Heater core failure with coolant or steam in cabin
ENGINE AND ENGINE COOLING
3 NHTSA complaints · 1999-09 → 2005-07
“HEATER CORE FAILED CAUSING ENGINE COOLANT TO LEAK INSIDE PASSENGER COMPARTMENT OF VEHICLE, ANTIFREEZE ODOR APPARENT DURING WARM UP OF VEHICLE”
“1995 VW GOLF HEATERCORE BLEW. WIFE WAS DRIVING DOWN THE HIWAY FOR NO REASON THE CORE BLEW”
“WHEN THE HEATER CORE FAILS THE CAR FILLS WITH STEAM AND YOU HAVE NO DRIVING VISIBILITY!”