Ford Ranger 1998 — technical service bulletin
Bulletin 980216983-20 · NHTSA communication 600602 · issued Feb 16, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
1
vehicle entries
Official summary
A "booming" noise may be heard in the cab while driving with engine at 2500-300 rpms. *yc
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.