Acura Ilx 2017–2018 — technical service bulletin
Bulletin B18100C · NHTSA communication 10146072 · issued Oct 16, 2018
Technical service bulletin
communication type
Engine
component
2017–2018
model years
3
vehicle entries
Official summary
Servicenews Article - Have a vehicle in your shop with low mileage (less than 1,500 miles) and a hard-to-pinpoint engine knock? We're currently investigating vehicles for hairline fractures in the crankshaft sprocket, and we suspect it may be the cause for this noise.
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.