Front end wobble/ clunking with large bumps - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 3 (permalink) Old 07-20-2019, 09:23 AM Thread Starter
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Join Date: Feb 2018
Location: Las Vegas
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Model year: 2006
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Power-Train: 5.7L V-8 Hemi
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Current Mileage: 111,000
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Front end wobble/ clunking with large bumps

So I've had a few times while at relatively high speeds and I've hit a large pothole or gradient change in the road surface and my front end seems to shimmy quite a bit and even a couple times I've got a loud clunking sound from what it felt like near my transmission/ floorpan area. The sound got so bad a couple times that I slowed to a stop, checked the undercarriage to make sure nothing was dragging or broken to find nothing. I've read the sound could be exhaust brackets popping off and rubbing the drive shaft but I haven't noticed any damage. Any ideas?
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post #2 of 3 (permalink) Old 07-22-2019, 11:09 AM
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Join Date: Jun 2014
Location: California
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
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If 4WD - system: QD-II
Current Mileage: 113676
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Possibly alignment for the shimmy would be my guess, or old (not necessarily worn) tires. Maybe even worn bushings in the steering somewhere. I think I get it some times as well and these are all the things I've considered knowing that all these things on mine are getting a little long in the tooth.

For the clunk, check out where the exhaust goes over the transmission support beam. Right under the passenger front seat, in front of the muffler. There is an exhaust bracket up there that mounts to the transmission. May be an issue with that bracket. There's also not a lot of clearance for the pipe at that tranny support. I actually had to "crush" that beam about a 1/2-3/4" for my aftermarket mids to not constantly rattle and bang on it.

2006 Dark Khaki Limited, Hemi, QD-II w/ all the options.
Inertia Performance Heads, Full SRT 6.1 Valve Train, Custom Crower Cam, Double Roller Timing Set, Trend Performance forged Pushrods, High PSI Oil Pump, ARH Long Tube Headers and Mids, Borla Catback, aFe Stage 2 Intake, AEM X-Series WB UEGO & 100psi Oil Guages, PowerStop Drilled & Slotted Rotors, MDS On Light, Kenwood in-dash Nav, HID Projectors and full LED lighting upgrade

Need to get it on a dyno....
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post #3 of 3 (permalink) Old 07-22-2019, 01:59 PM Thread Starter
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Join Date: Feb 2018
Location: Las Vegas
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 111,000
Posts: 11
Thank you for the reply, I think next weekend I’ll take a better look at all my bushings and steering components. I definitely need new tires and shocks as well, so I imagine at 131k it needs a good suspension overhaul anyways. Thank you again
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