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2003 Chevrolet Trailblazer
AC / heater Problems
CarComplaints.com Notes: Carrying the not-so-proud traditions of its 2002 predecessor, the 2003 has a handful of instrument panel malfunctions that can leave you guessing your speed, engine temperature or how much gas is left in the tank.
Worst 2003 Trailblazer AC / heater Problems
Click on a problem below to read more.
- fan switch doesn't work on all settings5
- A/C blows warm air3
- ac/heat doesn't work when idling2
- blower inoperative2
- vents malfunctioning2
- condensor drain leaking into vehicle interior1
- external temperature incorrect1
- foul odor coming from air vent1
- heater runs continuously on side and back1
- no air flow through front vents1
- repeated a/c motor failure1
- ticking sound1
- NHTSA: Equipment: Electrical: Air Conditioner12
- NHTSA: Equipment: Air Conditioner1
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Check out our Chevrolet Trailblazer overview to see the most problematic years, worst problems and most recently reported complaints with the Trailblazer.