2003 Chevrolet Trailblazer Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Chevrolet Trailblazer
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2003 Chevrolet Trailblazer ProblemsErratic Fuel Gauge Operation
The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.
On certain 2005 - 2007 vehicles, General Motors has provided a special service policy covering the fuel level sensor, agreeing to pay 50% of the repair cost. This coverage extends for 10 years or 120,000 miles from the original "in service" date of the vehicle. Please contact your local GM dealer for more information.
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Car went from being quiet to all of a sudden sounding like a lawn mower when it was started. Had it evaluated and it was a cracked exhaust manifold. The crack was right in the middle of the manifold. Called around for prices of repairing it and they were as high as $700. Just thought I would do a search on it and found a utube video on how to repair it yourself and was reading the comments below it. One person said the same thing happened...
The CD player in the radio may fail. Our technicians tell us that the radio will need to be removed and sent out to a radio repair shop to correct this condition.
2003 Chevrolet Trailblazer Questionstruck miss fire and idle rough since I change battery what can I do to fix it (2 answers)
disconnected battery post
Also my car starts intermittently when I pull on the bright lights on the multi-purpose switch the car will start sometimes
Replaced fan clutch twice die to ticking sound and sounds like jet engine. All gauges are normal and shifts normally. Any ideas
2003 Chevrolet Trailblazer RecallsRecall 05V494000
The turn signals may operate like hazard flashers when intending to signal for a turn. The driver may not be able to clearly signal their intentions, increasing the risk of a crash. Dealers will replace the suspect flasher modules with a new flasher designed with sealed relays for better durability. The recall began August 4, 2005. The GM recall number is 05044.