Component description for the variable intake manifold switchover valve - GF09.20-P-6001BK

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ENGINE 113.967 in MODEL 219

ENGINE 113.964 in MODEL 164.1

ENGINE 113.971 in MODEL 251

Location

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

Fig 1: Identifying Variable Intake Manifold Switchover Valve

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Task

Pressurize intake manifold switchover aneroid capsule with vacuum or admitting air.

Design

Electromagnetic switchover valve in plastic housing, coil resistance approx. 25 Ω.

Fig 2: Identifying Intake Manifold Switchover Diaphragm Unit And Variable Intake Manifold Switchover Valve

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Switched states of intake manifold switchover valve

Fig 3: Identifying Switched States Of Intake Manifold Switchover Valve

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Function

The variable intake manifold switchover valve is actuated at the ground side by the engine control unit through its own output stage.

The voltage is supplied through circuit 87.

A valve plate actuated by the coil armature switches between the atmospheric memory and the vacuum memory.