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hi all,

Ive just noticed the last couple of times i drove my car it was difficult to select 2nd gear. the clutch isnt more than 1 yr old and the gearbox was rebuilt 11 months ago. im not too sure if my clutch is on its way out or not. i do drive hard sometimes.

how often do i need to change the gearbox oil and soforth? 5 speed manual r33 gtst. exedy organic heavy duty clutch.

need advice.

thanks in advance :laugh:

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hi all,

Ive just noticed the last couple of times i drove my car it was difficult to select 2nd gear. the clutch isnt more than 1 yr old and the gearbox was rebuilt 11 months ago. im not too sure if my clutch is on its way out or not. i do drive hard sometimes.

how often do i need to change the gearbox oil and soforth? 5 speed manual r33 gtst. exedy organic heavy duty clutch.

need advice.

thanks in advance :laugh:

What gearbox oil are you using?

Could it be due to the weather cooling and the oil thickening?

How old is your slave cylinder? (underneath on driver side of gearbox)

I fitted a new slave cylinder, fresh clutch fluid and had it all bled and it was like I just had a brand new clutch fitted, that's how big of difference it made.

If you havent got it already, try putting synthetic oil in your gearbox. Synthetic oils perform much better a low (and high) temperatures than minerals. I havent had any sticking since i switched to redline light shockproof in my tired old box. Shockproof is not suitable for a recently rebuilt box tho.

gearbox was built from scratch 11 months ago. i'l change the gearbox fluid and clutch fluid n see how it all goes

11months is nothing. It should still be perfectly fine unless your master or slave cylinder is bleeding off a little resulting in poor travel.

---------

Not saying this is the case in your circumstance but I had a gearbox rebuilt for $1200 including in/out labour (VS 5ltr 5speed) some years ago as first gear was popping out and I didn't have the time to do it myself.

I requested everything to be replaced, all bearings and syncro's as the box had a little layshaft rattle. (I've rebuilt box's before I know what sounds are coming from where)

Upon receiving the gearbox it still had the layshaft rattle; I questioned the people and they told me it was a load of crap and couldn't hear the layshaft rattle when it was as clear as daylight. He also told me they send the gearbox's off to a specialist to rebuild. So that was that.

A few months later at a party I met a bloke and we got talking. He mentioned they do the gearbox work for the mechanical shop that I had do mine and that he remembers doing a vs 5ltr 5speed gearbox box BUT it wasn't a full rebuild; it was only to fix the first gear (he said it was just a pin that dropped out) and replace syncro's. I return to the work shop and find they have gone bust...... :)

So screwed.

90% sure it's your gearbox oil guys. I got some Motul gearbox oil put in mine and I started having the very same problem. Switched to Red Line Light Weight Shock Proof and I couldn't be happier. No problems now whatsoever. It's not recommended for newer boxes though.

Talk to a mechanic that works mainly on imports and they all recommend it.

Talk to a 'gearbox/clutch specialist mechanic' and they tell you it's a not as good as everyone thinks. I had 1 good local specialist mechanic show me the internals of 2 gearboxes that he was working on. The gearbox that had Castrol oil was nice and clean, the redline gearbox looked like someone had filled it with grease, not oil.

Each to their own I guess.

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