Chevrolet Silverado 2003–2005 — technical service bulletin
Bulletin 050730002 · NHTSA communication 10013480 · issued Jan 1, 2005
Technical service bulletin
communication type
Power Train
component
2003–2005
model years
6
vehicle entries
Official summary
New essential tool j 45096 23 automatic transmission oil cooler line adapter for allison transmission. *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.