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Audi Workshop Service and Repair Manuals

Checking and adjusting CO2-content in additional heater exhaust gas > < Checking fuel delivery rate of metering pump -V54
Additional heater
Diversion of fuel for additional heater
Removing and installing metering pump -V54
 
A82-0244

Removing

  • ‒ Switch ignition off.
  • ‒ Remove the cover under the fuel filter.

=> Relevant Workshop Manual, Fuel System

  • ‒ → Remove the hexagon nuts (or hexagon bolts) -A-.
  • ‒ Unplug connector from the metering pump.
  • ‒ Detach the fuel lines -B- and -C- from the metering pump and seal them.

Notes:

  • ◆ Bolts (M6 x 10 mm) may be installed instead of nuts -A-. On the version with bolts observe the bolt length (the pull-in nut installed is sealed and allows only for a certain thread length).
  • ◆ The metering pump -E- is attached to bracket -D- with the rubber elements.
  • ◆ Ensure that metering pumps and associated fuel lines do not touch other components (noise).
  • ◆ The metering pump is installed under the right rear seat on the heel panel on the exterior of the vehicle floor panel outside the passenger compartment.

Installing

Installation is carried out in the reverse order; note the following:

  • ‒ Replace the hose clamps on the fuel lines and secure them using suitable pliers.
  • ‒ Ensure that the fuel lines are not twisted.
  • ‒ Secure the fuel lines at the fastening points provided.

Checking and adjusting CO2-content in additional heater exhaust gas > < Checking fuel delivery rate of metering pump -V54