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My 2003 Subaru Forester with A/T has a wet-clutch center differential. If that clutch pack starts to slip excessively, will both axles lose power, or just the front or rear? In other words, is either driven by a gear or chain drive, or does full engine power go through the clutch pack.

This answer has several diagrams and explanations of AWD systems, but doesn't break down the details or identify what make/model/year(s) they apply to.

  • IIRC it'll default to FWD. There is some way to disable the transfer clutch solenoid, it involves a fuse. – Ben Oct 30 '18 at 20:53
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It is always slipping, as none of the four wheels travels an identical linear distance around a bend.

The only time there is zero slip is when the vehicle is moving in a straight line on a flat surface with no wheel spin or it is stationary...

  • Thanks, but I guess i wasn't clear enough. I'm trying to determine if both the front and rear diff get power through the clutch pack in the center diff – Mobius Oct 30 '18 at 18:49

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