RepairPal Certified shops can diagnose and repair your 2003 Chevrolet Trailblazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
You need the Mode Door actuator. On the drivers side of a/c heater box. Can be removed if you reach above the gas pedal. Experienced person only takes 15 minutes.
Defrost air all the time
You need the Mode Door actuator. On the drivers side of a/c heater box. Can be removed if you reach above the gas pedal. Experienced person only takes 15 minutes.