Just chasing some idea's on what happens to subaru centre diffs when they start to wear out.

When i first got my car, the car was tight feeling, and when parking especially when hot resulted in clunking and banging from the drivetrain. Under hard acceleration the car felt like a AWD car, and felt like front and rear wheels both spun in the wet.

lately i have noticed (in the last 4 months) that it doesnt clunk when parking when hot, and doesnt feel as "tight" to drive as it did before. Now in the wet it almost feels like toomuch power is going to the rear wheels. It still puts power to the front but something feels different, and in all honesty i really prefered it when it was tight feeling.

Now what i want to find out is how long do the centre diff's last before they wear out? what are the symptoms of them wearing out?

with the car up in the air it still feels like if you hold the rear wheels and turn the front that it is tight, but possibly not as tight as before.

I guess also, if it is starting to wearout what are replacement options?

Thanks

Tom

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Version 6 STI