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Home >> Audi >> 2016 >> S4 Premium Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Body Exterior - Cabriolet) >> 61 - Convertible top >> Convertible top hydraulic system >> Hydraulic system, function overview >> Hydraulic functions "close" , raise bracket

Hydraulic functions "close" , raise bracket

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Fig 1: Hydraulic Functions "Close" , Raise Bracket
GW00020637Courtesy of VOLKSWAGEN UNITED STATES, INC.

Convertible top compartment cover cylinder 

The convertible top compartment cover cylinders remain charged with pressure from both sides simultaneously by the energized solenoid valves F1 and F2 and in this way remain run out.

The convertible top compartment cover remains raised.

Main cylinder 

Both pressure stages for the main cylinder are charged simultaneously by the energized solenoid valves F2 and F3.

The cylinders remain run out and ensure the convertible top remains in forward position.

Bracket cylinder 

The two-way valve S1 is charged with pressure from both sides simultaneously via the energized solenoid valves F2 and F3. In this way, it is interconnected and the hydraulic pressure is directed to the bracket cylinder rebound stage.

The bracket cylinders are retracted and the bracket is raised.

The hydraulic oil escaping from the pressure stage is directed into the hydraulic oil reservoir via W2.

Component overview Hydraulic system, function overview .