Ford Focus 2000 — technical service bulletin
Bulletin 0021 · NHTSA communication 612304 · issued Jan 29, 2000
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000
model years
1
vehicle entries
Official summary
Vehicle may experience a fluttering noise from the pcv valve after engine shutdown on some vehicles. *mjs
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.