2007 Volkswagen Jetta Problems

RepairPal has identified the most common problems with the 2007 Volkswagen Jetta as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

The 2006-2008 Volkswagen Jetta and Jetta GLI with the 2.0L Turbo FSI engine looses power if the turbocharging system has a leak. The most common turbo boost leak is a torn rubber diaphragm on the diverter valve, which is intended to open only if pressure gets too high. Common symptoms are increased turbo noise when letting off of the gas pedal, and power loss.

If there is a turbocharging system leak, the system will need to be inspected, and the defective seals and/or valve will require replacement. 

The flywheel for the 2006-2008 Volkswagen Jetta with the 2.0L Turbo engine is a non-conventional "Dual Mass" flywheel. It is known to make light rattling noise when the engine is cold, and should subside once the engine temperature raises. If the rattle doesn't go away when the engine warms, the flywheel may have failed.

If the dual mass flywheel has failed, the only solution is to replace the flywheel.

2.0L turbo charged engines may develop a hesitation on acceleration and/or illumination of the Check Engine Light due to a failed high pressure fuel pump or a worn camshaft follower or camshaft. To help prevent this issue from occurring, the cam follower should be inspected every 10,000 - 15,000 miles. The camshaft lobe pushes on the follower to operate the high pressure fuel pump. 

To correct this issue one or all of the following will need replacement: the camshaft, high-pressure fuel pump, and/or the cam follower.


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 noise in the manual transmission models are common.

Shifting issues due to internal problems in high mileage automatic transmissions can be difficult to resolve without transmission replacement.

The water pump and/or other cooling system may develop a coolant leak. Oil leaking from the  valve cover gasket is also common.

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.

Condensation in the heater case may cause a musty odor from the heating, ventilation and AC (HVAC) system after sitting for two hours or more. Our technicians tell us that a cleaner is available for the heater case and the drain system should be checked for debris.

Heater core leaks are common in this model, more so if the wrong anti-freeze/coolant is used in the cooling system.