Removing and installing front parking aid senders in bumper cover — VW

🧭 Before you start

Fits: VW Passat CC (357, 2008–2012), VW CC (358, 2012–2017)

• Renewed: damaged isolation rings

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• When removing the sender, ensure the isolation ring (black silicone ring) remains on the sender head and does not remain stuck in the bracket or become lost.Expanding the isolation ring must be avoided under all circumstances.
• As the front parking aid sender and the park assist steering senders have sender heads of different lengths, isolation rings of different heights are also installed.
• After installing the sender, check that the sender is correctly seated in the bracket. Visible on the outer side of the bumper, dimension (a) of the ring gap between the sender head and bumper cover must be even all around.

📋 Procedure

1. Switch off ignition and all electrical consumers and disengage ignition key or ignition and starter button by moving to position 0 (pre-detent).
2. Remove bumper cover General body repairs, exterior63Front bumper; Removing and installing bumper cover.
3. Remove fog light trim General body repairs, exterior63Front bumper; Removing and installing add-on parts. [Note: To remove or install the front centre left parking aid sender G255 or front centre right parking aid sender G252 integrated in the bumper cover, there is no need to remove the bumper cover.Removal and installation of front left sender is described in the following. Removal and installation of front right sender are carried out in the same way.]
4. Loosen bumper, and remove fog light cover 63Bumper; Assembly overview - front bumper cover.
5. ⚠ The order for removing the senders must be adhered to under all circumstances.The sender may otherwise be damaged. Fractures may occur if too much pressure is applied to the sender, and this may cause the sender to fail.First remove sender from bracket and then disconnect sender connector. — Reach through aperture behind bumper cover and push fasteners (arrows) outwards on sender retainer (1).

6. Pull sender (2) with connected wiring backwards out of sender retainer. [Note: When removing the sender, ensure the isolation ring (black silicone ring) remains on the sender head and does not remain stuck in the bracket or become lost.Expanding the isolation ring must be avoided under all circumstances.]
7. Release and disconnect connector (2) and remove sender (1). [Note: As the front parking aid sender and the park assist steering senders have sender heads of different lengths, isolation rings of different heights are also installed.]
8. ⚠ Expanding the isolation ring must be avoided under all circumstances.Function problems could occur if an incorrect or damaged isolation ring is used.Renew damaged isolation rings and always ensure that the correct isolation ring is fitted. — Check whether the correct isolation ring is installed on the sender head.
9. If necessary, renew the sender's isolation ring (1). [Note: When mounting the sender, make sure that the isolation ring is correctly mounted on the sender head and does not ride or roll up on insertion into the sender retainer.Both locking lugs of sender bracket must audibly engage when installing the sender.]
10. After installing the sender, check that the sender is correctly seated in the bracket. Visible on the outer side of the bumper, dimension (a) of the ring gap between the sender head and bumper cover must be even all around.

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