Chevrolet Colorado 2004–2005 — technical service bulletin

Bulletin 1655777 · NHTSA communication 10016818 · issued Oct 11, 2005

Technical service bulletin

communication type

Suspension

component

2004–2005

model years

vehicle entries

Official summary

Vibration highway speed z71 and z85 suspension. *sc

Vehicles covered

2004 Chevrolet Colorado
2005 Chevrolet Colorado
2004 GMC Canyon
2005 GMC Canyon

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.