Audi rear axle lock nut may break
high How serious is it? About this label
A broken lock nut can throw the rear axle out of alignment, which can cause a loss of control and raises the risk of a crash. The notice does not tell owners to stop driving.
Key facts
| NHTSA campaign number | 21V295000 |
|---|---|
| Reported to NHTSA | Apr 26, 2021 |
| Manufacturer | Volkswagen Group of America, Inc. |
| Part affected | Suspension:rear:axle:non-Powered Axle Assembly |
| Vehicles covered | 26 model/year combinations, model years 2019–2021 |
| Do-not-drive advisory | No |
| Park-outside advisory | No |
| Repair | Free at any franchised dealer |
What's wrong, in plain English
On certain Audi models, the lock nut on a rear axle trailing arm may break because of corrosion. If this happens, the rear axle can become misaligned, affecting how the vehicle handles.
What you should do
2. Contact an Audi dealer to schedule the free repair; you can also call Audi customer service at 1-800-253-2834.
3. The lock nut, and bolts if needed, will be replaced at no cost.
Where do I find my VIN, and what do I tell the dealer?
Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 21V295000. More in how recalls work.
Affected vehicles (26)
Show all 26 vehicles
Who to contact
Audi — official Audi recall lookup
Customer service: 1-800-253-2834
The bigger picture
- Audi Suspension Recalls Involve Loose Fasteners and Cracking Components · all 3 Audi recalls in this area
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Official notice
- Component
- SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
- Summary
- Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
- Safety risk
- A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
- Remedy
- Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.
Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.