Chevrolet Avalanche 2002 — technical service bulletin
Bulletin 010101 · NHTSA communication 624879 · issued Jan 1, 2001
Technical service bulletin
communication type
Suspension
component
2002
model years
1
vehicle entries
Official summary
Some vehicles may experience a fluid leak at the rear axle differential cover. *yd
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.