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Author Topic: Subaru Legacy transmission binds on turns  (Read 750 times)

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Offline Dark Lightning

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Subaru Legacy transmission binds on turns
« on: December 28, 2006, 12:18:15 AM »
1998 Legacy 2.5GT automatic

When turning left or right in parking lot situations the transmission feels like its binding up.  I'd compare it to driving a 4x4 truck in four-low and turning the wheel all the way over to lock.

Bad center diff maybe?  Possibly permanently locked and no longer limited slip?
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Offline Castle

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Re: Subaru Legacy transmission binds on turns
« Reply #1 on: December 28, 2006, 12:51:43 AM »
so it hops when turning?
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Offline Dark Lightning

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Re: Subaru Legacy transmission binds on turns
« Reply #2 on: December 28, 2006, 11:42:26 AM »
Yes it binds and with added power (throttle) it will move forward, but it 'crunches', for lack of a better term.  It feels like two meshed gears are not quite seated properly and we're jumping one tooth at a time.
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Offline A4RocketMan

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Re: Subaru Legacy transmission binds on turns
« Reply #3 on: December 28, 2006, 11:54:13 AM »
how are the cv joints?? may cause binding
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Offline Hawk296

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Re: Subaru Legacy transmission binds on turns
« Reply #4 on: December 28, 2006, 01:09:58 PM »
Ide check the CV joints. The 4eat that year doesn't have a real center diff, If you put the fuse in for FWD does it still do it?
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Offline Dark Lightning

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Re: Subaru Legacy transmission binds on turns
« Reply #5 on: December 28, 2006, 02:20:58 PM »
I will check the CVs this weekend. I know that if I put the car in neutral I did not see the same symptoms.  Thanks for your help guys; I will post follow-up info in a few days.
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Offline Hawk296

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Re: Subaru Legacy transmission binds on turns
« Reply #6 on: December 28, 2006, 11:54:36 PM »
If that is not the case, then it could be the duty solenoid "C" sticking. THe "center diff" in that car is just an electronic transfer clutch. The clutches are normally together (locked) by default, and the solenoid pulls them apart to allow slippage. So if the solenoid fails they will be locked 50/50 front rear. This has been known to cause some binding.

Ill see if I can dig up some info on it...

Edit: Found the article I was looking for
http://www.toad.net/~rrubel/bulletin.html#Anchor2

And some background info form the endwrench archives http://www.endwrench.com/archive/sysdrive.html
« Last Edit: December 29, 2006, 12:01:11 AM by Hawk296 »
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Offline Castle

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Re: Subaru Legacy transmission binds on turns
« Reply #7 on: December 29, 2006, 12:30:22 AM »
wow I don't even own a subaru and that is some cool info! 
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Offline Dark Lightning

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Re: Subaru Legacy transmission binds on turns
« Reply #8 on: January 22, 2007, 06:42:58 AM »
Sorry about the slow response.  Somewhere along the way my second daughter was born and things got hectic.  :D

Quote from: Hawk296 on December 28, 2006, 01:09:58 PM
Ide check the CV joints. The 4eat that year doesn't have a real center diff, If you put the fuse in for FWD does it still do it?

I have not yet checked the CVs, but inserting a fuse into the FWD holder ends my problem.  What does this tell us?  Check the rears CVs first?
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Offline Rex Karz

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Re: Subaru Legacy transmission binds on turns
« Reply #9 on: January 22, 2007, 04:50:37 PM »
Congrats on  the daughter:)
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Offline Castle

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Re: Subaru Legacy transmission binds on turns
« Reply #10 on: January 22, 2007, 08:30:39 PM »
or the center diff is locking.
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'98 A4 1.8tqm named Jammer
'12 Veloster with style and 6 speed
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