Chevrolet Tahoe 2021–2022 — technical service bulletin
Bulletin 22-NA-140 · NHTSA communication 10233344 · issued Mar 8, 2023
Technical service bulletin
communication type
Suspension
component
2021–2022
model years
2
vehicle entries
Official summary
This informational bulletin advises the technician of an upgraded rear coil spring if the rear sags to much from loaded equipment.
Vehicles covered
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.