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Guest
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im confused, am i reading this wrong? both guys say the opposite of each other, so which one is it?
"Comments: How can you tell which you have limited slip or without? rotate one of the rear wheels, if the opposite side rear wheel rotates in the same direction, you have an LSD. If the opposite side wheel rotates in the opposite direction you do not have an LSD - Nick at Pelican Parts Spin one wheel in the forward direction. If the other wheel on the same axles spins in the same direction then you do not have limited slip diff - Kerry at Pelican Parts __________________ This post was auto-generated based upon a question asked on our tech article page here: |
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10-21-2013, 05:08 AM
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Moderator
Join Date: Jul 2012
Location: New England
Posts: 3,189
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OOPs. Thanks for catching that. Kerry's is a typo.
It should read: Jack up the rear of the car by the rear subframe or differential. Spin one wheel in the forward direction. If the other wheel on the same axles spins in the opposite direction then you do not have limited slip diff, if it does spin forward then you do have a limited slip diff. - Nick |
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10-21-2013, 05:08 AM
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Registered
Join Date: Sep 2005
Location: Sacramento CA
Posts: 1,147
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This is true in theory, but in practice, it is not quite this simple. Both wheels can turn the same direction only if the the drive shaft is free to turn, so this only works if the transmission is in neutral.
BUT, I have observed that on BMWs without LSD, if the drive shaft is free, turning one rear wheel will preferentially turn the driveshaft, and both wheels will turn the same direction. If you stop the driveshaft, then non-LSD will still easily turn, with the wheels turning opposite directions, and the instructions above hold true. LSD, in contrast, will be resistant to turning if the driveshaft is stopped. |
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10-22-2013, 07:16 AM
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