Chevrolet Colorado 2004–2005 — technical service bulletin
Bulletin 3085 · NHTSA communication 10009508 · issued Oct 4, 2004
Technical service bulletin
communication type
Tires
component
2004–2005
model years
4
vehicle entries
Official summary
The spare tire is a different size compared to the rest of the tires. The z71 option comes with p265/75r15 tires, and the spare tire is a p235/75r15. *tt
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.