Chevrolet Silverado 2002–2004 — technical service bulletin
Bulletin 07057 · NHTSA communication 10024154 · issued Feb 1, 2008
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002–2004
model years
6
vehicle entries
Official summary
Chevrolet gmc service campaign: see document search button for owner letter. Special coverage adjustment - engine glow plug on certain vehicles with 6.6l diesel v8 (rpo lb7 - vin 1) engine & california emissions (yf5/ne1) or clean fuel emissions (vcl). Csc was received. *nj
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.