Engine Block Heater: Service and Repair
Block Heater1. Drain the cooling system.
2. Disconnect the battery ground cable.
3. NOTE: Make sure that the block heater wiring is routed and secured away from rotating or hot components, or damage to the wiring can occur.
Disconnect the block heater electrical connector.
4. Remove the block heater.
^ To install, tighten to 21 Nm (15 ft. lbs.).
5. To install, reverse the removal procedure.
6. Fill and bleed the cooling system.