Fuel Delivery Unit/Fuel Level Sensor, 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 DELIVERY UNIT/FUEL LEVEL SENSOR .

NOTE:

Replace the seal.

Be careful not to bend the floater arm on the Fuel Level Sensor -G- when installing the fuel delivery unit.

Make sure the fuel hoses are secure.

-- Make sure the ground wire -1- on the fuel pressure regulator and the sealing flange is securely attached -arrows-.

Fig 1: Fuel Delivery Unit Connectors

Courtesy of AUDI OF AMERICA, LLC

-- Make sure the following connectors are secure:

The connectors -2 and 3- must be connected securely to the locking flange.

-- Pull on the connector to make sure it is locked secure.

-- Insert the Fuel Level Sensor -G- into the fuel tank.

-- Install the fuel delivery unit in the fuel tank.

-- Install the new locking flange seal over the locking flange stretched and dry.

Fig 2: Moving Sealing Flange Into The Installation Position

Courtesy of AUDI OF AMERICA, LLC

-- Move the sealing flange into the installation position.

The tab -2- on the locking flange points toward the back opposite the direction of travel and must lie between the tongues -1- and -3- on the fuel tank.

Fig 3: Identifying Locking Ring Using Wrench T10202, Removal/Installation

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the locking ring using the Wrench - Fuel Sending Unit T10202.

-- Connect the fuel lines -1, 2 and 3-.

Fig 4: Identifying Fuel Lines At Sealing Flange

Courtesy of AUDI OF AMERICA, LLC

-- Connect the connectors.

-- Install the sealing flange cover, refer to Figure.

-- Install 1/3 of the rear seat, refer to SEAT BENCH/SINGLE SEAT, REMOVING AND INSTALLING .

-- After installing fuel delivery unit, fill vehicle with at least 5 liters (1.32 gallons) of fuel.

-- Bleed the fuel supply line for the metering pump on vehicle with an auxiliary heater, refer to FUEL SUPPLY LINE TO METERING PUMP, BLEEDING, VEHICLES WITH PARKING HEATER .