Engine Block Heater: Service and Repair
REMOVAL1. Disconnect negative (-) cable at battery.
2. Drain engine coolant.
3. Remove strut tower bar, if equipped.
4. Remove right side exhaust manifold.
5. Disconnect engine block heater connector and remove engine block heater (1).
INSPECTION
1. Check continuity between terminal "a" and "c" by using ohmmeter. If there is no continuity, replace engine block heater.
2. Check that there is no continuity between terminal "a" or "b" and "c". If there is continuity, replace engine block heater.
3. Check continuity between "c" and block heater body. If there is no continuity, replace engine block heater.
INSTALLATION
Reverse removal procedure for installation, noting the following:
^ Install engine block heater in the direction as shown in the figure.
^ Apply thread lock cement to block heater bolt (1).
"A": Thread Lock 99000-32020
^ Tighten engine block heater bolt to specified torque.
Tightening torque
Engine block heater bolt (a): 7 Nm (0.7 kg-m, 5.5 ft. lbs.)
^ Use new exhaust manifold gasket.
^ Tighten exhaust manifold bolts and nuts to specified torque.
^ Refill cooling system.
^ Finally, start engine and check for engine coolant leaks and exhaust gas leakage.