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R33 Gts-t With Gt-r Diff Need Help......

mattymagoo22
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mattymagoo22 Community Regular

mattymagoo22

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Hi guys,

this is my first post as I'm new here, great forum by the way. I need some help! I have an R33 GTS-T which I purchased 3 months ago, very happy, but im having problems with the LSD. The diff in this vehicle is the same as in a GT-R and is called an Active LSD. I have tried to source skline manuals but none of them, that I've got my hands on, have anything about the system eg wiring diagrams, diagnosis etc.....

The problem I'm having is that the diff open wheels from time to time e.g if I try to get the car into a slide going around a right hander the drivers rear open wheels. Around a left hander it will limo up. If the car is held in a static burnout it will limo but if i fish tail to the right the inside(drivers) wheel takes all the drive, hence my bald drivers side tire.

I have 2 dash lights on my tacho the A-LSD and SLIP when I start the car the slip light comes on does its check then turns off, I have never seen the A-lsd light come on at all! should both lights come on when I start the car, should the slip light come on if the diff is open wheeling....

I have checked the resorvoir in the boot, the level of fluid is fine. With the car on a hoist and a block of wood is put under the drivers wheel (passengers side off the ground) and driven in 1st gear the wood stays put and the pass side spins freely, swap it over and the pass side spits the wood out every time, which leads me to believe that it is a problem that could be rectified by have the clutch packs shimed up. However, this system is computer controlled and hydraulically actuated so the problem may be in those places too....

You can see my dilema, I'd rather not pull the car off the road and shim the diff only to put it back in and have it not function properly. I'm not logging any ABS codes under normal driving, burnout will bring on ABS light which means that the input side of things is ok ( I'm assuming that the computer uses wheel speed sesors to determine when it should activate LSD)

So if anyone has any ideas it would be greatly appriciated!

Thanks Matt.

Edited by mattymagoo22
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