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  #1  
Old 05-12-2016, 12:15 PM
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Suspension Bottoming Out?

I recently replaced the struts and upper control arms on my 2008 Grand Cherokee. Since then, whenever I go over a significant dip in the road, it sounds and feels like the struts are reaching their end-of-travel and bottoming out (no, I'm not traveling at excessive speed...operating within the speed limits). I get a large bang, pop, etc.

I have taken it back to the shop that did the work and even to the local Jeep dealer but no one can seem to diagnose what's wrong.

Help!!!

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Old 05-13-2016, 07:22 AM
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Re: Suspension Bottoming Out?

What brand struts did they install? Did they replace the springs also?
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Old 05-13-2016, 09:14 AM
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Re: Suspension Bottoming Out?

I'm sorry, I do not know what brand struts were installed. They did NOT replace the springs.
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Old 05-14-2016, 07:30 AM
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Re: Suspension Bottoming Out?

If this was not an issue before the new struts, then it most likely they are the cause. You did not mention the mileage on the Jeep. Weak springs might also cause this condition.
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Old 05-14-2016, 08:15 AM
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Re: Suspension Bottoming Out?

I bought KYB struts before that shipped without oil. Mechanic had to add oil for them to work.
Also, make sure they got the bolts tight. Just a little slack will make a big noise. It may not occur to them that they made a mistake. They're only human.
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Old 05-14-2016, 09:45 AM
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Re: Suspension Bottoming Out?

I've purchased a new set of shocks that had a bad one in recent years, and luckily noticed it was not working properly before I installed, so got a replacement shipped. It is either a bad part, or improper install / assembly. Since you don't even know what parts they used, the shop supplied them, and they are responsible for fixing it; typically there is a one year parts/labor warranty minimum on the work done.
Springs do not ever just go bad like that and would not cause those symptoms. Check your receipt and see if they installed new strut mounts and lower front insulators, as these are also a must to replace when doing shocks.
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Old 05-14-2016, 03:38 PM
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Re: Suspension Bottoming Out?

Not too far in the near future I will be changing my struts on the 2010. The only difference is I will be changing the strut, spring , mounts and HW as a unit so I don't run into any problems (I hope). Monroe Quick Struts were highly recommended.
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