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1998 993 Limited Slip and ABD

Transmission and Clutch

Vehicle Information: Year: 1998; Body Type: Coupe; Total Mileage: 19,900;

Recently, I jacked up the rear passenger tire to inspect the wheel bearing, and I noticed that the rear passenger wheel hub would spin freely in forward and reverse directions while the other wheel was sitting on the ground. My original window sticker indicates an option called "Torque Limited Slip w/ ABD" and the option codes under the hood show "220" and "224" which I think are "Locking Differential 40%" and "Automatic Limited Slip Differential". I have also seen mention of "P08" as the option that indicates limited slip differential which I do not see on my option sticker.Is it "normal" for the rear wheels to spin independently as described as I thought that limited slip prevented such a situation? If there are different versions of limited slip differentials for this model, what version do I have and what other versions exist?

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