Print this page 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.


pretty bad
Typical Repair Cost:
Average Mileage:
65,729 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. replace front blower motor (2 reports)
2003 Chevrolet Trailblazer AC / heater problems

AC / heater problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2003 Chevrolet Trailblazer:

Unsubscribe any time. We don't sell/share your email.

2003 Chevrolet Trailblazer Owner Comments

problem #2

Jan 012008


  • Automatic transmission
  • 60,000 miles


Whomever is reading this...this vehicle is nothing but problems. I purchased the vehicle 3 years ago and have nothing but problems. It is a money pit for sure!!!!!!!!!!!!!!! I have had to have the heating and ac worked on 5 times since I bought the vehicle. Always different problems. And it seems to happen at the worst the summer 90 degree weather the ac goes out, and in the dead of winter the heat goes out. I have put over $3600.00 into fixing the heating and cooling in this car in the last 3 years. Wish I could afford to get rid of it!!!!!!!!!!!!!

- , Newton Falls, OH, USA

problem #1

Jul 302008

Trailblazer LT EXT 4.2L Inline 6

  • Automatic transmission
  • 71,458 miles

Problem: Front Blower Motor Inoperative

Description: In all operating modes, the front blower motor fails to operate. During all operating modes (inbound & recirculating air, a/c, heat, vent and front defrost) the blower motor fails to operate.

Result: During operation while vehicle is stopped no air movement will go through any front vents or front defrost for windshield. During operation while vehicle is in movement, air will move but only due to vehicle movement of air and not the blower pushing air through the vents.

Workaround: Use rear vent override to push air through rear vents, this will result in air filling from the rear of the vehicle into the front. Vehicle experiencing this problem may have to wait to defrost windshield as defrost will not work with rear vents on or off. Rear defrost continues to operate.

Solution: Replace Front Blower Motor.

- , Mississauga, Ontario, Canada

Not what you are looking for?