Volkswagen PHAETON - Service Manual download pdf (Page 19)

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Function of the power-assisted closing

The power-assisted closing is based on an elec-

tro-hydraulic system. Oil is pumped into the

hydraulic line system by an electric pump. The

feeding of oil to the piston or piston-rod end of

the hydraulic cylinder facilitates the opening or

closing of the flap via a driving shaft at the door

hinge. The pump is incorporated at the right of

the tail section.

Opening

To open the tailgate, operate either the switch in

the door panelling, the microswitch in the VW

emblem on the tailgate or the radio-wave remote

control.

Closing

The switch in the tailgate serves the purpose of

closing the tailgate.

Safety equipment

The power-assisted closing has an anti-trap fea-

ture. If the electric motor in the hydraulic compo-

nent perceives resistance which exceeds a

defined level, power-assisted closure is not

merely stopped but reversed* a little in order to

release the jammed object. The same procedure

is adopted when opening. If, for example, it hits

a low garage roof, the motor stops for a moment.

However, the tailgate then remains in this posi-

tion without reversing. Renewed actuation is then

required.

*moves back

Electric motor

Gas-assisted shock

absorber

Oil supply, left

hydraulic element

Hydraulic cylinder

Door hinge

Hydraulic

component

Oil supply, right

hydraulic element

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Volkswagen PHAETON - Service Manual Page 19