We don't have a lot of Chevrolet Avalanche cooling system problems on file — feel free to add yours here. The most common Avalanche cooling system problems cost $1,000 to fix & occur at 114,000 miles. Click on a year below.

Worst Cooling System Problems
leaking coolant 2003 Chevrolet Avalanche
water pump failure 2002 Chevrolet Avalanche
coolant in the oil 2003 Chevrolet Avalanche