Rain Sensor: Service and Repair
WM 921219 Removing and installing rain sensor
Removing rain sensor
Information
- An adhesive pad must be used when reinstalling the rain sensor.
- When fitting the adhesive pad, make sure there is no air trapped between the windscreen and the adhesive pad or between the adhesive pad and the rain sensor.
- When installing the adhesive pad, the temperature of the windscreen, rain sensor and adhesive pad must be approx 20 °C. Carefully heat the windscreen with a hot-air gun for example.
- Do not touch the adhesive surface of the sensor with your fingers.
- If the sensor is new, remove the protection cap before sticking the sensor on to the windscreen.
- When sticking on a new sensor, make sure that no air pockets are caught between the gel and the windscreen. Air pockets could impair the function of the sensor.
- Sensor, orientation lights, wires and wiring ducts are spare parts.
Limited functionality of the rain sensor if the following points are not observed:
1. Unclip the two covers on the roof console and unscrew both fastening screws -1-.
Removing roof console, shown for the 911 Carrera
2. Disengage holder -2- for the line -arrow- and pull line forward behind the roof liner.
Wire routing
3. Release and pull electrical plug apart -3-.
Disconnecting plug connection
4. Carefully unclip the cover -1- from the rain sensor from above using a narrow screwdriver.
Removing cover of rain sensor
5. Remove orientation lights -2-.
Removing orientation lights
6. Carefully pull the plug connection -3- out of the holder and pull it apart.
Disconnecting plug connection
7. Fold mirror downwards -4- and push down from the front windscreen bracket.
Pushing mirror down from mirror holder
8. Carefully unclip holder from rain sensor at the top, bottom left and right.
Unclipping rain sensor holder
9. Slowly remove rain sensor -6- from the windscreen.
Removing rain sensor from windscreen
10. If the rain sensor is to be reinstalled, then slowly pull the adhesive buffer -7- off the rain sensor.
Pulling off adhesive buffer
Installing rain sensor
Information
- An adhesive pad must be used when reinstalling the rain sensor.
- When fitting the adhesive pad, make sure there is no air trapped between the windscreen and the adhesive pad or between the adhesive pad and the rain sensor.
- When installing the adhesive pad, the temperature of the windscreen, rain sensor and adhesive pad must be approx 20 °C. Carefully heat the windscreen with a hot-air gun for example.
- Do not touch the adhesive surface of the sensor with your fingers.
- If the sensor is new, remove the protection cap before sticking the sensor on to the windscreen.
- When sticking on a new sensor, make sure that no air pockets are caught between the gel and the windscreen. Air pockets could impair the function of the sensor.
- Sensor, orientation lights, wires and wiring ducts are spare parts.
Limited functionality of the rain sensor if the following points are not observed:
Information
- If the removed rain sensor is to be reinstalled, the surfaces must be free of adhesive residues. Do not use harsh cleaning agents. Stick the adhesive pad onto the rain sensor at a temperature of approx. 20 °C.
1. Press the rain sensor -6- onto the windscreen.
Sticking on rain sensor
2. Push and press holder -5- onto the rain sensor until it engages.
Clipping in holder
3. Push rear-view mirror -4- onto the mirror holder from below.
Pushing on rear-view mirror
4. Join the plug connection -3- and insert it into the mirror base.
Plugging in connector
5. Insert orientation light into the cover.
Inserting orientation lights
6. Join both covers -1- , ensuring that the orientation light is positioned correctly.
Attaching mirror base cover
7. Push the electrical plug connection together -1- until the plug is felt to engage.
Connecting the plug connection
8. Engage holder -2- for the electric line and push line in behind the roof liner.
Wire routing
9. Tighten fastening screws -1- and clip in both covers.
Tightening fastening screw, shown on the roof console for the 911 Carrera