Engine Block Heater: Service and Repair

Coolant Heater Replacement (2.5L Engine)

Removal Procedure





1. Drain the coolant.
2. Remove the exhaust manifold.
3. Disconnect the electrical cord connector from the engine coolant heater.





4. Remove the screw (2) from each end of the heater element retaining bracket.
5. Remove the bracket and the engine coolant heater from the engine block.
6. Inspect the hole in the block for smoothness. Remove any burrs or rough spots.

Installation Procedure





1. Apply a coat of petroleum jelly to the heater opening and the O-ring.

Notice: The block heater element must not touch the engine block inner wall in the installed position or damage to the engine block and the block heater could result.

2. Insert the engine coolant heater (1) into the hole in the engine block.





3. Install the engine coolant heater retainer bracket over the engine coolant heater, with the bent tabs facing the engine.

Notice: Refer to Fastener Notice in Service Precautions.

4. Tighten the engine cooler heater screws.
- Tighten the engine coolant heater screws to 7 Nm (5.5 ft. lbs.).
5. Install the exhaust manifold.
6. Connect the electrical cord connector to the engine coolant heater.

Caution: Refer to Block Heater Cord Caution in Service Precautions.

Notice: Refer to Engine Block Heater Cord Routing in Service Precautions.

Important: Do not secure the block heater cord to the brake, fuel or vacuum lines. The cord and the tie straps could chafe the lines and lead to corrosion on the lines.

7. Route and secure the cord.
8. Fill the cooling system.
9. Inspect the cooling system for leaks.