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R33 Gtst Box

SirRacer
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SirRacer Experienced

SirRacer

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I had my r33GTST box rebuilt last year with completely new bearings throughout and new syncros in second and third. It has probably done 1000 kms since then most of which has been casual sort of driving.

I took my car for a drive yesterday to try and tune my boost controller and now im getting a whine coming when i press the clutch in. Release bearing tends to ring a bell, however i thought this only made a noise when the car was in neutral or the gearbox not engaged. It doesnt make any other noises and the car drives fine.

I run 300kws behind it, however its only ever had the best oils etc.

On a side note, since it was rebuilt it has always crunched into second when the oil was cold. Is this normal considering my new syncros?

Thanks

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Birds Grand Master

Birds

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Thrust bearing it is. It's a misconception that a worn thrust bearing makes a sound in neutral when the pedal is released; this is usually a gearbox related problem as with the pedal released, even in neutral, you have engaged the gearbox. In contrast, thrust bearing issues tend to show face when you push the pedal in because this is when the bearing is actually used.

Should have replaced clutch / thrust bearing when you reconditioned the gearbox...

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Birds Grand Master

Birds

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It's not an autochange on the whole word "spigot" but it autochanges the word pig into cop.

Was the thrust race properly greased up when installed? It could be the spigot bush...

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SirRacer Experienced

SirRacer

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Hi Birds, thanks for your posts.

It was done by the engine reconditioner so in all honesty im not 100% but it didnt look too bad. How long do you think it is likely to take me and a friend (hes a mechanic but hasnt done one of these before) to remove gearbox (we have a hoist) remove release bearing and "spigot" and press in a new one?

You seem pretty onto it with these? Where did you get the knowledge from?

So basically its not a gearbox problem due to the gearbox not being engaged when the clutch is pushed in, and its likely to be one of these bits?

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