John, Roadsters have a friction modifier in their diff oil to partly stop clunks in the LSD. I know I changed mine every 25k as the oil seemed to get tired. It could also be oil level I guess. I don't think the CX has an LSD but have no idea of the oil needed.
Maybe it is also the UJs?
JohnV6 2022 CX Plus Four 2025 Renault Scenic Alpine etech "Yvette"
