66 20 518 Removing and installing/replacing a front (side) ultrasonic sensor

Release screws at marked points.

Remove nut (1) from wheel arch trim panel (2).

Fig 1: Locating Wheel Arch Trim Panel Nuts And Screws

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Partially feed out wheel arch panel (1) downwards as illustrated.

Fig 2: Identifying Wheel Arch Panel

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Unclip trim grille (1) at the marked points and detach.

Unclip ultrasonic converter (2).

Remove plug connection at ultrasonic converter (2) and disconnect.

Installation note:

Before installation of ultrasonic sensor (2) on wiring harness, clean plug connection!

Retaining tabs on ultrasonic converter (2) must not be damaged!

Make sure ultrasonic transducer (2) is securely seated.

Fig 3: Identifying Ultrasonic Sensor Assembly

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Installation note:

Make sure rubber ring (1) is correctly seated on ultrasonic sensor (2).

Fig 4: Identifying Rubber Ring And Ultrasonic Sensor

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