Removal Procedure
- Drain the cooling system. Refer to 
Cooling System Draining and Filling.
 
- Disconnect the coolant heater power supply cord from the coolant heater.
 
Note: A residual amount of coolant will drain from the engine block.
- Remove the coolant heater and seal from the engine block.
 
Installation Procedure
- Install the seal to the coolant heater.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the coolant heater into the engine block and tighten to 
60 N·m (44 lb ft).
 
- Connect the coolant heater power supply cord to the coolant heater.
 
- Fill the cooling system. Refer to 
Cooling System Draining and Filling.