Chevrolet Kodiak 2001–2004 — technical service bulletin
Bulletin 01774 · NHTSA communication 10006256 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
13
vehicle entries
Official summary
6.6l lb7 repeat engine oil leak (left side) #2 main bearing cross bolt. *mr
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.