A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
Suspension — Rear — Axle — Non-Powered Axle Assembly
Date Announced
APR 26, 2021
Vehicles Affected
40,993
Audi Recall # 42L1
NHTSA Campaign #
21V295000
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.
Actions 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.
Documents (16) Remedy Instructions and TSB Defect Notice 573 Report Recall Acknowledgement Manufacturer Notices(to Dealers,etc) - AUDI
Date: May 28, 2021
Repair Available Safety Recall 42L1 / Rear Axle Trailing Arm Lock Nut Remedy Instructions and TSB Manufacturer Notices(to Dealers,etc) - AUDI
Date: May 28, 2021
Repair Available Safety Recall 42L1 / Rear Axle Trailing Arm Lock Nut Recall Quarterly Report #1, 2021-2 ISSUED Owner Notification Letter(Part 577) - 42L1_Audi Customer PRI ISSUED Owner Notification Letter(Part 577) - 42L1_Audi Customer Date June 17, 2021
42L1 Campaign Tip
Wind Deflector Pins Remedy Instructions and TSB Manufacturer Notices(to Dealers,etc) - AUDI
Date: May 04, 2021
Advance Notice Safety Recall 42L1 / Rear Axle Trailing Arm Lock Nut Remedy Instructions and TSB Remedy Instructions and TSB Recall Quarterly Report #2, 2021-3 Recall Quarterly Report #3, 2021-4
