Mazda MAZDA3 2014–2018 — technical service bulletin
Bulletin 02-006-19-3646 · NHTSA communication 10169504 · issued Dec 20, 2019
Technical service bulletin
communication type
Suspension
component
2014–2018
model years
5
vehicle entries
Official summary
Some vehicles may exhibit a knocking noise from the rear of the vehicle when driving over a road bump. Upon inspection of the rear suspension, the bump stop (bound stopper) of the rear shock absorber is coming out of the mounting rubber.This is caused by the adhesive surface of the mounting rubber bracket having inadequate roughness opposite to the bound stopper and the bracket shape being inapporopriate to have sufficient holding force. The bound stopper may come out under any of the following conditions:ï · When the bound stopper shrinks during cold weather ï · When the bound stopper e
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.