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Home >> Mercedes Benz >> 2009 >> E350 Base >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation -- E350 (211.256) >> Basic Knowledge >> Component description for the intake manifold tumble flap switchover valve - GF07.05-P-6030V

Component description for the intake manifold tumble flap switchover valve - GF07.05-P-6030V

ENGINE 272.920 in MODEL 203 up to Model Year 8 

ENGINE 272.922 in MODEL 211 

ENGINE 272.940 in MODEL 203 up to Model Year 8 

ENGINE 272.941 in MODEL 203 up to Model Year 8 

ENGINE 272.942 in MODEL 171 up to Model Year 8 

ENGINE 272.943 in MODEL 211, 219 

ENGINE 272.944 in MODEL 211 

ENGINE 272.945 in MODEL 251 up to Model Year 8 

ENGINE 272.946 in MODEL 221 up to Model Year 8 

ENGINE 272.960 in MODEL 203 up to Model Year 8 

ENGINE 272.963 in MODEL 171 up to Model Year 8 

ENGINE 272.964 in MODEL 211, 219 

ENGINE 272.965 in MODEL 221 up to Model Year 8 

ENGINE 272.966 in MODEL 230 up to Model Year 8 

ENGINE 272.967 in MODEL 164, 251 up to Model Year 8 

ENGINE 272.970 in MODEL 203 up to Model Year 8 

ENGINE 272.972 in MODEL 211 

ENGINE 272.975 in MODEL 221 up to Model Year 8 

ENGINE 273.922 in MODEL 221 up to Model Year 8 

ENGINE 273.923 in MODEL 164 up to Model Year 8 

ENGINE 273.924 in MODEL 221 up to Model Year 8 

ENGINE 273.960 in MODEL 211, 219 

ENGINE 273.961 in MODEL 216, 221 up to Model Year 8 

ENGINE 273.962 in MODEL 211 

ENGINE 273.963 in MODEL 164, 251 up to Model Year 8 

ENGINE 273.965 in MODEL 230 up to Model Year 8 

ENGINE 273.967 in MODEL 209 

ENGINE 273.968 in MODEL 221 up to Model Year 8 

ENGINE 272.940 in MODEL 209 

ENGINE 272.960 in MODEL 209 

Shown on ENGINE 272 

Fig 1: Locating Intake Manifold Tumble Flap Switchover Valve
G07282031Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Location 

The variable intake manifold switchover valve is mounted at the front of the variable intake manifold.

Task 

Pressurize tumble flap switchover aneroid capsule with vacuum or admitting air.

Fig 2: Intake Manifold Tumble Flap Switchover Valve De-energized And Actuated Diagram
G07282032Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Function 

Voltage is supplied from terminal 87. Coil resistance is approx. 30 Ω. The switchover valve is actuated at the ground side by the engine control unit through its own output stage.

A valve plate actuated by the coil armature switches between the atmospheric memory (ventilation via cap/flap??) and the vacuum memory.