volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Injectors, high pressure accumulator > < Filling, bleeding fuel system
Checking for leaks in the fuel system
Checking for leaks in the fuel system
Procedure
–  Allow engine to run at average revs for a few minutes.
–  Switch off ignition.
–  Check the entire fuel system for leaks.
–  If leaks are found although the connections have been tightened to the correct torque, the relevant component must be renewed.
–  Then road test the vehicle, accelerating to full throttle at least once.
–  Finally, check the high-pressure area for leaks again.
   

Injectors, high pressure accumulator > < Filling, bleeding fuel system