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Old 03-22-2009, 10:32 PM   #1
JamesWilson2
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Question Center Diff replacement and cost?

Sorry guys but to preface I have extremely limited internet access....I picked up a '97 Impreza L AWD manual from Ohio and am 500+ miles into my road trip back home to Houston, and the center diff gave up the ghost. It will go straight (with noise), but shudders and "brakes"/provides resistance in low-speed and parking lot/gas station turns. Shifting is awesome, clutch is fantastic, just the above problems.

I have MANY more miles to cover (for some reason NASIOC is the only site I can access, all others have Page Load Errors, so no Google Maps for me), and need to see if it is possible to make it. Verizon does not work in Nashville, both my cell phone and broadband card are not functional..."borrowing" some unsecured access as we speak.

When I get back to Houston, I need to see if it is cost-effective to remove trans, split case, remove center diff & replace, button back up and reinstall, or just put another unknown used transmission in it. Budget is extremely tight, especially if I am adding days away from work to get this car back to TX.

PS-- what stock center viscous diffs will fit in that transmission?

Any help would be great. Thanks!
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Old 03-23-2009, 10:54 AM   #2
Tim Sanderson
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I'm pretty sure any 98 or older center diff will work for you. You don't need to split the case to replace the center diff. If you're looking for used contact DS1, a vendor here or you could also try Andrewtech. If you're looking for new then check with an online subie parts dealer.
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Old 03-23-2009, 11:30 AM   #3
Uncle Scotty
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Quote:
Originally Posted by Tim Sanderson View Post
I'm pretty sure any 98 or older center diff will work for you. You don't need to split the case to replace the center diff. If you're looking for used contact DS1, a vendor here or you could also try Andrewtech. If you're looking for new then check with an online subie parts dealer.
and I dont know about the transfer gear ratio, but they MUST match or something else will fail quickly
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Old 03-23-2009, 12:14 PM   #4
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The older cases only came 1:1

I can send you a used center diff for $150

All you have to do is pop the rear cover off the trans and slide the new one in. You don't have to pull the trans.

-Dylan @ DS1
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Old 03-23-2009, 11:58 PM   #5
JamesWilson2
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^^^^ I like the way you think, Dylan! Will be contacting you this week, just got off the road (1400 miles from the great lakes to the Gulf of Mexico....all with a bad center diff and cracked oil pan!!).
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Old 03-24-2009, 02:23 AM   #6
Tim Sanderson
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And the center diff has nothing to do with the transfer gears anyway.
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Old 03-24-2009, 10:36 AM   #7
JamesWilson2
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Transmissions are a mysterious black art to me...I have personally chosen to disregard all potential learned knowledge about them, and bow to those who Know.

PS-- any good links on center diff replacement instructions? Even something I can hand the shop, so they can accurately estimate the labor (and not just R&R entire trans)?

THANKS!
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Old 03-24-2009, 11:16 AM   #8
JamesWilson2
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So a buddy had his replaced, I'm assuming with a new Subaru OEM part, and p & l ended up being $1200 at the dealership...so $550 for the part and the rest labor. That sucks. I need to find a good independent shop that can do it (need the car by April 4-5) for much less than that
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