08-20-2023, 06:51 PM
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#571
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Are the axles supposed to be bone dry all the time? I replaced both my seals a while ago (did the whole spacer flip and whatnot), and when I did my locker yesterday both my axles were wet all the way to the ABS ring. They both had an even amount and for what it's worth it hasn't seeped to the outside yet. Did the seals fail?
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08-21-2023, 11:26 AM
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#572
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Senior Member
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Join Date: Feb 2019
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Quote:
Originally Posted by Devbot
Are the axles supposed to be bone dry all the time? I replaced both my seals a while ago (did the whole spacer flip and whatnot), and when I did my locker yesterday both my axles were wet all the way to the ABS ring. They both had an even amount and for what it's worth it hasn't seeped to the outside yet. Did the seals fail?
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If your ABS ring has gear oil on it then your inner axle seal isn't doing it's job correctly
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08-21-2023, 01:35 PM
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#573
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Location: Littleton, CO
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Quote:
Originally Posted by Devbot
Are the axles supposed to be bone dry all the time? I replaced both my seals a while ago (did the whole spacer flip and whatnot), and when I did my locker yesterday both my axles were wet all the way to the ABS ring. They both had an even amount and for what it's worth it hasn't seeped to the outside yet. Did the seals fail?
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Sounds like they failed. Have you done the breather extension mod yet?
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08-21-2023, 03:36 PM
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#574
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Anything outboard of seal is leaking or seeping.
Being a recent seal job some seeping is what it sounds like, I'd bet seals were put in a tad cockeyed
to the axle. Takes a bit of time for the odd wear on seal to start seeping. $.02
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08-21-2023, 05:18 PM
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#575
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Quote:
Originally Posted by 96RedRunner
Anything outboard of seal is leaking or seeping.
Being a recent seal job some seeping is what it sounds like, I'd bet seals were put in a tad cockeyed
to the axle. Takes a bit of time for the odd wear on seal to start seeping. $.02
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Quote:
Originally Posted by Bad Luck
If your ABS ring has gear oil on it then your inner axle seal isn't doing it's job correctly
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Hmm, I'll have to dig into it this weekend and do a sharpie test to see how they're riding. What's strange is they were leaking out of the outer seal last time but this time my drums are totally dry, even though I didn't replace that seal
Really wish I would've done a sharpie test while I had the axles out but I was too excited to finally have a locker and didn't think about it until the next day
Quote:
Originally Posted by Rushthezeppelin
Sounds like they failed. Have you done the breather extension mod yet?
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Yep did it like two or three years ago
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Last edited by Devbot; 08-21-2023 at 07:52 PM.
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08-22-2023, 10:53 AM
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#576
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Senior Member
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Quote:
Originally Posted by Devbot
Hmm, I'll have to dig into it this weekend and do a sharpie test to see how they're riding. What's strange is they were leaking out of the outer seal last time but this time my drums are totally dry, even though I didn't replace that seal
Really wish I would've done a sharpie test while I had the axles out but I was too excited to finally have a locker and didn't think about it until the next day
Yep did it like two or three years ago
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You did drain the differential before pulling the axle shafts, right? If you didn't then I could see that being the issue.
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08-22-2023, 07:57 PM
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#577
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Quote:
Originally Posted by Bad Luck
You did drain the differential before pulling the axle shafts, right? If you didn't then I could see that being the issue.
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You bet your ass I didn't! Oil's too expensive right now to be throwing it out all willy nilly like that!
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08-22-2023, 08:09 PM
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#578
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Quote:
Originally Posted by Devbot
You bet your ass I didn't! Oil's too expensive right now to be throwing it out all willy nilly like that!
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That might explain it then. If you don't jack up just the side of the axle you are taking out then the oil level might be high enough to spill over the seal a tad bit. Did you clean up the axles before you put them back in? If so then you can just check through the ABS sensor hole sometime down the line to see if the gear is wet again.
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08-23-2023, 02:27 PM
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#579
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Quote:
Originally Posted by Devbot
You bet your ass I didn't! Oil's too expensive right now to be throwing it out all willy nilly like that!
