Worn clutch type LSD???
I donīt know if my clutch type s4 gxl lsd is worn.
When I jack up the rear wheels of the car and I spin the wheel slowly and the other spin in the same direction also. But when I spin it fast from a dead stop the other with spin slightly, not at the same speed. Is this a sign of a worn LSD? How can I know by other method if my lsd is worn? Thanks a lot |
Stock turbo clutch-type LSD's are all worn at around 30k - 50k miles.
Yours is probably done too. -Ted |
At newest, it's 20 years old, so yes, it'll be due for a rebuild.
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Thanks for the raplies.
I have also tried to engage the first gear with both wheels in the air and tried to stop one of them with gloves when idling, it was hard by I finally stopped it, it also seems to want to run making some force... Anyway, is there any method to check if it is actually worn? Cheers |
Take it apart and measure the disks with a caliper.
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Raise rear end.
Make sure one wheel doesn't turn. Use a torque wrench on the other wheel and see how much torque it takes to make it spin. -Ted |
Originally Posted by RETed
(Post 8584324)
Raise rear end.
Make sure one wheel doesn't turn. Use a torque wrench on the other wheel and see how much torque it takes to make it spin. -Ted And i assume just put the tourqe wrench on one of the lug nuts? |
Originally Posted by RETed
(Post 8584324)
Raise rear end.
Make sure one wheel doesn't turn. Use a torque wrench on the other wheel and see how much torque it takes to make it spin. -Ted |
Put the torque wrench on the axle nut.
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drive on gravel with wheel and pavement with the other....... do a good burnout and see if the pavement has a nice equal patch of rubber with the mess in the gravel. Thats a real test, tourque specs will be ok for testing but actually seeing how it performs is more important.
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not sure for rx7's in particular, but I've check the specs on other clutch type lsd's and it's usally in the range of 40-60 ft/lbs. Just measure yours, if it's 10 or 20 ft/lb you know it's worn. I believe you can use a shim for a temporary fix.
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Thanks for the replies. Finally I am going with Torsen because it will race on autocross and I think it will be better.
I will use the same gear ratio, do you know if I must set any preload? I supose that it is not necessary because it will be the same gearing but I think I have read something about it. Thanks Regards |
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