Possible torsen prob - diagnosis?
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I had my car up on a lift today and spun the rear wheel. There was another S4 on the lift next to it, and when I spun its rear wheel, the opposite rear wheel spun in the opposite direction at the same rate. I remember reading that this was what was supposed to happen. When I did it to my car, the opposite rear wheel didn't budge. I then spun the wheel faster and the other wheel began to spin a bit, but nowhere near the same rate. Does this indicate a problem w/ my torsen?
Thanks guys.
Thanks guys.
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I specifically checked when the cars came down. Also, the front wheels had the same characteristics (which would not be effected by the e-brake).
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Both the front and rear diffs are open on the S4 so it has nothing to do with the Torsen. If your brakes slightly drag it could be the cause of what you are seeing. If you're open diffs were broken you'd know it.<ul><li><a href="http://auto.howstuffworks.com/differential3.htm">Good vid of open diff operation.</a></li></ul>