2012 Jeep Liberty Sport

Going to be changing the gear oil soon in the front and the rear. Are either of these differentials limited-slip or non-limited-slip?

If they are non-limited-slip, can limited-slip oil be used?

Both front and rear are open diffs. As for gear oil, not sure. But I think I've seen Troy or Tom mention using conventional Dino oil over synthetic.

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2011 Deep Cherry Red KK - Skyslider - JBA/Bilstein Adjust-A-Strut set at 3.5" - OME 731 Rear Springs - Bilstein Rear Shocks - Al's A-arms - 245/75-16 Duratracs - Rock Liazard Super Sliders

Yep regular old Dino oil in all of mine

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2002 KJ Limited 3.7, 5.25" lift via coilovers, custom HD rear springs, 32.2" tires on moabs (soon 33s) 4.56/JBA diff, OX lockers front/rear, NP241OR, Parker Fab front/rear bumpers, rock rails and roof rack, Viair OBA.

2006 KJ sport 3.7, 4" Ironman lift, 32" tires, Parker Fab front/rear bumpers and rock rails.

Thanks. Can limited-slip oil be used with open differentials?

LSD requires and additive on top of the normal oil. Open diffs don't need it and don't really see a benefit to it.

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Custom Bumper & Rock Rails-JBA 4.5" Lift-Custom 4.5" HD Springs-16x8 M13 Rims-265/75 Pro Comp MT2s-Yukon 4.56s-Front DTT-Rear OX Air Locker

The front differential requires a hex socket to remove the drain plug and a square socket to remove the fill plug. Does anyonne know what size hex & square sockets are needed?

Square is a 1/2"...just use a ratchet with a 1/2" drive and exextension and you'll be fine. Can't recall specific size for allen key though.

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Custom Bumper & Rock Rails-JBA 4.5" Lift-Custom 4.5" HD Springs-16x8 M13 Rims-265/75 Pro Comp MT2s-Yukon 4.56s-Front DTT-Rear OX Air Locker