One problem related to axle shaft seal has been reported for the 2001 Volkswagen Jetta. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Volkswagen Jetta based on all problems reported for the 2001 Jetta.
2001 vw Jetta - numerous build issues. Excessive oil consumption - 1 quart in 1000 miles. Vehicle re-ringed at 19k. Current mileage 47k - last oil change down 2 quarts in 5ooo miles. Window regulators - recall. Shifter shaft replaced for serious vibration in 2nd and 5th gears. Both front seats feel like they aren't locked in place! diagnosed as faulty weld at time of manufacture.