Front Axle area starting to rattle after a few miles or hard braking - Jeep Garage - Jeep Forum

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Old 07-20-2015, 11:07 AM
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Front Axle area starting to rattle after a few miles or hard braking

Hi all,
got into this forum via a DIY thread.
Maybe you have some hints for me, where to find the issue with my GC 06 SRT8.
I was quite pleased with the car until the last month, when it started making horrible rattling noise from the front/passenger area. Had this once in Dec 2014. Never appeared then again until 4 weeks ago on a trip. I was riding on a horrible street. getting back on a normal one caused that rattling at any speed for the rest of the trip home (400km). The next morning rattling was gone for 5 miles before it came back. Hard acceleration, steering left/right everything was fine. It reappeared after hard braking.
All Fluids have been changed in 05/2015. The front passenger Wheel hub has been changed yesterday.
Someone told me to check the drive shafts this was the reason, why i removed/removed the wheel hub, but there was nothing to see.

Anyone had the same issues and a solution ?
How can i find out if the drive shafts are defect/OK ? Theyre not leaking.
Want to be prepared before bringing the car to the dealer ( hes not very experienced, just exchanging parts).
Thanks in advance !

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Old 07-23-2015, 06:53 PM
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Some times the brake pads are loose in the hanger and can jiggle around over uneven road. I don't have an srt but others have reported the issue. Drive over some uneven bumpy road with your foot lightly on the brakes as to "brace" them when doing so. If this is the issue the brakes shouldn't make any noise because they are compressed. Let us know.
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Old 07-24-2015, 03:48 AM
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Re: Front Axle area starting to rattle after a few miles or hard braking

Will do that test, thanks.
I would be glad if it was that easy.
The Sound stays even on good roads once it appeared.
It sounds like a ,hm, defect ball bearing with sand in it.
The only thing i wonder is, why this noise disappears, when i let the ride stand still for some days.
I can then drive for another x miles (as hard as i like), but with hard braking or going over bad roads it starts up again.

Today a brandnew half-shaft arrived (passenger side), ill exchange it (if it does ;-) ). My hope is that one of the CVs is defect.
Will keep you posted.

Greets from Cologne
Dobermann
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Old 07-28-2015, 11:52 AM
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Re: Front Axle area starting to rattle after a few miles or hard braking

I have the same issue in mine and it is the brakes. Started about three months ago and I've been in and out for work so much lately I haven't had a chance to fix it permanently.

I did remove them and tighten the anti rattle clamp with a pair of pliers. It went a away for about two weeks and came back so it needs replacing.

My wheel hub and cv axle are less than 6 months old so I'm pretty sure that it is the brakes and behaves exactly as you described.


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Old 07-28-2015, 03:07 PM
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Re: Front Axle area starting to rattle after a few miles or hard braking

Thx for your interesting reply.
What do you think exactly is defect ? The pads, the rotor ? And what produces that Sound ? Defect Pads IMO produce more a squealing Sound.

I was thinking of a broken and tilt brakepad initially when i first heard this noise. But they seem to be in good condition (fairly unused).
I cant imagine what could produce this growling Sound.

One more thing:
Could it be possible that the pistons are not opening again after braking and the front diff is working against high resistance and starts growling ?
I think ive read about a workaround with pistons from a Porsche 928...
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