Ford Fiesta 2016–2017 — technical service bulletin
Bulletin SSM 46936 · NHTSA communication 10127420 · issued Nov 23, 2017
Technical service bulletin
communication type
Equipment
component
2016–2017
model years
2
vehicle entries
Official summary
Some 2016-2017 Fiesta ST vehicles may exhibit a clunk noise while shifting from 1st to 2nd gear. To correct this condition replace the front left C1BZ-3B437-A and right C1BZ-3B436-A half shafts. Refer to Workshop Manual (WSM), Section 205-04. Use causal part 3B436 and applicable labor operations in section 4 of the Service Labor Time Standards (SLTS) manual.
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.