Chevrolet Avalanche 2002 — technical service bulletin
Bulletin 020842002 · NHTSA communication 634530 · issued Apr 1, 2002
Technical service bulletin
communication type
Exterior Lighting
component
2002
model years
1
vehicle entries
Official summary
Subject regarding headlamp condensation. *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.