Mazda B-Series Truck 1991–1994 — technical service bulletin
Bulletin M001/95 · NHTSA communication 39761 · issued Jan 1, 1995
Technical service bulletin
communication type
Power Train
component
1991–1994
model years
5
vehicle entries
Official summary
Ratcheting noise from automatic locking hubs. *tw
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.