Chevrolet Silverado 1500 2019–2021 — technical service bulletin
Bulletin 22-NA-066 · NHTSA communication 10235761 · issued Apr 18, 2023
Technical service bulletin
communication type
Power Train
component
2019–2021
model years
6
vehicle entries
Official summary
The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area.
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.