Chevrolet Impala 2001–2002 — technical service bulletin
Bulletin 050302 · NHTSA communication 636597 · issued May 3, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
2
vehicle entries
Official summary
In severe police vehicle use situations the front exhaust o-ring style hanger may become disconnected and eventually fall off. *tt
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.