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R33 Gts4 Gearbox Issues...

SKiT_R31
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SKiT_R31 Experienced

SKiT_R31

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Posted (edited)

Hey All,

Ive recently bought an R33 GTS4 (N/A). The gearbox was always smooth and happy, but within the last week its started getting harder and harder to change gears, until its at the point now, where i can barely change gears at all, if i try to drive normally/sedate it wont take the gear, incredibly hard to push in and usually crunches in all gears (which before had perfect synchro's). I have to rev match down shifts and double clutch up shifts to actually change gears in the thing.

I've replaced the oil, which was a bit metalic, and i have flushed and bled the clutch fluid, which externally appears to work perfect (the clutchfork goes all the way etc).

It sound like a clutch issue right? But when idling on the spot, i can change between gears perfectly with no resistance, there is no creep, in fact i can take the clutch out halfway and rev the car with still no creep (engages at the end of the pedal) which is what makes me think the clutch is fine....

Also I'm not sure if its related, but before it happened and got really bad, it was making a strange sound in the gearbox/clutch area, like a fan hitting a cable tie, but it only did it at idle with the clutch pushed in, OR after 3000rpm when driving...???? And it only did it once, drove it home (~ 10 min drive) like that, and hasn't done it since i parked it...

Any idea's? To stuff every gear it would have to be the main shaft in the gearbox or something? Or is it clutch related? Cheaper to fix or replace (i can fit the box myself)

What gearboxes are 100% compatible (like no custom stuff), stagea? GTR? (what models?)

thanks heaps,

-Dan

Edited by SKiT_R31
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The Dan Grand Master

The Dan

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Posted

If you have already checked the hydraulic side of things, then it can only be clutch or gearbox. Both of which require the gearbox to be removed.

Remove the gearbox and you will find your answer

Also, all Skyline Attessa boxes (cept 34 GTR) are the same except ratios. R32 GTS4 ratios are quicker but apart from that, strength and compatibility are all the same in every one.

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