We don't have a lot of Audi A4 cooling system problems on file — feel free to add yours here. The most common A4 cooling system problems cost $700 to fix & occur at 75,000 miles. Click on a year below.

Worst Cooling System Problems
thermostat failed 2009 Audi A4
water pump failure 2012 Audi A4
temp gauge moving to cold 1997 Audi A4