Service bulletin LI46.35-P-080591

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

Complaint • Uneven steering feel when steering left and right, especially when steering near the center position. or • Squeaking noise when steering quickly around the center position Cause Variation in the steering gear due to manufacturing tolerances. Remedy 1. Check the vehicle's MB.OS software release with Xentry and update if necessary. 2. Connect Xentry, switch on the ignition (vehicle not roadworthy and power steering off), and raise the vehicle so that the wheels are not loaded. 3. Navigate to control unit N80, Steering Column Switch Module, actual values tab, and locate "Steering Angle". 4. Turn the steering wheel to full lock left until the mechanical end stop of the steering is reached. Record the steering wheel angle. 5. Perform a full lock to the right until the mechanical end stop is reached. Record the steering wheel angle. 6. Depending on whether the positive or negative value is greater, reposition the steering wheel by one tooth in the relevant direction (refer to AR46.10-P-0100CLA). Positive value is greater => Shift steering wheel one tooth to the right (clockwise) Negative value is greater ⇒ Shift steering wheel one tooth to the left (counterclockwise) Example steering angle: 450° and -462° => Move the steering wheel one tooth to the left. 7. Perform a wheel alignment. Pay particular attention to adjusting the toe values accordingly. 8. Reset the straight-ahead learned value with XENTRY in the N68 electric power steering control unit. 9. Perform bus sleep (lock the vehicle, keep the key out of range, and leave it locked for at least 15 minutes). 10. Perform a test drive and re-assess. If, after the subsequent test drive, any of the previously mentioned problems persist, please create a TIPS case to the Body/Chassis/Entertainment team.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Steering

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