Chevrolet Silverado 2500 2020–2024 — technical service bulletin
Bulletin 20-NA-022 · NHTSA communication 11004989 · issued Jul 10, 2024
Technical service bulletin
communication type
Suspension
component
2020–2024
model years
20
vehicle entries
Official summary
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
Vehicles covered
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2022 Chevrolet Silverado 2500
- 2023 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 3500
- 2021 Chevrolet Silverado 3500
- 2022 Chevrolet Silverado 3500
- 2023 Chevrolet Silverado 3500
- 2024 Chevrolet Silverado 3500
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2022 GMC Sierra 2500
- 2023 GMC Sierra 2500
- 2024 GMC Sierra 2500
- 2020 GMC Sierra 3500
- 2021 GMC Sierra 3500
- 2022 GMC Sierra 3500
- 2023 GMC Sierra 3500
- 2024 GMC Sierra 3500
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.