NHTSA (USA)Critical
1990 VOLKSWAGEN GOLFNHTSA Campaign #92V050000
The official notice
Defect
THE END CAP CONNECTING THE HEAT EXCHANGER'S CORE TO THE ENGINE COOLING SYSTEM COULD RUPTURE AND ALLOW HOT COOLANT TO ESCAPE INTO THE PASSENGER COMPARTMENT.
Safety Risk
THE COOLANT ESCAPING INTO THE PASSENGER COMPARTMENT COULDCONTACT THE DRIVER'S FEET AND INJURE THE DRIVER. ALSO, STEAM FROM THE HEATEDLIQUID WILL CLOUD ON THE WINDOW SURFACES AND IMPAIR THE DRIVER'S VISION ANDCOULD RESULT IN A VEHICLE ACCIDENT.
Remedy
REPLACE THE HEATER CORE WITH AN IMPROVED HEATER CORE.
Updated June 10, 2026