: The water pump holding tool supports the sprocket and chain during water pump service. The tool must be used or the balance shaft must be re-timed.
- Install the
J 43651 into position.
- Tighten the bolts on the water pump holding tool into the threads on the water pump sprocket.
- Install the access cover bolts that were removed earlier to secure the water pump holding tool to the front cover assembly.
- Remove the 3 inner water pump sprocket to water pump blots.
Note: Be sure to remove both water pump bolts from the front of the engine block.
- Remove the 2 water pump bolts.
- Remove the rear 2 water pump bolts.
- Remove the engine harness clip nut (2) from the water pump stud.
- Remove the engine harness clip (1) from the stud.
- Remove the water pump.
Installation Procedure
- Apply sealant to the water pump drain plug. Refer to
Adhesives, Fluids, Lubricants, and Sealers or
Adhesives, Fluids, Lubricants, and Sealers.
Caution: Refer to Fastener Caution in the Preface section.
- Install the water pump drain plug and tighten to
22 N·m (16 lb ft).
Note:
• | Prior to installing the water pump, read the entire procedure. This will help avoid balance shaft chain re-timing and ensure proper sealing. |
• | A guide pin can be created using a M6 m x 6 mm stud to aid in water pump alignment.. Thread the pin into the water pump sprocket. |
- Using the
J 25025-5 or the guide pin that was created, align the pin with the water pump holding tool.
- Position the water pump against the engine block and hand tighten the water pump bolts.
- Install the inner water pump sprocket bolts. After 2 are snug, remove the guide pin and install the 3rd bolt.
Tighten the water pump bolts to
25 N·m (18 lb ft).
- Tighten the water pump sprocket bolts last. Tighten the water pump sprocket bolts to
10 N·m (89 lb in).
- Remove the
J 43651 .
- Install the water pump access plate and bolts and tighten to
10 N·m (89 lb in).
- Install the coolant heater. Refer to
Coolant Heater Replacement.
- Install the windshield washer solvent container. Refer to
Windshield Washer Solvent Container Replacement.
- Install the thermostat housing. Refer to
Engine Coolant Thermostat Housing Replacement.
Water Pump Replacement LNF
Special Tools
J 43651 Water Pump Holding Tool
Removal Procedure
- Remove the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement.
- Remove the thermostat housing. Refer to
Engine Coolant Thermostat Housing Replacement.
- Remove the water pump access plate from the front cover.
Note: A drain plug has been provided at the bottom of the water pump assembly for additional coolant drainage from the engine block and water pump.
- Drain the coolant from the water pump using the plug at the bottom of the pump.
Note: The water pump holding tool supports the sprocket and chain during water pump service. The tool must be used or the balance shaft must be re-timed.
- Install the
J 43651 (1) into position.
- Tighten the bolts on the water pump holding tool into the threads on the water pump sprocket.
- Install the access cover bolts that were removed earlier to secure the water pump holding tool to the front cover assembly.
- Remove the 3 inner water pump sprocket to water pump blots.
Note: Be sure to remove both water pump bolts from the front of the engine block.
- Remove the 2 water pump bolts.
- Remove the rear 2 water pump bolts.
- Remove the water pump.
- Remove and discard the water pump O-ring seal.
Installation Procedure
Note: Prior to installing the water pump, read the entire procedure. This will help avoid balance shaft chain re-timing and ensure proper sealing.
- Install a NEW water pump O-ring seal.
Note: A guide pin can be created to aid in water pump alignment. Use a M 6 m x 6 mm stud. Thread the pin into the water pump sprocket.
- Using the guide pin, align the pin with the water pump holding tool.
- Position the water pump against the engine block and hand tighten the water pump bolts.
Caution: Refer to Fastener Caution in the Preface section.
- Install the inner water pump sprocket bolts. After 2 are snug, remove the guide pin and install the 3rd bolt.
Tighten
Tighten the bolts to 25 N·m (18 lb ft).
- Tighten the water pump sprocket bolts last.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Remove the
J 43651 (1).
- Install the water pump access plate and bolts.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install the thermostat housing. Refer to
Engine Coolant Thermostat Housing Replacement.
- Install the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement.