Chevrolet Impala 2000–2001 — technical service bulletin
Bulletin 000523006 · NHTSA communication 6092578 · issued Sep 1, 2000
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2000–2001
model years
4
vehicle entries
Official summary
Some vehicles built prior to vin breakpoint 19117621 may exhbit an audible groan / squeal type noise coming from the rear of the vehicle during a light brake apply. *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.