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09-04-08, 04:28 PM
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#1 (permalink)
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Forum Regular
Join Date: Nov 2007
Location: cranbrook , bc canada
Posts: 84
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marlin crawler axle oil seals
hello out there to everyone , hunting season is almost here and i've put off servicing my front diff long enuff. my question is if i order marlins hd axle seals is it imperative that i still align the knuckles with the sst tool or can i get away with out it  .. i don't have one and do not know anyone around my area that might have one to borrow, did i mention that i am mathematically challenged  ... i did the diff years ago and never did bearing preload or kept track how the shims went or how many etc  , just sorta banged it together and drove it, crappy handling and all  let me know what you all think thanx...
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75 fj40 soa, saginaw power,disk fronts,350 small block,warn 8274,35" mt's, all blown over with some rustoleum 
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09-04-08, 04:47 PM
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#2 (permalink)
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Forum Lifer
Join Date: Apr 2006
Location: Morgan Hill, CA
Posts: 3,250
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I'm not going to answer your question. Someone with more experience that I will chime in.
I have Marlin seals and I put mine together without the alignment tool. Seems fine.
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トヨタさん、ありがとうございました。
My '78 FJ40 - '73 and '78 FJ40 parts FS - WTB:Olive (653) Bib and Windshield frame
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Whiskey makes me wanna fight. Tequila makes me wanna fight things that aren't there.
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09-04-08, 04:50 PM
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#3 (permalink)
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Forum Lifer
Join Date: Jan 2003
Location: San Diego, CA
Posts: 2,758
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I have heard that they have enough play where you don't need the tool, but I am no expert, so hopefully somebody else will chime in here, poser??
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09-04-08, 04:56 PM
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#4 (permalink)
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Forum Regular
Join Date: Nov 2007
Location: cranbrook , bc canada
Posts: 84
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i've read a bunch of old posts and someone stated that one thick shim and one thin on the top and bottom bearings will put me very close , then just set the proper preload hopefully end up with better handling and no more leaky seals thanx guys 
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75 fj40 soa, saginaw power,disk fronts,350 small block,warn 8274,35" mt's, all blown over with some rustoleum 
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09-04-08, 05:18 PM
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#5 (permalink)
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250+ Club
Join Date: Sep 2006
Location: Wetside, Wa
Posts: 590
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I have rebuilt 3- all with Marlins seals, just put the shims back how I found them? Cant speak for the other 2 but my 55 drives like a Cadillac... just much more noisy
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'76 FJ55-ARB's/4x4labs/Longs/60ps/60axles/SOA/H55/Custom Awsome Driver!
Matching FJ55- trailer-being setup for long range travel
'89 FJ62-350/700R4/reversal/longAAL/33's/18"Mojave's/blacked out
'69 FJ40-lots of mods, many more to come
See my Land Cruisers Myspace @ http://www.myspace.com/hicruisefiftyfive
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09-04-08, 05:55 PM
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#6 (permalink)
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250+ Club
Join Date: Jun 2006
Location: W.Suffield Ct
Posts: 559
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2x with Hicruise55, My[Marlin] seals and birfs are great and the cruiser goes down the road straight.put the old shims back as they came out -no problems
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1981 BJ42
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09-04-08, 06:23 PM
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#7 (permalink)
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Forum Regular
Join Date: Nov 2007
Location: cranbrook , bc canada
Posts: 84
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problem is tho i am pretty sure my current shims are not correct anyhow
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75 fj40 soa, saginaw power,disk fronts,350 small block,warn 8274,35" mt's, all blown over with some rustoleum 
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09-04-08, 07:22 PM
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#8 (permalink)
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Forum Lifer
Join Date: Apr 2006
Location: Morgan Hill, CA
Posts: 3,250
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Quote:
Originally Posted by bigneily
problem is tho i am pretty sure my current shims are not correct anyhow 
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With a shim kit and lots of trial and error, you should be able to get it pretty close. That's a lot of nuts, torquings and banging out the cone washers though. It might work out the same by torquing down two nuts on the arms and bottom plates.
Poser is likely the man with the answer. Wait for it.
