It started with the airbag light, but nobody will own up to fixing it, as we moved from pa to fl. Then the brake lines went, all of them, now with the airbag issue the PCM is sending all kinds of stupid codes like the airbag issue is affecting the whole electrical system in the truck.

- Cape Coral, FL, USA

Engine light and reduce engine power and start loosing speed. After turned off for a few minutes work fine. This year in an hour ride have to stop at least 20 times. Computer codes stated need to change throttle body. Last week I change it and again the same problem.

- Summerfield, FL, USA

The contact owns a 2003 Chevrolet Avalanche 1500. The contact stated that the low coolant level warning light illuminated intermittently. The vehicle was taken to a dealer where it was diagnosed that the cylinder heads were fractured and allowing coolant to inadvertently enter the engine. As a result, the engine needed to be replaced. The manufacturer was notified of the failure. The vehicle was repaired at the owner's expense. The approximate failure mileage was 125,000 and the current mileage was 129,000. Updated 05/28/14 MA updated 06/4/2014

- Alexandria, MN, USA

For the last year or so my 2003 Chevy Avalanche has had an intermittent problem of throttling down when I hit about 60 mph. The error words pop up of "reduced engine power" and I have to pull over (after negotiating highway traffic to get to shoulder with no power) and turn engine off and let it sit for a few minutes before starting it. Sometimes it does it multiple times in the first hour of driving. Seems to do it more when the weather is colder than when hot.

- Azle , TX, USA

Rattle form the A/C belt tension-er when accelerating. Have changed multiple new tension-ers and there is still the rattle from the belt tensioner. I have found a tsb on the A/C compressor that leads to the issue.

- Columbus, GA, USA