Engine Block Heater: Service and Repair

Engine Block Heater (If Equipped) Removal and Installation

Removal
1. Disconnect negative (-) cable at battery.
2. Drain engine coolant.
3. Remove right side exhaust manifold.
4. Disconnect engine block heater and remove engine block heater (1).





Installation

Reverse removal procedure for installation, noting the following.
^ Install engine block heater (1) in the direction as shown in figure.





^ Tighten engine block heater mounting bolt (1) to specified torque.
Tightening torque
Engine block heater mounting bolt (a): 11 Nm (1.1 kg-m, 8.0 ft. lbs.)





^ Use new exhaust manifold gasket.
^ Tighten exhaust manifold mounting bolts and nuts to specified torque.
^ Refill coolant.
^ Finally, start engine and check for engine coolant leaks and exhaust gas leakage.

Engine Block Heater (If Equipped) Inspection
^ Check continuity between terminal "a" and "c". If there is no continuity, replace it.
^ Check that there is no continuity between terminal "a" or "b" and "c". If there is continuity, replace it.
^ Check continuity between terminal "c" and engine block heater body. If there is no continuity, replace it.