Chevrolet Avalanche 1500 2007 — technical service bulletin
Bulletin 3908 · NHTSA communication 10020490 · issued Oct 27, 2006
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007
model years
4
vehicle entries
Official summary
Full size utilities with coolant loss, rough running, and misfire. Equipped with lmg lyd or lc0 5.3l engines. *kb
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.