beeleep

This is going to sound a bit weird. We have a 2010 RX450h, 70k miles. I was getting rear squeaking/groaning noise over even small bumps, and over speed bumps even at very slow speed. Had the rear struts replaced...this definitely helped. But still hear it when coming to basically any full stop, and sometimes when getting going again after a full stop...there is still a squeak/groan, usually from the rear, but occaisionaly from the front. Mostly silent over bumps, but on rare occasions will hear the squeak/groan over a bump/pothole.

The weird part is, after going through a carwash, the noises seemed to disappear for a couple hours.

Any thoughts as to what might be going on?

Thanks in advance for any help.

ArmyofOne

Could be strut mount bushings, did you replace the mounts when you did the struts? If you had a shop do it and they didnt charge you for mounts and bushings then they reused your old ones.

The squeak most likely goes away after a wash cause the bushings get wet. When they dry the squeak returns. Also will likely have the same effect when driving in the rain.

beeleep

Thanks for the info, ArmyofOne.