Fuel Delivery Unit/Fuel Level Sensor, Removing And Installing: Installing
Vehicles With Parking Heater:
-- When installing a new fuel delivery unit, the connection for the parking heater must be open. Refer to PARKING/AUXILIARY HEATER FUEL LINE, REMOVING AND INSTALLING .
Continuation for All Vehicles:
-- Replace the seal.
-- Attach the fuel lines -4- until it clicks into place.
-- Slide the fuel lines -3- onto the connection.
-- Push the slider -B- downward.
-- Check if both fuel lines are secure by pulling on them.
-- Be careful not to bend the floater arm on the fuel level sensor when inserting the fuel delivery unit.
-- At the same time turn and tilt the corresponding fuel delivery unit.
-- Install the dry fuel delivery unit seal -1- into the opening in the fuel tank.
-- Push the sealing flange -2- down against the spring force.
-- Bring the sealing flange into the installation position, and pay attention to the installation position. Refer to Figure.
-- Tighten the locking ring using the :T10202 .
-- Attach the fuel line -1- to the sealing flange until it clicks into place.
-- If equipped, install the fuel line -2- to the Metering Pump -V54- for the parking heater on the sealing flange. Refer to Fuel Line Installation: .
Further installation is the reverse order of removal. Note the following:
-- Pull on the connector to make sure it is secure.
Vehicles With a Fuel Tank Less Than Half Full:
-- After installing the fuel delivery unit, fill the fuel tank with at least 5 liters (1.3 gallons) of fuel through the filler neck.