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That's probably your issue then. I'm assuming you pulled both axle shafts so the fluid level would have been high enough to make it past the inner axle seal with the axle shaft being out or even just pulled back. I use a clean container to catch fluids that are still good for reuse.
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08-23-2023, 06:52 PM
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#580
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When did you notice the wet ABS ring? As you were pulling axle from tube the first time for this job?
If so, seals are seeping. Tone ring is free and clear of axle housing before lube has chance to get it wet.
Did you pull axles all the way out an store them standing upright on studs while installing locker?
Now that would give you lube on the tone ring.
I've pulled axles on a full diff you can pull it, turn, stand on studs out of the way, be back in time to stuff
a rag in tube with little loss.
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02-28-2024, 03:11 PM
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#581
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Join Date: Jul 2012
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Age: 49
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Real Name: Hoodlm
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Finding the Bearings
The correct bearings seem to be a bit hard to find in the US. On Ebay it seems they ship from Latvia, UAE or somewhere else. I found this site that has the bearings. They are the Koyo bearings. I haven't received them yet, so I haven't installed them. We'll see how they do. Should be good to go, though. KOYO Rear Wheel Bearings For Toyota 4Runner Pickup T100 Tacoma (Made in Japan) - Rodavictoria USA
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02-28-2024, 08:37 PM
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#582
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Just a PSA, NAPA carriers the OE koyo rear wheel bearings for around $55 a piece with retainers. They are under an ATM part number, but are in fact koyo bearings.
Sent from my Pixel 7 Pro using Tapatalk
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06-06-2024, 02:31 AM
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#583
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Junior Member
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coupla questions
Hi All-
Just picked up a 99 SR5 w 95k miles and oily brake drums. I've read this entire thread and there is some fantastic information. However there are a couple things that I'd like to throw out to the brain trust.
1.) I have a low mileage rig that has been in snow for 25 winters. Rust has developed on the undercarriage, from light to moderate. It caked the diff breather and caused the leaks. I'll order the replacement breather, but is there any hope that with the pressure relieved via a new breather than the seals that once leaked will no longer because the pressure is significantly less? I mean the seal is really just rubber held with a spring, right? Tho mine is 25 years old rubber that has allowed some oil past at this point. But curious if there's any chance of getting that lucky. the orignal p/n does appear to be available still.
2.) the new "00006" seal from Toyota is wider and risks riding onto the bevel and therefore allowing oil past. Is there any reason why you couldn't replace the seal with the original p/n "00001" to avoid this? It doesn't seem that the part was superseded to resolve any major issues, and in fact it may cause new ones if the race isn't installed further inboard to accommodate.
Both these questions assume I'd want to not pull the axle and replace the bearings, which is basically true. I see the value but if I can buy time for $20, Ima doing that. Any input welcome.
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06-06-2024, 01:48 PM
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#584
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Elite Member
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Quote:
Originally Posted by CantComplain
Both these questions assume I'd want to not pull the axle and replace the bearings, which is basically true. I see the value but if I can buy time for $20, Ima doing that. Any input welcome.
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If oil got out to the drums, it went through the bearing, so the bearing has been washed (and will wear out faster, or already has worn out). Even if you weren't changing the seal/bearings/retainers, you'd want to drain out the area where the ABS ring rides so that oil doesn't stay built-up there, which requires at least cracking the axles/hubs off the housing.
I guess I'm trying to say, don't be lazy - do the job right and it'll last another 20 years...
-Charlie
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06-06-2024, 09:18 PM
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#585
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Quote:
Originally Posted by CantComplain
Hi All-
Just picked up a 99 SR5 w 95k miles and oily brake drums. I see the value but if I can buy time for $20, Ima doing that. Any input welcome.
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Page SA-81 of FSM, perform CHECK BEARING BACKLASH AND AXLE SHAFT DEVIATION test.
Will tell condition of bearings, if bearing spins freely by hand most all grease has been washed.
To buy some time you could.
Remove the side shield of bearing you have access to, pack bearing with grease reinstall side shield.
Takes some finesse with side shield but can be done, have done this a few times over the years.
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