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Vibrating Sound From Tailshaft When Clutch Under Load

JordansR32

By JordansR32,
in Engines & Forced Induction

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JordansR32

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Just recently done a engine conversion on my car, and in the process out a new clutch in.

The drama I have is when I put the car is reverse and go to let the clutch out I feel this bad vibrating sound coming from the tailshaft and towards diff, it's only really from 1st gear and reverse under load that it's the loudest, can sometimes hear from other gears, have tried adjusting the clutch and clutch has done about 700km since being installed, it all was aligned properly no frames and tailshaft went back on fine. It's a extreme heavy duty sprung button ceramic clutch.

If anyone could shed some light on this would be great.

AdmicGlilia Newbie

AdmicGlilia

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Guilt-Toy Grand Master

Guilt-Toy

Posted
Posted

i had this happen to me.... and after a shit load of cash and replacement parts, including a re-balanced tail shaft.... it ended up being the exhaust rubbing on the back bumper bar.

make sure the exhaust has all the correct mountings installed and its not close to touching, even if it looks like it wont touch but its close, when driving in gear it changes position a little.

frustrated the hell out of me this did...

NISMOGTT Collaborator

NISMOGTT

Posted
Posted

i had this happen to me.... and after a shit load of cash and replacement parts, including a re-balanced tail shaft.... it ended up being the exhaust rubbing on the back bumper bar.

make sure the exhaust has all the correct mountings installed and its not close to touching, even if it looks like it wont touch but its close, when driving in gear it changes position a little.

frustrated the hell out of me this did...

i would agree to check this as my mate had an S15 a few years back that sounded similar to this... we changed the exhaust and all went away... was a 4" and changed to a 3" so must have given enough clearence

JordansR32 Collaborator

JordansR32

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Posted

Only just from where it bolts to the front of the diff and back of the gear box, I'm going to have a look on saturday on a hoist get it up there and see what I can find when clutch is let out.

It's got a brand new extreme heavy duty ceramic button clutch, all lined up fine

Ben C34 Grand Master

Ben C34

Posted
Posted (edited)

The clutch lining up part only matters to get the in put shaft from the gear box to go into the splined hole. If it's not aligned you can't get the box on. Just thought I would add that as you mentioned the clutch was aligned twice.

Edited by superben

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