Coolant leak from thermostat housing or water pumpENGINE15 complaints2020-06 → 2024-03audi-a4-2017-coolant-thermostat-leak
- 11496622 Symptom of low coolant in overflow reservoir; below minimum line. Pressure test concluded leak in thermostat/water pump part
- 11439022 This car has a KNOWN issue with the water pump housing leaking well before the expected lifespan of said part/gasket and Audi has not issued a TSB regarding it
- 11394694 MY VEHICLE IS LEAKING COOLANT. EVERY 8-10K MILES IT GOES BELOW NORMAL LEVEL IN RESERVOIR . THERE IS A DISTINCT ODOR OF COOLANT EACH TIME I GET OUT OF THE VEHICLE