Chevrolet Kodiak 2001–2005 — technical service bulletin
Bulletin 3011B · NHTSA communication 10010872 · issued Dec 15, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2005
model years
15
vehicle entries
Official summary
Engine oil leak at main bering side bolt. *eh
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.