Chevrolet Silverado 2004–2005 — technical service bulletin
Bulletin 10292004 · NHTSA communication 10013041 · issued Oct 29, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
4
vehicle entries
Official summary
This is in regards to the unnecessary changing of turbochargers due to oil seepage. *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.