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Discussion Starter · #1 ·
My birfs are leaking grease. Not too bad, but it has accumulated enough to where the u-bolts are completely covered. I was told this happens when the inner seals go bad? What will happen if this is let go for too long? It's not actually my truck, but one I quite possibly may be buying, and wanted to use it as a bargaining tool and also good to know. What all do I need to replace this (as far as parts are concerned), just inner seals? Thx in advance. BTW, the truck is an '85 pickup with 150k on it.
 

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It's not your birfield leaking, but nevertheless I know what you're talking about.

Get the all-pro knuckle rebuild kit and a factory manual. Rebuild your knuckles and replace w/ all new gaskets. BTW, use your existing shims instead of all-pro's.

If you wait too long, you'll have to replace the wheel bearings too. Also, if you wait too long, check the fluid level in the front third member.
 

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if it's the grease that's leaking then it's the felt seal, if the inner seal was leaking you would have gear oil dripping from the knuckle and splattered on the tire. IF you want to use it as a bargining tool then go ask a shop what they'd charge (way too much <IMG SRC="smilies/smile.gif" border="0"> ) then tell the guy. Then do it yourself. It's not a real huge prob anyway.
 

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replace the seals (felt seals) and the inner axel seals, about 4 hours each side depending on how well you tool. and they sell a kit at toyota. minus new bearings for around $28 a side with the inner axel seal. i just did mine about 2 months ago and still no drops of grease! <IMG SRC="smilies/biggrin.gif" border="0">
 

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Uhhhh.....4 hours a side??? <IMG SRC="smilies/eek.gif" border="0">
Maybe if you're gonna clean all the parts and repack bearings.
Really man, that's a cinch...And a shop (around here) will charge about $400.
 

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Just for the record, the axle rebuild kits are about haft the price if you get them from Allpro or AOR instead your local toyota dealer.

Allpro and AOR are are both between $115 and $120 for the whole knuckle rebuild kit. If you go to NAPA and get just the knuckle bearings, they are $28 each.
 

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Originally posted by rock toy 4 me:
[QBAllpro and AOR are are both between $115 and $120 for the whole knuckle rebuild kit. If you go to NAPA and get just the knuckle bearings, they are $28 each.[/QB]
I've seen the AllPro kits, and compared them to OEM parts. Frankly, I wasn't impressed. Not saying you have to go to Toyota for the bearings, but definitely I'd get the seal kit from the dealer.

Something I just did to mine when I was swapping my axle housing last month... the spheres at the ends of the housing were really pitted on the outside. I figured they would chew up the felts. So I cleaned them really well with laquer thinner, then mixed up some good 'ol JB Weld and smeared it on, gradually smoothing it off as it hardened. Let this dry for a couple of days, then used a file to get it smoother, final sanding with some 400 grit emory paper. Smooth as a cue ball now!
 

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Originally posted by KLF:
<STRONG>I've seen the AllPro kits, and compared them to OEM parts. Frankly, I wasn't impressed. Not saying you have to go to Toyota for the bearings, but definitely I'd get the seal kit from the dealer.
</STRONG>
Well I have compared them both and saw no difference, The axle seal, wheel bearing seal and the trunion bearings are the same ones you get from Toyota. I have personally used the AP kits on three different axles and have not had a problem with any of them!!!! <IMG SRC="smilies/usa.gif" border="0"> <IMG SRC="smilies/usa.gif" border="0"> <IMG SRC="smilies/usa.gif" border="0">
 

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Originally posted by 89YotaRunner:
<STRONG>I thought Allpro's kit was OEM stuff????</STRONG>
Not the one I saw. Can't remember the brand, but it was some aftermarket kit, all in one box. It was about 6 months old, maybe they've changed? hmmm.... <IMG SRC="smilies/confused.gif" border="0">
 

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Discussion Starter · #12 ·
I don't think any oil is leaking, just grease. I'll call All Pro tommorrow and talk to them a little. If this axle has been leaking for a while like this, what could this mean about the wheel bearings and such that now have 'less grease?' It appears to have been leaking for a while, and I want to know what to expect.
 

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Discussion Starter · #13 ·
Also, if I am already in there replacing the felts, I might as well replace the axle seals at the same time, right? I was also thinking of just swapping to a D44, before I put gears and locker into this thing.....
 

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I just finished this job on my 85 4Runner. It probably took about 10 hours total. However, I installed a new front diff while it was apart and cleaned everything thoroughly. That took more time than anything due to the accumulation of crud. The parts (knuckle rebuild kit) cost $97 from Randy's Ring and Pinion. I also bought split ring pliers, two brass drifts, and a hub socket (2 1/8" - Sears one cost $30 with a 3/4 to 1/2 drive adapter). You'll need about 4 tubes of grease and LOTS OF RAGS.

I would guess that paying someone else to do this would cost between $400 and $500 (parts and labor). It isn't hard, just very time consuming.

If you are looking at a truck that needs it and you aren't planning on any front diff work, I'd factor this into the cost. If you have to take it apart to install a locker or gears in the front, you'll have all this apart anyway and can rebuild it then.

FYI,

Allan
 

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Originally posted by crawlytoy:
<STRONG>thinking of just swapping to a D44, before I put gears and locker into this thing.....</STRONG>
<IMG SRC="smilies/wink.gif" border="0"> <IMG SRC="smilies/wink.gif" border="0"> <IMG SRC="smilies/wink.gif" border="0"> <IMG SRC="smilies/wink.gif" border="0"> <IMG SRC="smilies/wink.gif" border="0"> <IMG SRC="smilies/wink.gif" border="0"> <IMG SRC="smilies/wink.gif" border="0"> <IMG SRC="smilies/wink.gif" border="0">
 

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Just do a 44...I would If I did it alll over again.

BTW, it's 2 3/32" socket for yota front whealbearing nuts!!! And buy a good one while yer at it, not one of those $15 muffler tubing POS that most places try to sell ya...drop it once or step on it and it's done. Think I got my socket at Car Quest auto parts.

Do the 44 dude!
 

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Discussion Starter · #17 ·
who's done a 44? How much $$? What year? I'll do a search in a second..... <IMG SRC="smilies/blush2.gif" border="0"> <IMG SRC="smilies/biggrin.gif" border="0">
 

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If you want to do it right! You'll replace all the inner&outer sills&felt! Iwould go ahead and replace the trinion bearings at the same time.You could get at a dealer,but Iwould call and talk to Warren at NWOR! The owner has been dealing with toys for about 45yrs!I know alot of guys don't like'em but John knows more then any one.If most guys only knew and seen what he has build and has in his back shop!The # is 1-360-676-1200 make sure you ask for Warren! I think I did both sides with seals,felts,trinion bearings,inner&outer wheelbearings for about $200-250.Do it right the 1st time and you should be good for 20-30 thousand miles!
 

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Discussion Starter · #19 ·
Originally posted by matchbox:
<STRONG>Do it right the 1st time and you should be good for 20-30 thousand miles!</STRONG>
That's it!? That doesn't seem that long to me <IMG SRC="smilies/confused.gif" border="0">
 

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I would expect more like 60,000 miles between front knuckle services. That is what I got out of my 83 Toyota 4x4.

Also, a 2 1/8" socket works fine (do a search) and do a search on NWOR on this board (or any other Toyota board) before giving them any money.

Allan
 
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