Silverado Classic 1500 4WD V8-5.3L Hybrid (2007)
Engine Block Heater: Service and Repair
Coolant Heater Cord Replacement (5.3L (W/RPO L33)
Coolant Heater Cord Replacement (5.3L (w/RPO L33))
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the coolant heater cord from the coolant heater.
3. Remove the coolant heater cord clip (2) from the front brake pipe front pipe.
4. Remove the coolant heater cord retainer (1) and bolt (4). Ensure that the washer (3) is also removed.
5. Remove the coolant heater cord.
Installation Procedure