Auxiliary Fuel Pump -V393-, REMOVING AND INSTALLING: Installing

WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

Tightening specification: Refer to OVERVIEW - FUEL FILTER .

The direction of flow is marked on the fuel pump housing with arrows.

-- Install the right underbody trim panel, refer to OVERVIEW - UNDERBODY PANELS .

CAUTION:

Letting the high pressure pump run dry will damage it.

If the fuel filter, fuel lines or the Auxiliary Fuel Pump -V393- are being replaced, bleed the fuel system before starting the engine for the first time.

-- Bleed the fuel system, refer to FUEL SYSTEM, BLEEDING .