Installation

REMOVE OR DISCONNECT
1. Drain coolant.
2. Water jacket plug. Carefully tap it near its outer edge, causing it to rotate out of hole. Do not score the machined surface of the hole. Grasp with pliers and pull to remove.
Clean
^ Core plug hole, removing any burrs, compound, paint, or rough spots.

Engine Coolant Heater Installation:

INSTALL OR CONNECT
1. Apply a coat of Permatex Thread Sealant with Teflon to the 0-ring and clean surface of plug opening.
2. Insert heater element and push tight to block. Position heater element as shown in Figure above.
3. Tighten bolt until both locking wings draw tight against inner wall of engine block.
Tighten
^ Bolt to 2 N.m (17 lb. in.).
4. Heater cord assembly. Secure cord to wiring harness with clips.

NOTICE: The heater cord must not touch the engine, hot pipes, manifold, or any moving parts. Route the cord as shown in Figure above.

5. Fill with coolant.