Chevrolet Silverado 2008 — technical service bulletin
Bulletin 14308 · NHTSA communication 10057263 · issued Jan 1, 2015
Technical service bulletin
communication type
Power Train
component
2008
model years
1
vehicle entries
Official summary
General motors: see document search button for owners letter. 2008 chevrolet silverado, gmc sierra hd, some 2008 models with 6 speed automatic have a transmission fluid leak condition. Which may occur near the transmission cooler near rubber hose. *lj
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.