Mazda B-Series Truck 2000–2004 — technical service bulletin
Bulletin 0100304 · NHTSA communication 10005809 · issued Aug 4, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000–2004
model years
5
vehicle entries
Official summary
3.0l lower engine oil leaks- diagnostic-service tip. *jb 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.