Coolant pump and thermostat housing leaks
ENGINE
6 NHTSA complaints · 2019-03 → 2026-06
“Coolant tank empty - leaking. Coolant leaking from the thermostat housing to engine. Had to replace the thermostat housing and reseal the valve cover Because the oil leak coming from the valve cover is causing oil to reach the thermostat sear and cause the rubber seal to expand”
“coolant is leaking from pump and tstat housings. pump was replaced in 2018 and 2019 by audi due to audi recall. now it is leaking after only 6 years. seems like faulty materials and creates hazardous situation. leaks confirmed via diagnostics by Premier1 auto and certified”
“thermostat housing leaking at the top edge and the coolant pump leaking, replaced thermostat housing and coolant pump assembly. vehicle is available for inspection upon request. the coolant reservoir would empty every time I drove the car or let it sit, the vehicle did let me”