Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI1998A8 SEDAN (4D2) V8-3.7L (AEW)REPAIR AND DIAGNOSISWIPER AND WASHER SYSTEMSSERVICE AND REPAIRWINDSHIELD WIPER SYSTEM, REMOVING/INSTALLING
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
Windshield Wiper System, Removing/Installing
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION Windshield Wiper System, Removing/Installing
CAUTION!
Before working on the electrical system:
- Determine the correct coding for the anti-theft radio.
- Switch the ignition off.
- Disconnect the battery Ground (GND) strap.
NOTE: Before removing the wiper arms, make sure the windshield wiper motor is in the "park" position.

Removing Wiper Arms
- Remove wiper blades.
- Remove caps from wiper arms.
- Partially remove nuts from wiper arms (do not remove completely).
- Gently lift/twist wiper arms on shafts to loosen.
- Remove wiper arm nuts completely and remove wiper arms from shafts.

Removing And Installing Wiper Motor And Linkage Assembly
Removing
- Remove wiper arms.
- Remove rubber gasket from windshield trim.
- Remove screws -1- and -2- and remove windshield trim from brackets -6-.
- Remove hose connection -5- for washer nozzles -4- and remove windshield trim.
- Remove bolts -2-.
- Remove electrical connection at wiper motor.
- Remove wiper motor/linkage assembly from plenum.
Installing
NOTE: Installation is carried out in the reverse order of removal.
- Install complete wiper motor and linkage assembly into plenum and connect electrical connector.
- Tighten bolts -2-.
Tightening torque: 6 Nm (53 in.lb.)
- Attach washer hose -5-.
- Install windshield trim and fasten with screws -1- and -2-.
- Install rubber gasket at windshield trim.
- Make sure wiper motor is at "park" position and install wiper arms.
- Check "park" position of wiper blades.
Before working on the electrical system:
- Determine the correct coding for the anti-theft radio.
- Switch the ignition off.
- Disconnect the battery Ground (GND) strap.
NOTE: Before removing the wiper arms, make sure the windshield wiper motor is in the "park" position.
Removing Wiper Arms
- Remove wiper blades.
- Remove caps from wiper arms.
- Partially remove nuts from wiper arms (do not remove completely).
- Gently lift/twist wiper arms on shafts to loosen.
- Remove wiper arm nuts completely and remove wiper arms from shafts.
Removing And Installing Wiper Motor And Linkage Assembly
Removing
- Remove wiper arms.
- Remove rubber gasket from windshield trim.
- Remove screws -1- and -2- and remove windshield trim from brackets -6-.
- Remove hose connection -5- for washer nozzles -4- and remove windshield trim.
- Remove bolts -2-.
- Remove electrical connection at wiper motor.
- Remove wiper motor/linkage assembly from plenum.
Installing
NOTE: Installation is carried out in the reverse order of removal.
- Install complete wiper motor and linkage assembly into plenum and connect electrical connector.
- Tighten bolts -2-.
Tightening torque: 6 Nm (53 in.lb.)
- Attach washer hose -5-.
- Install windshield trim and fasten with screws -1- and -2-.
- Install rubber gasket at windshield trim.
- Make sure wiper motor is at "park" position and install wiper arms.
- Check "park" position of wiper blades.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.