Reverse gear failures and noise in the manual transmission models are common.
Resources for the Repair and Maintenance of your 1990 Volkswagen Passat
1990 Volkswagen Passat
1990 Volkswagen Passat Problems
Ignition wire breakdown is common, resulting in misfires.
The water pump and/or other cooling system may develop a coolant leak. Oil leaking from the valve cover gasket is also common.
Shifting issues due to internal problems in high mileage automatic transmissions can be difficult to resolve without transmission replacement.
1990 Volkswagen Passat Recalls (Recent)
Summary: THE VENTURI TUBE LOCATED IN THE THROTTLE VALVE HOUSING CAN BECOME LOOSE AND FALL AGAINST THE THROTTLE PLATE.Learn more »