Ford F Super Duty 1999 — technical service bulletin
Bulletin 98-4810 · NHTSA communication 607223 · issued Sep 1, 1998
Technical service bulletin
communication type
Power Train
component
1999
model years
1
vehicle entries
Official summary
Technical assistance for speedometer accuracy concerning 19999 f super duty trucks is available through cluster service center phone line 800-259-9700-prompt #1.
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.