Fuel Supply Line To Metering Pump, Bleeding, Vehicles With Parking Heater
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2011 Audi Q7, and 2010 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After working on the fuel delivery unit, bleed the fuel supply line for the metering pump on vehicles with a parking heater.
Special tools and workshop equipment required
- Suction PumpVAS5226
- Hand Vacuum PumpVAS6213
Procedure
- Parking heater switched off.
-- Connect the Suction PumpVAS5226 to the compressed air.
-- Remove the fuel supply line -2- from the fuel tank at the metering pump -1-. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .
-- Connect the Suction PumpVAS5226 with the adapter from the Hand Vacuum PumpVAS6213 to the fuel supply line and bleed it by extracting briefly.
-- Install the fuel supply line to the metering pump.
-- Switch the parking heater on and let it run approximately 10 minutes at full throttle.