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High speed wobble after bumps @ 100km

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Old Aug 18, 2010 | 07:24 PM
  #1  
paulyboy83's Avatar
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Default High speed wobble after bumps @ 100km

Hello all,

I am a relatively new Jeep Cherokee owner. I must say that I am not a fanatic about them in the respect of modifications etc., but I do love my Jeep!
I have a 1996 Cherokee Sport with 240,000 km. I acquired this vehicle about 3 months ago now and have enjoyed every minute of it.

My concern is this:
While driving down the highway at 100-110 km/h, I have on 2 seperate occasions experienced an extremely scary speed wobble after hitting a dip in the road or a series of small potholes. I don't imagine this is normal behaviour for a normally solid little vehicle like this so I assume there must be something wrong in the suspension.

I think it may be located on the passenger side of the vehicle but as this is my first 4X4 I am unfamiliar with all the suspension parts and how they all work together.

I am hoping someone on here may point me in the right direction and save me the trouble of taking it to the garage to find out.

On a side note, my speedo also reads 10 km/h faster than the speed I am actually travelling. I know that the speedo gear is replaceable but was wondering if someone may know whether I need a gear with less teeth or more teeth to correct this problem.

Thanks in advance for any and all help/suggestions given!

PB83
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Old Aug 18, 2010 | 07:29 PM
  #2  
CodeXJ's Avatar
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From: Port Orange, FL
Year: 1993, 1994
Model: Cherokee
Engine: 4.0L HO
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Ah yes, the dreaded 'death wobble'.

You are right, though, it's a worn bushing or tie-rod that's causing it. If you search 'Death Wobble' you'll get some more in-depth info.
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Old Aug 18, 2010 | 07:42 PM
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Thanks CodeXJ for the speedy reply. I will do as you have suggested although after seeing "Death Wobble" I am really quite frightened!

The first time it happened I nearly dropped a load in my pants! I thought I was gonna flip right over!

PB83
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Old Aug 18, 2010 | 07:48 PM
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Some good info....

http://www.ironrockoffroad.com/Merch...0checklist.pdf
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Old Aug 18, 2010 | 07:54 PM
  #5  
CodeXJ's Avatar
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From: Port Orange, FL
Year: 1993, 1994
Model: Cherokee
Engine: 4.0L HO
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Originally Posted by paulyboy83
Thanks CodeXJ for the speedy reply. I will do as you have suggested although after seeing "Death Wobble" I am really quite frightened!

The first time it happened I nearly dropped a load in my pants! I thought I was gonna flip right over!

PB83

Yeah it can be a bit disconcerting...

Personally I think Death Wobble is my way of my Jeep telling me it wants a lift.
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