Audi · United States · High
Audi RS 7, S6 +3 more: Engine and engine cooling — turbo/supercharger
Affects Audi RS 7, S6, A8, S8, S7 · 2013–2017 — about 26K vehicles.
The hazard
Worn bearings can cause the turbine wheel to contact the turbocharger housing or cause the shaft to break, causing an engine stall and increasing the risk of a crash.
What to do
Dealers will replace the oil strainer and perform an oil change, free of charge. Owner notification letters were mailed August 4, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 21H7.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational