Infiniti JX 2013–2015 — technical service bulletin
Bulletin ITB14053 · NHTSA communication 10192472 · issued Nov 19, 2014
Technical service bulletin
communication type
Engine
component
2013–2015
model years
3
vehicle entries
Official summary
SERVICE INFORMATION A two-piece design front engine mount is currently being used for the applied vehicles listed. A single thunk noise may be heard on the first acceleration of the day from this type of mount and is considered normal operation. The mount has also been designed with built in free-play that is normal. Under normal driving conditions: * A "thunk" noise may be heard on the first acceleration of the day. And * Does not occur again, or at any other time. DO NOT REPLACE THE MOUNT: * If it has free play or a "single event" thunk sound on the first acceleration of the day. This is con
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.