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When I hear the rattle, I push down on the top of the shift boot and the rattle goes away. I think if the knob could tighten down another eight

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Old 11-24-2010, 03:43 PM   #16 (permalink)
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When I hear the rattle, I push down on the top of the shift boot and the rattle goes away. I think if the knob could tighten down another eight of an inch or so the rattle would disappear.
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Old 11-24-2010, 04:10 PM   #17 (permalink)
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Originally Posted by ThirdGearPerformance View Post
I wouldn't know what the issue was because i personally don't drive a Z, but if you guys find out what the problem is then i can get it fixed from Password.
I think that the fix might be to open up the inner diameter of the knob area. If you turn it upsidedown...there are 2 step down "holes". One is to clear the shift post and the other step down area is where the threading starts to screw it on. Its the first "hole" that clears the shift post that might need to be opened up like maybe 2mm or so. I think that the vibration from the transmission is causing the shifter linkage and post to oscillate and just touch the inner portion of the knob causing the metallic vibrations at high RPM's.

I bought the delrin version as well to test this theory out. It should arrive to me next Monday or Tuesday. Will change out the shift knob and post results.

If it is the knob itself...then using the delrin one should eliminate the vibrations since it is technically a polymer...aka...plastic.
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Old 11-24-2010, 05:08 PM   #18 (permalink)
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Originally Posted by phelan View Post
get the right collar and you'll have no problems. enjoy, i really like the pw:jdm shift knob
Phelan I could see you with a Zele shift nob! They super cheap too!
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Old 11-24-2010, 06:11 PM   #19 (permalink)
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I think that the fix might be to open up the inner diameter of the knob area. If you turn it upsidedown...there are 2 step down "holes". One is to clear the shift post and the other step down area is where the threading starts to screw it on. Its the first "hole" that clears the shift post that might need to be opened up like maybe 2mm or so. I think that the vibration from the transmission is causing the shifter linkage and post to oscillate and just touch the inner portion of the knob causing the metallic vibrations at high RPM's.

I bought the delrin version as well to test this theory out. It should arrive to me next Monday or Tuesday. Will change out the shift knob and post results.

If it is the knob itself...then using the delrin one should eliminate the vibrations since it is technically a polymer...aka...plastic.
Oooh! A reason to use my drill press
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Old 11-24-2010, 11:21 PM   #20 (permalink)
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Oooh! A reason to use my drill press
LOL...check first though. This is only what I think it is....if you can experiment and come up with the source location and its the same...then go for it. I have tried to dremel it...but the "bit" doesnt grind cleanly. Actually....I suck in regards to the usage....
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Old 11-25-2010, 02:22 PM   #21 (permalink)
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When I hear the rattle, I push down on the top of the shift boot and the rattle goes away. I think if the knob could tighten down another eight of an inch or so the rattle would disappear.
My stock setup rattles from time to time, very annoying. I can duplicate it by wiggling the shifter back and forth.........it sounds like a plastic or nylon bushing tapping metal.
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