FUEL LINE TO Metering Pump -V54-, BLEEDING
WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
After working on the fuel delivery unit, the fuel supply line to the Metering Pump -V54- must be bled on equipment levels with a parking/auxiliary heater.
Special tools and workshop equipment required
Procedure
- Parking heater switched off.
-- Connect the Suction Pump:VAS 5226 to compressed air.
-- On the metering pump -1- remove the fuel supply line -2- from the fuel tank.
-- Connect the Suction Pump:VAS 5226 to the fuel supply line using the adapter from the Hand Vacuum Pump:VAS 6213 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.