C 1500 Suburban 2WD V8-4.8L VIN V (2002)
8. Disconnect the coolant heater electrical connector (2).
Important: Do not score the surface of the engine block hole when removing the coolant heater.
9. Remove the coolant heater from the engine block.
10. Remove any burrs, sealer, or other rough spots.
Installation Procedure
1. If reusing the old coolant heater, apply thread sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads.
Notice: Refer to Fastener Notice in Cautions and Notices.
2. Install the coolant heater to the engine block.
-
Tighten the coolant heater to 50 Nm (37 ft. 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.
