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R32 Help....new Clutch Wont Shift

speedmaster_GTR
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speedmaster_GTR Newbie

speedmaster_GTR

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Just installed a new clutch in my 89 GTR, exedy disk, valeo presure plate. Got it in and down on the ground with all new fluids, the thing will not go into gear when its running. Im have done quite a few clutches in my day, this one was not really any different, i dont know what went wrong. Heres what i checked and did before ripping it back apart. Ok so it wouldnt go into gear while it was running but it would when the engine was shut off. I tried putting it in gear with the car off, and starting it with the clutch pushed in, lerched forwards....checked the slave cylinder(its brand new only about 1000km's) lots of travel does not need to be blead. I used a bar to move the shift fork past the travel of the slave while having a helper try to put it in gear with it running, didnt work, didnt even try to go into gear. At this point i was getting pretty pissed off, i really didnt want to rip the tranny out agian. Had a few opinions, mabey the disk was in backwards, didnt think so but a chance, i had the flywheel machined at Lordo, mabey they took too much off? So anyways i pulled the tranny hoping id find somthing wrong(only took 2hrs to remove the second time) and have compared the new and old disk and presure plate and cant see any physical differences. Can anyone shed some light on my problem? Does anyone know the minimum thickness for the flywheel on a GTR?

thanks

Darren

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speedmaster_GTR Newbie

speedmaster_GTR

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Have got the right thrust brearing, I think with my single plates they machined the flywheel flat ( removing the 0.5mm step ) for the excedy clutch plate

The release bearing looks identical to the one that came out, and yes the flywheel has been machined "flat" no step

speedmaster_GTR Newbie

speedmaster_GTR

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when you go to far with the machining on the flywheel the pressure plate moves in to and moves away from the fork to fix it you put a slightly thicker washer under the pivet ball where it screws into the gearbox

How do you measure for this? Its one hell of a heavy tranny for trial and error....lol

XKLABA Grand Master

XKLABA

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Its hard to measure and probly a last resort usely only done when every thing else has checked out, like fork is not split, bearing is right and put in properly, hydrolics are good and working fine then it might be the spacer and is best to take to a pro with experince on GTRs or trail and error and a bit of guestimating

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