Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
Engine Block Heater: Service and Repair
Coolant Heater Replacement
Coolant Heater Replacement (LMM)
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) (See: Cooling System/Service and Repair)Cooling System
Draining and Filling (Static Fill) (See: Cooling System/Service and Repair).
2. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation (See: Maintenance/Wheels and Tires/Service and
Repair).
3. Remove the right engine mount. Refer to Engine Mount Replacement - Right Side (See: Drive Belts, Mounts, Brackets and Accessories/Engine
Mount/Service and Repair).
4. Disconnect the engine coolant heater cord.
5. Loosen the coolant heater bolt.
6. Remove the engine coolant heater from the engine block.
7. Do not score the machined surface of the hole.
8. Grasp the plug with pliers.
9. Pull the plug from the engine block.
10. Clean the core plug hole in order to remove the following substances:
*
Burrs
*
Compound
*
Paint
*
Rough spots
Installation Procedure
