Fuel Line To Metering Pump, Bleeding: Procedure

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2020 Audi S4, 2019 Audi S4, 2019 Audi A4 allroad, 2019 Audi A4, and 2018 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Parking heater switched off.

-- Connect the :VAS5226 to the compressed air.

Fig 1: Identifying Metering Pump -1- And Fuel Supply Line -2-

Courtesy of AUDI OF AMERICA, LLC

-- On the metering pump -1- remove the fuel supply line -2- from the fuel tank.

-- Connect the :VAS5226 to the fuel supply line using the adapter from the :VAS6213 and bleed it by extracting briefly.

-- Re-install the fuel supply line to the metering pump.

-- Switch on the parking heater and let it run approximately 10 minutes at full load.