giiyanman Posted March 16, 2020 Share Posted March 16, 2020 Browsing over the internet today and saw some threads from other sites saying 3rd Gen Legacys have center diff issues as mileage accrues. However I'm having trouble finding out more information about this center diff issue. What happens, and what symptoms do I have to look out for? Link to comment Share on other sites More sharing options...
xrayspecs Posted March 16, 2020 Share Posted March 16, 2020 So I know this one, I had it happen to me 5spd with ~190K on it and the center diff spit the snap ring out. This and the carrier barrings for the center diff can go out as well. not sure on the autos, someone versed in those would have to add there input. several threads on those topics here. https://legacygt.com/forums/showthread.php/center-differential-fail-199078.html https://legacygt.com/forums/showthread.php/legacy-2-5gt-center-differential-bearing-swap-204445.html Link to comment Share on other sites More sharing options...
giiyanman Posted March 17, 2020 Author Share Posted March 17, 2020 So I know this one, I had it happen to me 5spd with ~190K on it and the center diff spit the snap ring out. This and the carrier barrings for the center diff can go out as well. not sure on the autos, someone versed in those would have to add there input. several threads on those topics here. https://legacygt.com/forums/showthread.php/center-differential-fail-199078.html https://legacygt.com/forums/showthread.php/legacy-2-5gt-center-differential-bearing-swap-204445.html Thank you for the information! You're right in that all cases presented here are manual trans cars. Another symptom is binding, which is not happening to me yet. So my center diff should still be fine. However if there's one thing I notice in my trans lately is that it's become laggy. Are you supposed to change transmission fluid? It's not like engine oil that needs periodic changing right? Link to comment Share on other sites More sharing options...
RumbleRumble Posted March 18, 2020 Share Posted March 18, 2020 4at trans blow the center diff bearing all the time. 5MT are a bit more robust. The gear oil should be changed every 30k and with conventional or Semi-synthetic. using a full synthetic fluid will wear our the syncros and cause grinding when fast shifting. The box was designed for normal fluid. If you need to replace the center diff it's actually pretty easy Link to comment Share on other sites More sharing options...
xrayspecs Posted March 18, 2020 Share Posted March 18, 2020 having taken the "center section" off the rear of a 5spd it is pretty easy to get that apart and back together if you were to replace the center diff bearings. I opted to replace my whole trans as i was finding bits of broken C clip in everywhere after it chunked the bearings and gear in the center diff. Link to comment Share on other sites More sharing options...
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