INSTALLATION
3.7L
1. Thoroughly clean core hole and heater seat.
2. Insert heater assembly with element loop positioned upward .
3. With heater seated, tighten center screw securely to assure a positive seal.
CAUTION: To prevent damage, the power cord must be secured in it's retaining clips, and not positioned so it could contact linkages or exhaust manifold.
4. Connect power cord to heater.
5. Lower vehicle.
6. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
4.7L
1. Thoroughly clean cylinder block core hole and block heater seat.
2. Insert block heater assembly with element loop pointing at twelve o'clock.
3. With block heater fully seated, tighten center screw to 2 N·m (17 in. lbs.) torque.
4. Refill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
5. Start and warm the engine. Check for leaks.
5.7L ENGINE
1. Thoroughly clean cylinder block core hole and block heater seat.
2. Insert block heater assembly (1) into the block.
3. With block heater fully seated, tighten bolt (1) to 2 N·m (17 in. lbs.) torque.