Technical data

Table Of Contents
10
8
The displacement range of the pistons in the
VANOS control unit is converted into rotary
motion
by an infinitely variable gear mechanism
integrated in the sprockets.
10 - Hydraulic diagram of VANOS actuator S85
Index Explanation Index Explanation
A Exhaust 4 Filter 50 µm
B Intake 5 Check valve (optional)
C Advance 6 Solenoid valve (3/2-way)
D Retard 7 Adjustment piston, pressure
accumulator
1 Engine oil pump (1-5 bar) 8 Pressure accumulator shut-off valve
2 Filter 80 µm 9 Pressure accumulator
3 High pressure pump 115 bar (HDP) 10 Pressure relief valve HDP VANOS
hydraulic units (actuators)