Quote:
Originally Posted by scottvd
What is the standard differential on my 2004S? Is it just simply an open differential? From what I've read you can purchase an aftermarket LSD or PSE or whatever was a factory option that worked kinda like LSD but used computer controlled braking to even slippage. Is that all accurate?
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No. The factory diff is an open unit. 2004 cars did not come with traction control, but with stability management (PSM), which is not traction control. PSM kicks in when the car's yaw angle exceeds certain preset limits and brings the car back into a controlled line. When standing still, or moving slowly, there is no measurable yaw angle, so the PSM would remain dormant.