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Help Please Bad vibration from rear

Any problems with your Altezza, post questions here
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Bubbles-Tezza
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Help Please Bad vibration from rear

Postby Bubbles-Tezza » Sat Jul 05, 2008 1:23 pm

I need some help!!
My tezza is sick!
There is a bad vibration coming from what seems to be the rear of the car when i lift off the throttle, i doesent happen when i accelerate only when i lift off especially in 6th gear!!
it happens in every gear but worse in 6th!
I have checked gear box, carrier bearing, drive shafts, diff, wheel balancing but still the same!
There is no whining or crunching from gear box and the diff works perfect.
Tryed running the car on a lift in every gear but cant hear or feel it from there.
can only hear it and feel it when driving on road!!
Can anyone help me or had this similar problem?????
Open to trying any suggestions!!!!
Bubbles-Tezza

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Stephen
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Postby Stephen » Sat Jul 05, 2008 3:51 pm

Have you check exhaust/muffler mounts?

Have you tried reversing and lifting off to see if it's the same?

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Evelyn
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Postby Evelyn » Sun Jul 06, 2008 1:40 pm

Rear wheel bearing??

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elexes
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Postby elexes » Sun Jul 06, 2008 2:02 pm

how are you feeling the vibration. where do you feel it from ? the seat the stearing wheel or ?
if ive helped you in anyway vote for carlow to be the first tezzaworld drinking session

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james1485
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Postby james1485 » Sun Jul 06, 2008 7:19 pm

does this just happen when the car is in around 2500 - 3500 rpm?

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james1485
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Postby james1485 » Sun Jul 06, 2008 7:35 pm

the tezza is know for a rumble down the exhaust in all gears around 2500-3500rpm.

you can feel it inside the car sometimes.

maybe this is what your geting

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Bubbles-Tezza
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Postby Bubbles-Tezza » Mon Jul 07, 2008 7:14 pm

I can Feel it inside the car coming from the rear!
It not wheel bearings checked that!
It sounds 2 bad to be exhaust mounts but il check that out to see if it is!
When i lift off i comes through the car from rear but if i just touch throttle at all it goes away!! il do more testing to see if i can narrow it down!
Thank lads.
Any other suggestions welcome!!
Bubbles-Tezza

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Evelyn
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Postby Evelyn » Tue Jul 08, 2008 9:39 am

It wouldnt be brake caliper sticking at 1 side how are ur brake pads?

Moe
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Postby Moe » Tue Jul 08, 2008 10:01 pm

Did you look at the U/V joint from drveshaft to diff?

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E910
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Postby E910 » Tue Aug 05, 2008 10:27 am

There's been lots of conversation about this on the NZ/Australia forums http://z4.invisionfree.com/lexusaltezzaclub/index.php?showtopic=962

It would seem it's just one of those things. There's a few ideas as to what it could be, like worn dual mass flywheels but as the noise seems to come from the diff, who knows?? I even replaced the oil in my diff to see if it would help but it didnt. Made the LSD quiet though.


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