3 / 2 Way Valve - Pressure REG.

Removing and installing/replacing 312-way valve (M44, M52, S52)


Interrogate fault memory of DME control unit. Switch off ignition.







Release screws
Remove cover.







Plug all fuel hoses with special tools 13 3 010.







Detach vacuum hose (1) from pressure regulator.


CAUTION!
Catch and dispose off escaping fuel.


Release hose clamps (2-5) and detach fuel hoses.

Installation:
Replace fuel lines and hose clips.







Unfasten plug connection (1).







Unfasten nuts (1) and remove 3/2-way valve.

Installation:
Interrogate fault memory of DME control unit, check faults in memory then cancel fault memory.