{"source":"nhtsa","country":"us","campaign":"21V295000","date":"2021-04-26","owner_notified":"2021-06-04","manufacturer":"Volkswagen Group of America, Inc.","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.","consequence":"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.","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.","mfr_campaign":"42L1","part_number":"WHT 007 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