A8 Sedan V8-3.7L (AEW) (1997)
Wiper Switch: Service and Repair
Electrically Adjustable Steering Column Switch
WARNING!
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Airbag system components must only be checked, removed, installed and/or repaired by qualified Service Department personnel
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Before starting work on any parts of the airbag system, disconnect the battery Ground (GND) strap. When reconnecting the Ground
strap, the passenger compartment must not be occupied.
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Always refer to airbag system safety precautions.
Removing
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Disconnect battery ground (GND).
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Turn steering wheel and front wheels to straight-ahead position.
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Pull adjustable steering column out as far as it will go and set to lowest position.
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Using Torx T30 bit, remove screws for airbag unit from left and right sides of back of steering wheel.
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Tightening torque: 7 Nm (62 in.lb.)
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Carefully pivot airbag unit forward.
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Disconnect harness connector from airbag unit and place airbag unit facing up.
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Remove two screws -8- and carefully pull out upper half of steering column trim -1-.
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Disconnect electrical connector from spiral spring.
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Remove nut -12- (secures steering wheel -11-) and remove steering wheel.
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Tightening torque: 50 Nm (37 ft.lb.)
CAUTION: When removing the steering wheel, the spiral spring must not be unwound from its middle position.
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Remove screws -5- and -6- and Torx screw -9-.
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Remove lower steering column trim -7-.