Rear third, replace seals?

crolison · 10-30-2007, 07:00 AM

Hello,

I am going to be putting in a locker in a few weeks, me and my friend will be pulling the third and taking it to be professional set up. I was wondering do we need to replace the axle seals after we pull out the axles a bit? If so which seals would we need to replace the inner or the outer?

Thanks,
Chris

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GSGALLANT · 10-30-2007, 07:49 AM

Inner seals are what you should be concerned with the most. They are cheap and easy to replace once the axles are out, so I would replace them (If you decide not to replace them, don't let the axles rest on the seals that are currently installed when you pull the axles out a bit. This will deform the seal. Pull the axles out completely until the third is re-installed).

Take a look at the outer seals to ensure they look good (what you can see of them, anyways.) You would have to press off the bearings to replace the outers, and the critical ones are the inners to keep the diff fluid from leaking out.

tc · 10-30-2007, 12:35 PM

Quote:

Originally Posted by GSGALLANT

don't let the axles rest on the seals that are currently installed when you pull the axles out a bit. This will deform the seal. Pull the axles out completely until the third is re-installed).

x2 and learned the hard way

crolison · 10-31-2007, 06:39 AM

thanks guys. i am going to order some inner seals from the stealership and pick them up on the way out of town.

10-30-2007, 07:49 AM	#2 (permalink)
GSGALLANT Registered User Join Date: Mar 2005 Location: New Brunswick, Canada Posts: 1,753	Inner seals are what you should be concerned with the most. They are cheap and easy to replace once the axles are out, so I would replace them (If you decide not to replace them, don't let the axles rest on the seals that are currently installed when you pull the axles out a bit. This will deform the seal. Pull the axles out completely until the third is re-installed). Take a look at the outer seals to ensure they look good (what you can see of them, anyways.) You would have to press off the bearings to replace the outers, and the critical ones are the inners to keep the diff fluid from leaking out. __________________ 2002 4Runner, Auto-A340F, 3.4L, 4.30 Gears TJM T15 Front Bumper & Warn M8000, 4xInnovation sliders, Sonoran Steel 1.2 Lift, Toytec LCA Skids, Tundra Brake Upgrade (231mm), Extended rear diff breather, Deckplate Mod, Andymod, Dual batt setup with Optima blue top aux battery, Hardwired 1000W inverter, Aux fuse box, Full time power to 12V plugs, Yaesu FT7800R Radio, "4-air" system for airing up/down tires. 2004 Camry LE - stock (and will stay that way) 1993 4Runner has been sold

10-31-2007, 06:39 AM	#4 (permalink)
crolison Registered User Join Date: Mar 2007 Location: knoxville, tn Posts: 2,257	thanks guys. i am going to order some inner seals from the stealership and pick them up on the way out of town. __________________ 97 4runner, 2.7 5speed 4wd, 5.29, 33 horns armor locked lifted heavy SOB broken front and rear swaybars My Profile..

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