Fuel Meter Body: Service and Repair

13 51 522 - Fuel metering unit (M47TU/M47T2 / M57TU, M57T2)





Necessary preliminary tasks:
- Remove air intake manifold (M47TU, M47T2 only).





Important!
Adhere to the utmost cleanliness.
Dirt particles must not be allowed to get into the high-pressure pump.

Disconnect plug connection (1) on metering unit.

Release screws (2).





Remove metering unit (1) in direction of arrow.





Assemble engine.
Check fuel system for leaks.
Check function of DDE.