Chevrolet Silverado 2002–2004 — technical service bulletin
Bulletin 020138007 · NHTSA communication 10012091 · issued Jul 1, 2004
Technical service bulletin
communication type
Equipment
component
2002–2004
model years
4
vehicle entries
Official summary
Poor air conditioner performance - air conditioner will not blow cold enough. This service bulletin replaces 020138007a. *eh
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.