gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Coolant Heater Cord Replacement|Page 3171 > < Engine Block Heater|Specifications
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Engine Block Heater: Service and Repair
Coolant Heater Cord Replacement

REMOVAL PROCEDURE

1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the engine block heater cord electrical connection from the engine block heater.
3. Remove the mounting bolts from the frame.

4. Remove the mounting bolts from the frame (4.8L, 5.3L, and 6.0L engines).
5. Remove the engine block heater cord.

INSTALLATION PROCEDURE

1. Install the engine block heater cord. 

Coolant Heater Cord Replacement|Page 3171 > < Engine Block Heater|Specifications