S13 vibration ,shuttering ,from rear

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mgp87zxt
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Joined: Sat Aug 30, 2003 10:26 am
Car: f%$&ing, cars, music

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I have an 89 s13 that has been vibrating in the rear when i hit a bump under load or when i light the tires up in a right hand turn.similar to wheel hop

I have checked the suspension and drivetrain and everthing checks out pretty solid.

The only things I have noticed so far is that the transmission mount has a little play in it and the back suspension feels a little soft and worn.

Where should I look first?

Is there something else that could cuase this that I am overlooking?

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PROJECTRB240SX
Posts: 3673
Joined: Fri Jun 13, 2003 5:33 pm
Car: 1972 DATSUN 240Z W/ SR20DET

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SUB-FRAME BUSHINGS, transmission MOUNT, REAR TRACTION BAR BUSHINGS, TIRE BALANCE, ROTATE TIRES (IF POSSIBLE), THERE ARE A MILLION THINGS TO CHECK.

mgp87zxt
Posts: 135
Joined: Sat Aug 30, 2003 10:26 am
Car: f%$&ing, cars, music

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already tried the tires that was my first guess.

all the rear suspension bushings look good no cracks no play anywhere.

About how much play should the transmission mount have in it if any ?

This only happens when attempting to drift a right hand turn. when i light the tires up in a left hand turn all is good.

[Zero-S]
Posts: 5295
Joined: Wed Apr 16, 2003 10:56 am
Car: Tell me whats wrong with this picture. 3 240's, only one runs.

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Umm...stupid question but are your tires properly inflated?

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PROJECTRB240SX
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Car: 1972 DATSUN 240Z W/ SR20DET

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YOU COULD POSSIBLY HAVE A BAD STRUT ON THE RIGHT SIDE OR THE TRACTION ROD BUSHING IS BAD. THE transmission MOUNT IS NOT A WORRY IF IT IS ONLY A SPECIFIC TURN YOU ARE DOING.

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MysteryIncMan
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Car: 1995 240sx SE

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Mine did same thing. Struts were bad. Replaced them and made all the difference.

mgp87zxt
Posts: 135
Joined: Sat Aug 30, 2003 10:26 am
Car: f%$&ing, cars, music

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when you say bad strut you are refering to worn shock absorber , spring or both right?

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PROJECTRB240SX
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Car: 1972 DATSUN 240Z W/ SR20DET

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JUST THE ABSORBER, THE SPRING SHOULD BE FINE.

mgp87zxt
Posts: 135
Joined: Sat Aug 30, 2003 10:26 am
Car: f%$&ing, cars, music

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thankz for your timeI have noticed the shocks to be rather soft in the rear.

what are some good aftermarket brands?

prices?

I run tockico blues on my z's how do those work out for the s13?

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PROJECTRB240SX
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Car: 1972 DATSUN 240Z W/ SR20DET

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KYB, TOKICO, TEIN, BLISTIEN SOME OF THE BEST.


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