Buick Skylark 1993 — technical service bulletin
Bulletin 476521 · NHTSA communication 39077 · issued Jan 1, 1995
Technical service bulletin
communication type
Electrical System
component
1993
model years
3
vehicle entries
Official summary
Chuggle of tcc growl on grades while maintaining speed with tcc engaged. *tw
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.