- The problem
- 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.
- The risk
- A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
- The fix
- 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.
Suspension
2021 Audi A4 Suspension problems
Owners have filed 2 complaints about the 2021 Audi A4's suspension with NHTSA - 18% of all its complaints, most recently on November 16, 2021. They describe 1 crash, 0 fires and 1 injury. Broken springs, struts, control arms, ball joints, noises and alignment that won't hold.
- Complaints
- 2
- Recalls
- 1
- Crashes
- 1
- Fires
- 0
- Injuries
- 1
- Deaths
- 0
Suspension recalls for the 2021 Audi A4
Suspension complaints
The contact leased a 2021 Audi A4. The contact stated that the dealer had provided her with the vehicle rental while her vehicle was being repaired. The contact stated that while driving at 4 MPH and turning into a parking pace on the 4th floor of a parking garage, the vehicle inadvertently accelerated on its own at 100 MPH. The contact depressed the brake pedal several times but it failed to respond. The vehicle crashed into the fence of steel and broke a portion of the wall. The air bags deployed. There were no...
Read the full complaint
warning lights illuminated. The contact sustained two concussions and a heart attack. The contact sought medical assistance the next day and had been seeking medical assistance. A police report was filed. The vehicle was towed to the dealer and it was totaled. The manufacturer was notified of the failure. The approximate failure mileage was 1,347.
The contact owns a 2021 Audi A4. The contact received notification of NHTSA campaign number: 21V295000 (Suspension) however, the part to do the recall repair was unavailable. The vehicle was taken to the local dealer who stated that the parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Audi A4 suspension complaints by year
A4 suspension problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data