66 20 537 Removing and installing/replacing one rear middle right ultrasonic sensor

Necessary preliminary work:

NOTE: Trim panels can vary depending on engine version.

Lever out expanding rivets (1).

Unfasten screws (2).

Remove trim (3).

Fig 1: Identifying Trim, Expanding Rivets And Screws

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Unlock plug connection (1) and disconnect. Unlock latch mechanisms (2) and pull ultrasonic transducer (3) out of bracket.

Installation note:

Before installation of ultrasonic sensor (3) on wiring harness, clean plug connection!

Retaining tabs (2) must not be damaged!

Make sure ultrasonic sensor is securely seated.

Fig 2: Identifying Plug Connection, Tabs And Ultrasonic Transducer

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Installation note:

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

Fig 3: Identifying Rubber Ring And Ultrasonic Sensor

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