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Old 09-14-2012, 05:09 PM   #1
giosoccer20
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Default Center Differential/Viscous Coupling problem. Need help finding part!

I've had a problem with wheels binding and popping and stuff, and I, and many of you on here, have deduced that's it's the viscous coupling. Anyways, I went to my local Soob Dealership to get a price for what things would cost, and they couldn't really help with finding what part I need exactly. I got a printout from them of what looks like the whole center diff assembly.

The guy told me to go on forums and try and find out what the part number is for what I need.

So...Do any of you know what the part number is for the viscous coupling? I have a photo of the diagram they gave me..but I'm not sure how I can put it on here. The part they showed me as the thing I may have been talking about cost $585
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Old 09-14-2012, 05:46 PM   #2
STi Guy 69er
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Viscous coupling is in the center differential assy. The diagram i see from searching looks like #26 in the picture, not sure if its the same picture u have. Part # 38913AA101. Thats from the same picture.

Last edited by STi Guy 69er; 09-14-2012 at 05:58 PM.
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Old 09-14-2012, 06:30 PM   #3
giosoccer20
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Hmm i have part number 38913AA102 here written by them..any idea what that is?
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Old 09-14-2012, 06:33 PM   #4
giosoccer20
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Also...is it possible to get the entire center differential assembly off of amy other subaru? Say if i were to go to a junkyard. Or is the only compatible differential a 1999 imlreza 2.5 rs?
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Old 09-14-2012, 08:25 PM   #5
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Old 09-14-2012, 09:17 PM   #6
giosoccer20
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Quote:
Originally Posted by Patrick Olsen View Post
doesnt really help...lol, but thanks. I didn't think i posted this thread in the wrong section since i have an N/a subie
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Old 09-14-2012, 09:17 PM   #7
STi Guy 69er
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That part number is for the whole center diff assy which will include the viscous coupling. Thats your best bet. I would go with that. No point in tearing apart the center diff to change the viscous coupling because youll end up replacing more than you bargained for.
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Old 09-14-2012, 11:46 PM   #8
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Quote:
Originally Posted by giosoccer20

doesnt really help...lol, but thanks. I didn't think i posted this thread in the wrong section since i have an N/a subie
The transmission forum is where this should be. You have an n/a powertrain (engine and associated accessories) but that has nothing to do with the transmission, drive shafts, differentials, etc. You will probably not find what you need in this forum.

Nobody is going to research your car/parts for you so go where someone knows this stuff off the top of their head... aka the transmission forum.

There are phase I and phase II 5MT transmissions. If you have a phase I, the center diff can be taken apart and the viscous unit can be replaced. On phase II transmissions the viscous coupling is integrated into the diff itself so there is no part that can be taken out and replaced. It's literally the inside of the diff IS the viscous coupling.

In either case I would just replace the entire differential. It's easier, cheaper and takes less time.
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Old 09-15-2012, 01:56 AM   #9
Patrick Olsen
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Quote:
Originally Posted by giosoccer20 View Post
doesnt really help...lol, but thanks. I didn't think i posted this thread in the wrong section since i have an N/a subie
You can lead a horse to water...
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Old 09-15-2012, 11:08 AM   #10
giosoccer20
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Quote:
Originally Posted by Patrick Olsen View Post
You can lead a horse to water...
Hahaha ok sorry sorry. I will go drink water from there
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Old 09-15-2012, 11:09 AM   #11
giosoccer20
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Quote:
Originally Posted by STi Guy 69er View Post
That part number is for the whole center diff assy which will include the viscous coupling. Thats your best bet. I would go with that. No point in tearing apart the center diff to change the viscous coupling because youll end up replacing more than you bargained for.
The part number you gave me is the whole assembly? Or the part number i wrote?
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Old 09-15-2012, 12:30 PM   #12
STi Guy 69er
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The number you wrote, the one i wrote is for the viscous coupling on a phase 1. Im guessing you have the phase 2 because the dealership looked up the part according to your vin and that part # you gave is for the whole center diff assy.
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Old 09-18-2012, 01:55 PM   #13
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What a useless worthless dealership...
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Old 09-18-2012, 04:07 PM   #14
Sleeper_RS
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^ ya it's kinda sad a bunch of people on a forum help more than the people at the dealer that get paid for it.
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