TrailBlazer 4WD L6-4.2L VIN S (2002)
Heater Core: Service and Repair
Heater Core Replacement - Auxiliary
REMOVAL PROCEDURE
1. Remove the HVAC module-auxiliary. See: Housing Assembly HVAC/Service and Repair/HVAC Module Assembly Replacement - Auxiliary
2. Remove the screws from heater core cover-auxiliary (3) from the HVAC module-auxiliary.
3. Remove the heater core cover-auxiliary (3).
4. Remove the HVAC module pass thru seal-auxiliary.
Remove the heater core-auxiliary (2) from the HVAC module-auxiliary.
INSTALLATION PROCEDURE