2021 Audi Q5 / SQ5 Brake Pedal Squeak TSB

Owners of certain Audi Q5 and SQ5 models may notice a distinct squeaking sound when they press the brake pedal. This issue is officially addressed by Audi Technical Service Bulletin (TSB) 47 22 15 2067321/3.

This TSB, also identified as 2067321/3, supersedes a previous bulletin, Group 47 number 22-14, dated July 27, 2022. The updated bulletin includes revised header information and added model years to its scope.

Symptoms

The primary symptom reported by customers is that "Squeak noises can be heard when pressing the brake pedal." This specific Audi Q5 brake pedal squeak can be consistently reproduced by technicians during inspection. The noise originates from the Brake Servo Unit, also known as the Brake Booster.

Diagnosis / Trigger Conditions

When a customer reports the Audi Q5 brake pedal squeak, technicians are instructed to confirm the noise. The noise can typically be reproduced by simply pressing the brake pedal.

To properly document the issue for warranty claims, an audio file of the complaint must be recorded. This audio file, which should include the vehicle's VIN, must then be attached to the DOC-IT database.

Repair Procedure Summary

The root cause of the squeaking noise is identified as the rubber boot within the brake servo unit. An improved version of this rubber boot was gradually introduced into production during the first quarter of 2021.

For affected vehicles, the repair involves replacing the Brake Servo Unit. Technicians are directed to follow the detailed instructions provided in the ELSA repair manual. The specific path for this procedure is ELSA>>Repair Manual>>Chassis>>Brake System>>47 Hydraulic Components>>Brake Booster/Brake Master Cylinder>>Brake Booster Removing/Installing.

Important Warnings

Audi has issued several important notes regarding this TSB:

• This bulletin does not include PHEV vehicles (Plug-in Hybrid Electric Vehicles).
• Replaced Components without audio files uploaded to DOC-IT will be debited! This means dealers must ensure the audio recording of the complaint is properly submitted to avoid being charged for the replacement parts.
• If the vehicle is outside of any Audi Warranty, this bulletin is informational only. Owners with vehicles no longer under warranty may be responsible for repair costs.

Warranty Information

Warranty claims for this repair fall under Claim Type 110. The coverage extends up to 48 months or 50,000 miles, whichever comes first. All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual and are subject to review or audit by Audi Warranty. The claim comment should reference TSB 2067321/3.

Labor operations include a specific code for brake servo unit replacement (4770 1900). Diagnostic time is GFF (0150 0000), with a maximum of 50 TU (Technical Units). Road tests before and after the service procedure are also accounted for, with 10 TU allocated for the post-service road test.

Required Tools or Parts

The primary component requiring replacement is the Brake Servo Unit (Brake Booster). Additionally, various fasteners, bolts, nuts, and screws may be needed during the removal and installation process.

Technicians are advised to check with their Parts Department and/or ETKA for the latest information and part bulletins. Specific part numbers for the Brake Servo Unit and associated fasteners can be found within ETKA or ELSA.

TSB Details and Revision History

This Technical Service Bulletin is identified as 47 22 15 2067321/3, issued on August 3, 2022. It supersedes a previous bulletin, Group 47 number 22-14, dated July 27, 2022.

The revision history for this TSB includes:

• Revision 3: Revised header to include additional model years.
• Revision 2 (July 27, 2022): Revised header to correct an ELSA display issue.
• Revision 1 (June 14, 2022): Initial publication of the bulletin.

Source: NHTSA ID 10217632