Have a Car Question? Ask a Mechanic Online.
If you are experienced and comfortable dropping fuel tanks there is nothing special that would prevent you from doing the installation yourself. The parts should be readily available for you to purchase just as they would be for a repair shop. I am unsure of exactly where the vent valve connector is located but it should be easy to locate and match up once you have the new part in your hand.
2003 Jetta left rear window blue plastic part of the