Chevrolet Silverado 2500 2007–2008 — technical service bulletin
Bulletin 07320 · NHTSA communication 10023654 · issued Mar 1, 2008
Technical service bulletin
communication type
Power Train
component
2007–2008
model years
8
vehicle entries
Official summary
Chevrolet gmc service campaign: see document search button for owner letter. Front axle vent tube kinked - fluid leak. *nj csc was received. Updated 4/24/08. *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.