Chevrolet Avalanche 2002 — technical service bulletin
Bulletin 010102 · NHTSA communication 634212 · issued Jan 1, 2002
Technical service bulletin
communication type
Power Train
component
2002
model years
1
vehicle entries
Official summary
Product feedback request for vehicle exhibiting rear axle whine condition until may 24, 2002. *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.