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Home >> Audi >> 1994 >> 100, S, CS Sedan V6-2.8L (AAH) >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Transmission Speed Sensor >> Service and Repair
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Transmission Speed Sensor: Service and Repair



Note: The speedometer vehicle speed sensor and the drive gear can be replaced with the transmission installed.

Replacing Speedometer Vehicle Speed Sensor






- Disconnect harness connector from sensor -A-.
- Press down retaining clamp and carefully remove sensor; do not damage sensor, or indicated vehicle speed may not be accurate.
- Check seal -B- when installing; replace if necessary.

Replacing Speedometer Drive Gear
- Disconnect left-side drive axle from drive flange.






- Remove drive flange and drive-flange oil seal -B-.
- Remove speedometer drive gear -A- by alternately prying with screwdriver on drive lugs (arrows -1-).

When installing, note following:
- Collar (arrow -2-) points toward differential housing.
- Drive lugs (arrows -1-) face oil seal -B- and engage in grooves of differential housing.
- Replace oil seal -B- and drive flange shaft circlip -C-.
- Top up transmission oil.
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