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Problems with 2003 Chevrolet Avalanche 1500 ENGINE

On average, the 2003 Chevrolet Avalanche 1500 starts to “feel” problems with the ENGINE and its various aspects after 94 518 miles.

Recently reported ENGINE problems on 2003 Chevrolet Avalanche 1500

Tl* 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 *js

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. *tr

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. *tr

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