TrailBlazer 4WD L6-4.2L VIN S (2002)
Engine Block Heater: Service and Repair
Coolant Heater Cord Replacement
Coolant Heater Cord Replacement
Removal Procedure
1. Remove the PCM.
2. Remove the coolant heater cord from the engine harness bracket (1).
3. Remove the coolant heater cord from the coolant heater (2).
4. Remove the coolant heater cord from the battery cover (1).
Installation Procedure
1. Install the coolant heater cord to the coolant heater. Install the coolant heater cord to the engine harness bracket (1).
