Engine Block Heater: Service and Repair

Block Heater

Block Heater:

Removal and Installation
1. Drain the engine cooling system.
2. Disconnect the battery ground cable.
3. Disconnect the block heater electrical connector and position aside.

4. CAUTION: Do not loosen the block heater retaining screw more than necessary for removal.

Loosen the block heater retaining screw and remove the block heater.
- To install, tighten to 2 Nm (18 inch lbs.).
5. To install, reverse the removal procedure.
- Lubricate the block heater seal and the cylinder block hole with clean engine coolant to ease installation.
- Make sure the block heater electrical connector is routed and secured away from rotating or hot components or damage to the cable can occur.
6. Fill and bleed the cooling system.