Chevrolet Silverado 2004 — technical service bulletin
Bulletin 09132004 · NHTSA communication 10011255 · issued Sep 13, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
2
vehicle entries
Official summary
Rough idle with white smoke and high balance rates. A 1700 1800 light throttle combustion noise. Parking lot surge under ten miles per hour with engine rpm around 800 to 1000 rpm. This also includes 2004 3500 trucks with 6.6 liter diesel engines. *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.