2014 Pathfinder SL - Rear sounds in 2013-Present R52 Pathfinders Posted August 24, 2020 Did some reading. I found a service bulletin. Service Bulletin NTB10029. IF YOU CONFIRM There is a grinding or knocking noise or vibration from the rear of the vehicle: - when making wide turns - on dry roads - at low speeds (under 20 MPH). ACTION Remove the Rear Propeller Shaft and test drive the vehicle: If the noise/vibration DOES NOT stop: This bulletin DOES NOT APPLY. Refer to ASIST for further diagnostic assistance. If the noise/vibration DOES stop: Replace the Electrical Coupling Assy. (CPLG ASSY-ELEC) with the one from the Parts Information section of this bulletin. Refer to the appropriate section in the Electronic Service Manual for removal and installation. DO NOT replace the entire Rear Final Drive assembly for this incident, if it should occur.