Recalls for 2020 Audi S4

DEFECT #1 - SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

Posted on: 2021-04-27
Description
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.

Consequence
A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.

Corrective Action
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.

Notes
Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.safercar.gov.