Isuzu Trooper 1998 — technical service bulletin
Bulletin 9801L004 · NHTSA communication 602437 · issued Aug 1, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
1
vehicle entries
Official summary
Workshop manual revisions on cooling fan assembly torque specifications. *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.