Ford Expedition 1997–1999 — technical service bulletin
Bulletin 6232 · NHTSA communication 607031 · issued May 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–1999
model years
12
vehicle entries
Official summary
Some vehicles may develop a coolant leak at the worm gear clamp located at the joint between the metal intake coolant tube and the coil resulting in engine misfire with diagnostic trouble code p0304 and / or rough idle. *tt
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.