2022-2024 Audi Front Seat Backrest Cracking Noise TSB

Owners of various 2022-2024 Audi models may experience an annoying Audi front seat noise originating from the front seat backrest. This issue, characterized by cracking sounds, is addressed by Audi Technical Service Bulletin (TSB) 2074721/2, which supersedes previous bulletin 24-57 dated July 31, 2024, and Pending Service Solution (PSS) TSB 2072225.

Symptoms

Owners typically report cracking noises at frame of front seat backrests. This Audi front seat noise is often heard in the passenger compartment, particularly from the front seats. Technicians have localized this cracking noise localized to riveted fasteners of the lumbar support.

Diagnosis / Trigger Conditions

The root cause of the Audi front seat noise is identified as tolerance overlaps within the front seat frames. These overlaps can lead to cracking sounds, specifically traced to the riveted fasteners of the lumbar support. The affected lumbar support fasteners are identified by part numbers 3Q0.881.879.G or 4M0.881.879.B.

Repair Procedure Summary

To resolve the cracking noise, the primary repair involves replacing the affected lumbar support. This procedure must be performed in accordance with the detailed instructions provided in the Workshop Manual. Technicians are advised to refer to the electronic parts catalog (ETKA) to ensure the correct lumbar support part number is ordered for the specific vehicle.

For warranty claims, it is mandatory to attach a video clearly demonstrating the complaint. This video must include the vehicle's chassis number and the date to ensure proper referencing. It is crucial that the video documentation does not show any persons, faces, vehicle registration numbers, or customer data to protect privacy.

Required Tools or Parts

To perform this repair, the following parts may be required:

• Lumbar support: Quantity 01 per seat. The specific part number should be identified using ETKA (Electronic Parts Catalogue).
• Child seat anchoring system bolt: Part number N 90737101. Quantity 02 if applicable, for the front passenger seat only.
• Rivet: Part number 8S8898955. Quantity 01 per seat.

Additional labor operations may include Guided Fault Finding (GFF) with service number 0150 0060 and charging the battery with service number 2706 8950, if required.

Important Warnings

Audi specifies that warranty claims for this issue must adhere to the Audi Warranty Policies and Procedures Manual. If the vehicle is outside of its warranty period, this Technical Service Bulletin is for informational purposes only, meaning the repair costs would likely be the owner's responsibility. Always ensure any video documentation submitted for warranty purposes excludes personal identifying information.

Warranty Information

This TSB outlines specific service and damage codes for warranty claims. The Service Number is 7234, and the Damage Code is 0020. Labor operations include 7234 19XX for removing and installing one lumbar support, and 7234 2099 for two lumbar supports, with varying labor times (TU) depending on the specific Audi model.

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Source: NHTSA ID: 11009948