Volkswagen Servicing GTI Coolant Leak Inspection

A 2013 Volkswagen GTI with 130,898 miles was brought to Auto Werkstatt’s Federal Way location after the owner noticed a coolant leak. Technicians verified the concern and found a constant slow drip occurring while the cooling system was under pressure. The leak was traced to the hose leading to the electric coolant pump.

During the inspection, technicians discovered that an aftermarket hose had been installed using screw clamps that were not sealing properly. The hose was also too short, preventing the electric coolant pump from sitting correctly in its mounting bracket. Auto Werkstatt recommended replacing the hose with an OE part that provides proper fitment and allows the use of OE spring clamps for improved sealing.

The inspection also identified additional concerns beyond the original coolant leak. Technicians found potential sources of multiple oil leaks and recommended cleaning and leak testing to determine their exact origins. The right rear shock was leaking and both rear shocks were recommended for replacement, while the left front strut was also showing signs of a slow leak and front strut replacement was recommended.

The vehicle inspection also revealed significant tire wear. The front left tire had excessive wear along the inner edge with the cords showing, while the front right tire was beginning to show cords along its inner edge. These findings, along with the suspension and fluid leak concerns, gave the owner a more complete picture of the vehicle’s condition.

After the coolant hose is replaced, Auto Werkstatt recommends thoroughly cleaning the surrounding components and pressure testing the cooling system again to confirm that there are no additional coolant leaks. This diagnostic approach allows the underlying cause of the leak to be addressed while also identifying other maintenance and repair concerns during the inspection.