Park Avenue V6-3.8L SC VIN 1 (2005)
Engine Block Heater: Service and Repair
Coolant Heater
Coolant Heater Replacement
Removal Procedure
1. Drain the engine coolant.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the lower radiator air deflector.
4. Disconnect the coolant heater cord (2) from the coolant heater (1).
5. Loosen the bolt at the coolant heater, but do not remove.
6. Remove the coolant heater.
7. Remove and clean any burrs, compound, paint, or rough spots from the core plug hole.
Installation Procedure
1. Apply a coat of Permatex (R) Thread Sealant with Teflon to the O-ring.
Important: Ensure both locking wings (1) are positioned against the inner wall of the engine block.
2. Install the coolant heater by pushing tight to the block.