Chevrolet Colorado 2015–2021 — technical service bulletin
Bulletin 17NA394 · NHTSA communication 10191168 · issued Mar 4, 2021
Technical service bulletin
communication type
Suspension
component
2015–2021
model years
14
vehicle entries
Official summary
This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise.
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.