Express 1/2 Ton Van V6-4.3L VIN X (2003)
3. Tighten the coolant heater bolt until both of the locking wings draw tightly against the inner wall of the engine block.
^
Tighten the bolt to 2 Nm (18 inch lbs.).
Notice: The heater cord must not touch the engine, hot pipes, manifold, or any moving parts. Route the cord to the left front of the engine
compartment securing with tie straps as necessary to prevent damage.
4. Connect the heater cord to the coolant heater (4)
5. Fill the cooling system.
6. Inspect the cooling system for leaks.
