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car shudders over 90 WTF 

 

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 Post subject: car shudders over 90 WTF
Posted: Fri Mar 25, 2011 11:26 pm 
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ok so I have done the usual things, Tyres, Wheel balance (Twice) etc

doing 90 or over my car shakes (the steering has some shudder) I can see the shifter shaking and feel the shaking through my seat...

What could be the causes...???

Thanks in advance.

 

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 Post subject: Re: car shudders over 90 WTF
Posted: Fri Mar 25, 2011 11:44 pm 
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it is only speed related and not rev related?

If it does it a common rev point it can be the harmonic balancer...

If it is speed its post the gearbox... so tailshaft is still balanced?

Other than that really only wheels that need balancing... Rim aren't buckled?

Cheers,
Tim

 

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 Post subject: Re: car shudders over 90 WTF
Posted: Sat Mar 26, 2011 12:17 am 
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gearbox hasn't been out before? torque converter might be starting to throw bolts out

 

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 Post subject: Re: car shudders over 90 WTF
Posted: Sat Mar 26, 2011 3:20 pm 
Getting Side Ways
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thanks for the reply fellas...

nah its not rev related... Either gear its in its the same... When you go above 90 shakey shakey seems till you go above 125km its gone.

 

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 Post subject: Re: car shudders over 90 WTF
Posted: Sun Mar 27, 2011 2:16 pm 
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I had a similar problem a while back. It ended up being the extension housing bush in the trans was flogged out and I also had a bent tailshaft. Cost me $40 for a changeover housing with new bush and about $80 for tailshaft balance.

Good Luck I hope that helps!

 

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 Post subject: Re: car shudders over 90 WTF
Posted: Sun Mar 27, 2011 5:52 pm 
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I agree with 'izedso'. Get an Auto Transmission shop to check out the extension housing bush.

Cheers
BenJ

 

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 Post subject: Re: car shudders over 90 WTF
Posted: Tue Mar 29, 2011 1:07 am 
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possibly loose engine mount?
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 Post subject: Re: car shudders over 90 WTF
Posted: Thu Mar 31, 2011 10:24 am 
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Had the same problem with mine, my disks were warped and brake pads almose bare, I know it sounds simple, but changing the disks, rotors and pads (as well as brake fluid and hoses) all gone now
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 Post subject: Re: car shudders over 90 WTF
Posted: Sat Apr 02, 2011 9:32 pm 
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Tyre weights stuck on with dbl sided tape? Any missing? I had 4 trips to biggest tyre seller in the country to get my wheels balanced. As soon as the car got to 70km/h, BANG! under the car, one of the weights would've come off and bounce from the chassis to the road and the balance was gone.. Went to Jax, and problem is gone.

 

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 Post subject: Re: car shudders over 90 WTF
Posted: Sat Apr 02, 2011 9:51 pm 
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new bearings in the front stopped the shuddering i got at highway speeds.

if your wheels were out of balance before it's likely the bearings suffered.
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 Post subject: Re: car shudders over 90 WTF
Posted: Wed Apr 06, 2011 9:05 pm 
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thanks fellas, well turns out a few contributors, my NEW balljoints were flogged out about 4-5mm play, tyres out of round, and tie rods were borderline!

so now its got new tyres, new bearings new upper and lower ball joints, new tie rods, new rack ends, balanced, new dba slotters , it drives well now lol :P

 

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