Popping sounds from the rear of the vehicle may be heard moments after starting the engine, or when slowing to a stop. This noise is from the leak detection pump filling the fuel tank with air, and releasing to retest the system when it finds a fault. The sequence of faults identifying this issue are as follows:

Succession of loud pops from rear of vehicle

Pops go away, and fuel economy decreases

Check engine light illuminates

OBD trouble code P2404 and/or P0441is stored

Engine will not start after refueling (must crank for over 30 seconds)

Vibration when slowing to a stop

The cause is a valve which is mounted on the front of the intake manifold, commonly called the N80 valve, or EVAP system purge valve. The valve is designed to open under specific circumstances, but a worn valve will remain open at all times, preventing the pressurization of the fuel tank. Correction of the issue is to replace the N80 valve with the latest revision.

Some Volkswagen Golf TDI owners report experiencing frequent failures of the glove box hinges, which are made of plastic and are prone to breaking. This issue has been noted multiple times by owners, with some encountering it as many as three times over ten years, highlighting the recurring nature of the problem and the frustration it causes. To mitigate this issue, some owners recommend using a kit designed to repair broken glove box hinges to prevent the door from falling out of place. Additionally, inspecting the glove box area for signs of creaking or rattling can help identify potential problems early on. Understanding the function and failure modes of the glove box components is also advised. For those needing repairs, techniques such as using epoxy or JB Weld for reinforcement have been suggested as effective solutions. Taking these proactive steps can help ensure smoother operation and reduce the likelihood of repeated hinge failures.