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トヨタさん、ありがとうございました。
My '78 FJ40 - '73 and '78 FJ40 parts FS - WTB:Olive (653) Bib and Windshield frame
--
Whiskey makes me wanna fight. Tequila makes me wanna fight things that aren't there.
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09-04-08, 07:43 PM
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#9 (permalink)
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Forum Regular
Join Date: Nov 2007
Location: cranbrook , bc canada
Posts: 84
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thanx eddy for the reply i will wait and see what poser says. i think i can get the proper bearing preload ,its just centering the knuckle bearing case so that i'll have no axle oil seal leaks i think will be the tough part without the special service tool (sst) .hoping to get away with it by using marlins hd seals.
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75 fj40 soa, saginaw power,disk fronts,350 small block,warn 8274,35" mt's, all blown over with some rustoleum 
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09-04-08, 09:44 PM
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#10 (permalink)
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250+ Club
Join Date: Feb 2004
Location: Seattle, WA
Posts: 253
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I did it without the SST when I went SOA with mintruck knuckles. I checked the preload and it was within spec.
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-David
'73 FJ-40
2008 5.7L Tundra TRD
Just traded '98 4Runner and 2005 Tacoma TRD Sport in for Tundy
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09-04-08, 10:28 PM
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#11 (permalink)
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250+ Club
Join Date: Jun 2007
Location: South Central Cal.
Posts: 262
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In testing the new seals Marlin demonstrated that the seal is capable of .050 deflection before the oil seal is broken -----------Use equal shims on top and bottom and it will be fine
If you can afford Marlins seals, You can afford a fish scale.
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68 FJ40, 327/NV4500/Orion t-case,soa on 35"bfg at's,arb's F & R, it never ends. <><
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09-05-08, 10:41 AM
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#12 (permalink)
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Site Addict
Join Date: Feb 2004
Location: Cloverdale B.C. Canada
Posts: 2,309
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just ordered my marlin seals two days ago ,i too am doing the minitruck knuckle upgrade and 4x4 labs high steer . I hope my knuckles are close also i have no sst. .see what happens i will keep my fingers crossed. preload is easy.
it's just hoping it is centered on the housing.  will let ya no if mine leak. i ordered 4 seals .2 for spares . it's a hassle getting these things sent to Canada.
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Jake S.
FJ40,small block ,sm465 ,spring over ,cut-N-turn,shackle reversal, 38.5 superswampers, 4 wheel disc brakes, OBA=CO2 ,Warn 8274 ,4x4 labs high steer,Marlin chromo birfs , Metaltech Jackson cage
 ... ROTW:PBGBOTTLE
....  ... Cardomain Pics
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09-05-08, 05:24 PM
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#13 (permalink)
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250+ Club
Join Date: Jun 2003
Location: Lancaster, PA
Posts: 439
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My theory is that it is fine to put them back as you found them if you are just rebuilding the knuckle. Minus the SST, you can still check the preload and make minor adjustments.
When you are swapping on different knuckles (IE Minitruck), then I think it is more important. The one side on mine was crazy! 0.025" on the top and 0.060" on the bottom.
Andy Zooks Home Page - Life, Toyota 4x4s and more - Using the Toyota front axle SST
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09-05-08, 08:00 PM
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#14 (permalink)
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Forum Regular
Join Date: Nov 2007
Location: cranbrook , bc canada
Posts: 84
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well ordered the marlin seals today anyhow  gonna just wing it with equal shims top and bottom with proper preload specs  and hopefullt it will all jive  .... thanx to all for there replys
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75 fj40 soa, saginaw power,disk fronts,350 small block,warn 8274,35" mt's, all blown over with some rustoleum 
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09-05-08, 08:20 PM
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#15 (permalink)
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250+ Club
Join Date: Jun 2008
Location: San Diego, Pacific Beach
Posts: 297
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Hey, when you guys say rebuild the knuckles does that mean replacing the knuckle bearings and races too? or just all the seals?
I'm going to need to replace my axle seals soon, and if I can put in new bearings too, without any SST, that would be good.
Also, has anyone disassembled the knuckles from the back (that is just pulling the knuckle bearings) without breaking down the brakes and wheel bearing portion of the knuckle?
Thanks,
B.
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9/'72 FJ40. Chevy 327 with Holley Fuel Injection, