Ford Excursion 2000 — technical service bulletin
Bulletin 7958 · NHTSA communication 612431 · issued Jan 1, 2000
Technical service bulletin
communication type
Equipment
component
2000
model years
2
vehicle entries
Official summary
The vehicle exhibit shif on the fly engagement/disengagement issues or heater/ac only blowing out of the defrost mode. These conditions may be caused by the vacuum pump.
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.