1990 Volkswagen Passat Recalls

(RepairPal Expert Overview)
Summary:

IN THE EVENT THE ENGINE OVERHEATS AND THE VEHICLE IS OPERATED CONTINUOUSLY IN THAT CONDITION, THE COOLANT PRESSURE WILL RISE TO A LEVEL AT WHICH THE HEAT EXCHANGER COULD LEAK.

(RepairPal Expert Overview)
Summary:

THE VENTURI TUBE LOCATED IN THE THROTTLE VALVE HOUSING CAN BECOME LOOSE AND FALL AGAINST THE THROTTLE PLATE.