K 2500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2002)
8. Remove the engine coolant heater from the engine block.
9. Do not score the machined surface of the hole.
10. Grasp the plug with pliers.
11. Pull the plug from the engine block.
12. Clean the core plug hole in order to remove the following substances:
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Burrs
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Compound
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Paint
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Rough spots
Installation Procedure
1. Coat the O-ring seal and the cleaned surface of the plug opening with water resistant high-temperature grease GM P/N United States 1052196, GM
P/N Canada 5264008, or the equivalent.
Important: Avoid element contact with the inside walls of the engine block.
2. Align the coolant heater element to point towards the top of the engine.
3. Tightly push the coolant heater into the engine block.
Notice: Refer to Fastener Notice in Service Precautions.
4. Tighten the bolt on the engine coolant heater until both of the locking wings draw tightly against the inner wall of the engine block.
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Tighten the bolt in order to retain the engine coolant heater to the engine block to 2 Nm (18 inch lbs.).
