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Drivetrain Encompasses driveline components such as the torque converter, clutch, transmission, shifter, front and center differentials, driveshaft, rear differential, and axles.

sti rear diff fluid

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Old Aug 10, 2007 | 12:25 PM
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b3atbxr's Avatar
b3atbxr
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Joined: Jul 2006
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From: Michigan
Car Info: 2002 WRX SEDAN
sti rear diff fluid
what fluid is best for the sti's rear diff? i was going to put 75w90 mobil 1 in it but i dont know much of the internal clutches w/ that diff and if it needs friction.
thanks
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Old Aug 10, 2007 | 02:49 PM
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whtwrx1991
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From: Indy
Car Info: 2005 STI
I know this is an ongoing opinion issue, but I wouldn't use Syn. in the rear diff. I would use regular 75w90 gear oil. Just my two cents. I figure what came from the manufacture can't be a bad idea.
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Old Aug 11, 2007 | 01:33 PM
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FW Motorsports's Avatar
FW Motorsports
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From: Participating in some Anarchy!
Car Info: 2005 LGT wagon
Subaru LSD Oil, p/n K0305Y0900
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Old Aug 17, 2007 | 04:20 PM
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b3atbxr
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From: Michigan
Car Info: 2002 WRX SEDAN
is the sti rear diff lsd?
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Old Aug 29, 2007 | 09:22 AM
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b3atbxr
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From: Michigan
Car Info: 2002 WRX SEDAN
do the front and center differentials in the sti 6spd get lubed by the gear oil from the trans or are they seperate?
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Old Aug 29, 2007 | 02:29 PM
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pj21086
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From: Modesto/Sacramento
Car Info: 07' AW 335i & 05' WD Escalade
yes, it uses the same oil.

75w-90 for the tranny and Subaru LSD Oil for the rear diff
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Old Sep 6, 2007 | 08:14 AM
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LunarHonour
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Posts: 352
From: California, Monterey
Car Info: STI 2006 White Stage 666
How many cans of K0305Y0900 does it take to fill the whole thing?
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