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Divert air switchover valve location/task/design/function - GF07.05-P-3104M

ENGINE 275.950 in MODEL 215, 220 

ENGINE 275.951 in MODEL 230 

ENGINE 275.953 in MODEL 216, 221 

ENGINE 275.954 in MODEL 230 

ENGINE 275.980 in MODEL 215, 220 

ENGINE 275.981 in MODEL 230 

ENGINE 275.982 in MODEL 216, 221 

ENGINE 285.950 in MODEL 240 

ENGINE 285.980 in MODEL 240 

Fig 1: Identifying Divert Air Switchover Valve Location
G04839837IMPORTANTCourtesy of MERCEDES-BENZ USA
  Divert air switchover valve location Mounted at the rear of the right cylinder head.
IMPORTANT
Note the danger of mixing up it with the air pump switchover valve.
 
  Divert air switchover valve task To apply vacuum to both air switchover valves from the vacuum reservoir when actuation of the membrane cells takes place.  
  Divert air switchover valve structure/function Supply of power to the electromagnetic valve takes place from terminal 87. The control unit ME actuates the valve from the earth side. An electromagnet with anchor actuates a valve which switches between the connections.