Last post on Feb 29, 2012 at 11:27 AM
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Subaru Impreza, Engine
#7 of 8 Re: No awd [pj43]
Feb 29, 2012 (8:52 am)
The center differential is a series of clutch packs. If they're worn out and are just slipping against one another rather than grabbing, you won't get any power to the rear wheels. I am not sure that you would get noise. It is not unheard of for the center differential to go out.
No fuse in the FWD box is good - if you put a fuse in there, it activates a solenoid in the center differential that decouples the rear.
Perhaps put the car up on jack stands and put it in gear to see if you get any spinning out of the rear wheels with no resistance on them. If working at all, all four wheels should spin.
#8 of 8 Re: No awd [xwesx]
Feb 29, 2012 (11:27 am)
If he has the VC then the fuse does nothing - it's a mechanical AWD system. Sounds like a damaged one.