I was wondering if anyone had any insight.

Now that it's been getting in the 30's here lately I've notived when I go over bumps the Jeep makes squeeking noises as it goes over them. It appears to mostly be in the rear and coming from both sides/all around in the rear not just from one specific side. It's really loud though. Over small bumps in the road I can hear it clear as day with the windows up and the radio on. Doesn't do it if I go over something bigger like a speed bump though. I noticed it did it yesterday morning but in the evening it was wet and rainy on my way home and a bit warmer and there was no squeeking noise over bumps.

The rear shocks are fairly new and looking at them there doesn't appears to be anything wrong with them. I know it's probably impossible to diagnose something like this over the internet but figured I'd post up and see if anyone had some guidance on things I can check out or grease up to make stop. It never did it until it started to get cold. I had the lift on mid last winter or so and it never made the squeeking noise back then either.

Not sure if this is just one of the perks of being lifted or if I got something bad going on.

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2010 Jeep JK - Mango Tango
TeraFlex 2.5 suspension lift
Rancho RS9000Xl adjustable shocks
Tom Woods 1310 Front driveshaft
JKS Quicker front Disconnects
Synergy 1.75" Wheel spacer

Check the rear tri link bushings and ball joint
good place to start

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MUDD'S MOTORSPORT'S We do IFS lift installs ,
03 OVERLAND EDITION /Kilby-Skidrow-Mopar-4XGuard skids/ 2.5 inch TOTAL CONTROL JBA coilovers -JBA Arms/MOABS-31 FALKEN WILDPEAK AT3W / 4.10's etc, 04 Kilimanjaro Edition loaded, plus 05 KJ limited