Problem Reports
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1994 Volkswagen Jetta
High Mileage Automatic Transmissions May Have Shifting Problems
Shifting issues due to internal problems in high mileage automatic transmissions can be difficult to resolve without transmission replacement.
Power Window May Fail Due to Window Regulator
One or more power windows may fail. Our technicians tell us this is commonly due to a failed window regulator which will require replacement.
Reverse Gear Failures and/or Noise From Manual Transmission
Reverse gear failures and noise in the manual transmission models are common.
Difficult to Diagnose Electrical Issues Are Typically Due to Ground Issues
Electrical issues that are difficult to diagnose—and sometimes intermittent—are typically due to ground wiring issues. The most troublesome ground locations are under the battery or at the engine.
Wrong Anti-Freeze/Coolant May Cause Heater Core Leaks
Heater core leaks are common in this model, more so if the wrong anti-freeze/coolant is used in the cooling system.
Coolant and Oil Leaks
The water pump and/or other cooling system may develop a coolant leak. Oil leaking from the valve cover gasket is also common.
Shifting/Drivability Issues Due to Throttle Body Failure
Throttle body failure is not uncommon and can lead to shifting issues with the automatic transmission and other drivability concerns.
Ignition wires may break down and cause misfires
Ignition wire breakdown is common, resulting in misfires.
Hard starting due to coolant temp or oxygen sensor faults
Poor drivability symptoms—including hard starting—can be caused by coolant temperature sensor and oxygen sensor faults.
Oxygen and coolant sensor failures are common
Oxygen sensor and coolant temperature sensor failures are common.