Note. With the locking magnet removed, do not turn the steering wheel or change the straight driving position or the steering angle of the front wheels. Otherwise, after completion of work, this may lead to a bend in the position of the steering wheel. Absolute cleanliness must be observed when performing the following work.
Set the steering wheel to straight ahead position (The wheels of the front and rear axles should be located on 1 line) and, if possible, lock the steering lock in the straight ahead position. Turn off the ignition. Marking the installation position and the position of the locking magnet -arrow- is necessary for subsequent assembly). Remove el. plug connection -4- from locking magnet -3-. Clean head ("asterisk") bolts -1 and 2- from remnants of thread varnish. Unscrew bolts -1 and 2- and remove locking magnet -3- from the steering column.
Installation
Install in reverse order. Please note the following: After replacing the locking magnet, the software of the active steering control unit -J792- must be updated by running the appropriate program on the diagnostic tool. When installing a new blocking magnet, you must transfer the markings from the old blocking magnet to the new one. Install the new locking magnet according to the markings made before removal and, as shown in the following table, secure with both new bolts -1 and 2- (using the included tool).
Subsequence | Bolt number | Torque |
1 | 1 | 2 + 2 Nm |
2 | 2 | 4 + 2 Nm |
3 | 1 | 8 + 2 Nm |
4 | 2 | 8 + 2 Nm |
Connect email plug connection to the blocking magnet. Clear event memory. Carry out an initial drive - to do this, turn the steering wheel approx. 45°left/right from straight ahead position.
Functional test: As part of a test drive, the steering functions must be checked in a closed area. Drive forces Return to original position. Gap. Noises. Control lamp. After the test drive, the event memory should be interrogated. There should be no error information in the event memory.
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