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Originally Posted by Mr. Pockets
I think it would absolutely create other problems. For instance, when solenoid C fails, and the car can't govern pressure to the transfer clutch, the driveline binds up and the whole car shakes in turns.
In my opinion, there's no reason to wire up the solenoid so it's always providing full pressure. The TCU does a greate job on its own, so let it.  |
Some people have done the "push button solenoid" mod on Legacys with varying effects. Some people have fried solenoid C's requiring tranny removal while others have just gotten a CEL for the TCU not liking the new switch, and some others have had no problems at all (yet). If you really need 50/50 that badly, putting the car in the "1" position with the gear selector will give you a 50/50 split if you have the 4EAT. I personally find no reason to mess with the TCU because it does a fine job of varying torque split.
The SVX has a LSD, which makes for it being very useful in the snow. I don't think I'd see the need for needing a switch to make the car 50/50 split.