Chevrolet Avalanche 2005 — technical service bulletin
Bulletin 3488 · NHTSA communication 10017295 · issued Nov 2, 2005
Technical service bulletin
communication type
Power Train
component
2005
model years
7
vehicle entries
Official summary
Fluid leakage front pump or torque converter area. *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.