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Old 07-07-2009, 02:47 PM   #1
boostedballs
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Member#: 164977
Join Date: Nov 2007
Chapter/Region: NWIC
Location: NORCAL
Vehicle:
1991 Legacy SS
black

Default 4EAT Torque Bind, Fuse does not activate FWD; where is solenoid?

The car: 1997 Legacy GT, 4EAT 177K miles.

Torque bind big time (I've had torque bind in other Subies but nothing like this) this is severe.

I installed the fuse over the right front fender but it does nothing. I am guessing that the solenoid that controls the AWD has burnt open. I checked the wire harness to the trans for pulled pins and corrosion. Looks fine.

I want to replace the solenoid myself. I won't even let another "mechanic" change my oil; I'm just anal like that.

Does anyone have a photo or just a good description of where this solenoid is? I assume it will be attached to the valve body but do I need to remove the valve body or did Subaru locate it in an easily accessible location?

Also, I have a 4EAT that works perfectly from a 91 Legacy SS, I think the final drive ratio for both is 3.9; can I swap that one into the 97 GT?

Also (again) If I were to go with the "GM limited slip additive route", how much should I add?

Thanks!!!!
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Old 07-07-2009, 11:58 PM   #2
Subieformance_Guy
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Member#: 108716
Join Date: Feb 2006
Chapter/Region: South East
Location: Swannanoa, NC
Vehicle:
2004 2.1L, PT 6069
480@30psi Subarus-R-Us

Default

That'd be the transfer clutch solenoid in the tailshaft of the tranny. Ive seen them so bad that the fuse dosnt do anything kinda like whats going on with yours right now. If you pull the tailshaft off there will be one connector. Disconnect that and the solenoids on the tailshaft held on by a couple 10mm bolts.
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Old 07-08-2009, 02:00 AM   #3
boostedballs
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Member#: 164977
Join Date: Nov 2007
Chapter/Region: NWIC
Location: NORCAL
Vehicle:
1991 Legacy SS
black

Cool

Sweet, I'll give that a shot!
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Old 08-23-2009, 08:13 PM   #4
87GL
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Member#: 103350
Join Date: Dec 2005
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Hey guys, I've got the same problem: torque bind and the FWD fuse doesn't change the situation. On a sidenote, I couldn't get the "handshake" to work either(to show a trouble code). On another sidenote, I haven't checked the tires for equal circumference.

But in the mean time, can anyone give me more details on changing out the C solenoid? E.g. how do I take off the tailshaft and what does the C solenoid look like?

Thanks,
Andy
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Old 08-24-2009, 08:19 PM   #5
87GL
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Member#: 103350
Join Date: Dec 2005
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Based on some more research, I need to:
1. Remove rear driveshaft
2. Remove exhaust system after catytic converter
3. Remove "tail" of transmission
4. Change solenoid...is there a way to test it? I assume I just need to test for an "open" condition which would confirm it's faulty.

Thanks,
Andy
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