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Audi lock nut on the trailing arm of the rear axle may break due to stress corrosion.

NHTSA campaign 21V-295 · Reported April 26, 2021 · 40,993 vehicles affected

AFFECTED MODELS
Audi A4, A5, A6, A7, A8, Q5, Q7, Q8, RS 5, RS 6 Avant, RS 7, RS Q8, S4, S5, S6, S7, S8 and SQ5
VEHICLES AFFECTED
40,993
REMEDY
Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge.
COST
Free

The short version

Volkswagen Group of America, Inc. reported a problem with the axle non-powered axle assembly. Here is what owners need to know.

WHAT

The lock nut on the trailing arm of the rear axle may break due to stress corrosion.

WHY IT MATTERS

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

WHAT TO DO

Take it to a dealer — they will replace the lock nuts and, if necessary, the associated bolts, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 21V-295.

YEAR RANGEMODEL
2020–2021Audi A4
2019–2021Audi A5
2020–2021Audi A6
2020–2021Audi A7
2020–2021Audi A8
2020–2021Audi Q5
2021Audi Q7
2021Audi Q8
2019–2021Audi RS 5
2021Audi RS 6 Avant
2021Audi RS 7
2021Audi RS Q8
2020–2021Audi S4
2019–2021Audi S5
2020–2021Audi S6
2020–2021Audi S7
2020–2021Audi S8
2020–2021Audi SQ5

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

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What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with Volkswagen Group of America, Inc. or the National Highway Traffic Safety Administration.