11 36 715 Removing and Installing/Replacing Both Solenoid Valves on Left Side

11 36 715 Removing and installing/replacing both solenoid valves on left side (S63)





Important!
Always check that the solenoid valves are clean during removal and installation.
Possible malfunctions if valves are contaminated:
^ Rough running
^ OBD incorrect entry
^ Poor exhaust gas values
^ Low engine power

Important!
Risk of damage!
Do not clean solenoid valves with compressed air.

Solenoid valves, cylinders 5-8:

Necessary preliminary tasks:
^ Read out fault memory in DME control unit
^ Turn off ignition
^ Unlock hose on tank venting valve and disconnect





^ Remove left intercooler
^ Carefully press pipe to one side





Note:
Solenoid valve (2) controls the inlet adjustment unit.

Solenoid valve (4) controls the exhaust adjustment unit.

Unlock plug connections of solenoid valves (2 and 4) and disconnect.

Installation:
Plug connections must snap audibly into place!

Unfasten screws (1 and 3).

Tightening torque 11 36 3AZ.

Pull out solenoid valves (2 and 4).

Installation:
Replace O-rings (1 and 2) on solenoid valve.

Installation:
To install solenoid valves, coat both O-rings with engine oil.

If the solenoid valve is to be reused, the filter strainer (see arrow) must be cleaned.








Note:
If a filter element is clogged with dirt, the filter element (filter strainer) may be removed.

Release filter elements (1) at contact edges.





Bend open welding spots on filter element (1) with a screwdriver (2) in direction of arrow until welding spots are opened.

Avoid damaging, e.g. notches or scratches, the solenoid valve housing (see arrows).








Carefully insert solenoid valves (2 and 4) up to stop.

Ensure correct installation position.

Insert screws (1 and 3) and tighten down.

Tightening torque 11 36 3AZ.





Assemble engine.

Delete fault memory.

Check function of DME control unit.