Chevrolet C4500 2001–2003 — technical service bulletin
Bulletin 020601010A · NHTSA communication 10002837 · issued Jun 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2003
model years
8
vehicle entries
Official summary
Serpentine belt identification and diagnosis for medium duty trucks. Various models including the chevrolet and gmc c5500 md 2003. *tt
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.