Camshaft Adjustment Valve, Task
Camshaft Adjustment Valve, Task
ENGINE 137.970
Y49/1 Camshaft adjustment valve, left bank of cylinders
Y49/2 Camshaft adjustment valve, right bank of cylinders
1 Housing
2 Coil
3 Armature
4 Control plunger
A to working chamber in camshaft adjuster
P Engine oil feed (pressure side) when valve actuated
T Engine oil return flow (pressureless)
Opening/closing engine oil gallery to working chamber in camshaft adjuster