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supdaf supdaf is online now
mechanic by night
 
Join Date: Jan 2002
Location: south of atlanta
Posts: 110
I started thinking about this thing and a couple of points started to stand out. Is the car standard or auto. Subaru uses different systems for each. The standard uses a viscous? coupling that heats up if wheels spin at different rpms. Mainly front to back. obviously they have taken care of turns where there is a bunch of differing rpms. The autos (what I have) use a computer that senses wheel spin and disengages a clutch in the tail of the tranny to engage the drive shaft, ie the rear wheels. I wonder how much of a difference in wheel speed causes the transmission computer to engage the rear? I do not know how a side-to-side difference effects the front two wheels. I believe from what I have studied that the system in the auto is not advanced enough to work side-to-side only front to back. Right now I have another 95 legacy that is basically full time awd. The wire to the solenoid to the transfer clutch (power to the rear) ohms out open. The system is fail safed to be awd unless the computer energizes the solenoid causing the rear to be free. A Subaru tech said I should not drive very far with my current broblem, that was 30k miles ago. No prob yet.

Golly gee wiz
Old 06-17-2008, 07:01 AM
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