Audi A4 2017–2022 — technical service bulletin

Bulletin A4821132063528_2 · NHTSA communication 10203477 · issued Nov 9, 2021

Technical service bulletin

communication type

Engine

component

2017–2022

model years

vehicle entries

Official summary

This bulletin contains instructions for addressing intermediate shaft noises that are heard in the engine compartment.

Vehicles covered

2017 Audi A4
2018 Audi A4
2019 Audi A4
2020 Audi A4
2021 Audi A4
2022 Audi A4
2018 Audi A5
2019 Audi A5
2020 Audi A5
2021 Audi A5
2022 Audi A5
2018 Audi A5 Cabriolet
2019 Audi A5 Cabriolet
2020 Audi A5 Cabriolet
2021 Audi A5 Cabriolet
2017 Audi Allroad
2018 Audi Allroad
2019 Audi Allroad
2020 Audi Allroad
2021 Audi Allroad
2022 Audi Allroad
2017 Audi Q7
2018 Audi Q7
2019 Audi Q7
2020 Audi Q7
2021 Audi Q7
2022 Audi Q7
2019 Audi Q8
2020 Audi Q8
2021 Audi Q8
2022 Audi Q8
2019 Audi RS 5
2021 Audi RS 5
2022 Audi RS 5
2020 Audi RS Q8
2021 Audi RS Q8
2022 Audi RS Q8
2017 Audi S4
2018 Audi S4
2019 Audi S4
2020 Audi S4
2021 Audi S4
2022 Audi S4
2018 Audi S5
2019 Audi S5
2020 Audi S5
2021 Audi S5
2022 Audi S5
2018 Audi S5 Cabriolet
2019 Audi S5 Cabriolet
2020 Audi S5 Cabriolet
2021 Audi S5 Cabriolet
2020 Audi SQ7
2021 Audi SQ7
2022 Audi SQ7
2020 Audi SQ8
2021 Audi SQ8
2022 Audi SQ8

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.