Chevrolet Colorado 2009 — technical service bulletin
Bulletin PIP-4647A · NHTSA communication 10032869 · issued Jun 1, 2009
Technical service bulletin
communication type
Power Train
component
2009
model years
12
vehicle entries
Official summary
Gmc/chevrolet/saab/hummer: bind/tie-up in fourth gear, no second or fourth gears, overrun clutch distress. During disassembly of the transmission technicians may find that the 2-4 band (item 602 in si document 1553208) and the overrun clutch (645) are both distressed while no other clutches are damaged. *pe
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.