Head gasket coolant loss and seepage
ENGINE AND ENGINE COOLING
7 NHTSA complaints · 2024-09-06 → 2026-07-20
“Opened hood and car was completely out of coolant. Took to Royal Automotive, Vestavia Hills, AL on Wednesday XXX to be fixed. Dealer assessment was “PERFORMED COOLING SYSTEM LEAK TEST. THE VEHICLE PASSED TEST. CHECK FOR VISUAL LEAKS. FOUND NO LEAKS, BUT FOUND SEEPAGE AT THE…”
“Out of nowhere, my engine overheated and I lost my coolant. Upon pulling over, I observed no trail of coolant and nothing leaking under my vehicle. I refilled the coolant and made it home. The next morning, my coolant tank was empty again. I took it to my local VW dealership and…”
“My 2023 vehicle has needed coolant topped off every 5-10K miles. This appears to be a very common occurrence for several owners however dealerships are just telling folks to top off as it's due to evaporation (it's a closed system and shouldn't evaporate)”