Auxiliary Fuel Pump - V393-, REMOVING AND INSTALLING: Removing
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.
-- Disconnect the connector -4- on the Auxiliary Fuel Pump -V393- -2-.
WARNING:
Very hot fuel can burn your skin.
- In extreme cases, the fuel lines and the fuel itself in vehicles with a common rail engine can be as hot as 100 °C (212 °F) after the engine has been turned off. Let the fuel cool down before opening any line connections otherwise there is a danger of scalding.
- Wear safety gloves
- Wear protective eyewear.
There is a risk of injury because the fuel is under pressure.
- To reduce pressure in fuel system, lay a clean cloth around the connector and carefully loosen connector.
NOTE:
Place a cloth underneath to catch any leaking fuel.
-- Clamp off the fuel hoses -1 and 3- with hose clamps Hose Clamps - Up To 25mm3094.
-- Disconnect the fuel hoses from the Auxiliary Fuel Pump -V393-.
-- Spray the rubber knobs -2 and 4- on the rubber bracket for the Auxiliary Fuel Pump -V393- -3- with a silicone-free lubricating spray.
-- Remove the rubber knobs from the Auxiliary Fuel Pump -V393- bracket -1-.