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ryanbsc 12-18-2011 02:08 PM

Knocking Noise I just cant find where
Hey Guys

I have a 2006 Jeep SRT8, 53,000 miles on the clock.

I bought the car 4 months ago and I really got ripped off in garage bills, so far its had

2 new rear bump stops
1 new power steering rack
apparently 1 front differential bush ( I am not so sure they acctually changed this)
and a new set of pads
I've also had the diff oils changed, power steering fluid T case and auto box done.

However I have an issue where if I go over a bump or a speed bump , or a road with bumps , or causes one wheel to be higher than the other, you feel this clunk through the pedals and steering wheel, you can also faintly hear it.

However it does not do it every time, ie you could go over 5 speed bumps and nothing, and then the 6th one depending how high it moved the car or what angle the car took it on, then clunk, if I take a corner going right, at say 40mph and there's a bump around that corner then it will knock

I feel its coming from the left side of the car, I've had it to the dealers they found nothing, Ive had it to two other garages and they checked the suspension etc but they say cant find anything with "play in it"

I also feel the car "wonders" on the high way at around 70 mph even fi the steering wheel isnt moving the car will wonder to the left and right, and veryyy sensitive to road camber

Has anyone else suffered this issue or is there a common issue with the SRT8 doing this?


FlyinRyan 12-19-2011 01:50 PM

Re: Knocking Noise I just cant find where
Go to your local firestone, they are usually good, get an alignment. Sounds like bad/alignment and bump steer

ryanbsc 12-19-2011 01:57 PM

Re: Knocking Noise I just cant find where
Hey Thanks so much for your help!

Hmm does bad alignment cause the knocking noise to happen over bumps / speed bumps and corners?.

What is bump steer?


FlyinRyan 12-19-2011 02:03 PM

Re: Knocking Noise I just cant find where
It wouldnt but something loose or worn would ...and if its affecting your driving, it would likely show up in an alignment check..

ryanbsc 12-19-2011 02:07 PM

Re: Knocking Noise I just cant find where

hmm yeah over here our alignment centeres are well...not really ran by proper trained staff....all they would do is stick the laser alignment tool on it....and align it up, and have you drive off :(

any other way to check?

FlyinRyan 12-19-2011 02:15 PM

Re: Knocking Noise I just cant find where
Did not see you were in UAE....oops :(

ryanbsc 12-19-2011 02:17 PM

Re: Knocking Noise I just cant find where
lol I know...I'm so jealous of you guys in the states!

Everything is so much cheaper and easier to get...i.e I wanted vented, drilled slotted rotors and ceramic pads all round as my brembos well...suck...cost me a fortune and score the hell outta my oem rotors....but the cost of shipping is more than the cost of the brakes!

is there a suggested way to DIY check the suspension, bushes and engine mounts my self?......if I dont have a ramp but can buy a jack...

kfc195 12-19-2011 07:52 PM

Re: Knocking Noise I just cant find where
I have a 2011 JEEP COMPUSS AND IT DOES THE SAME THING. TOOK IT TO DEALER once already they could not find anything wrong with it. Tomorrow its going back again maybe they will find somthing

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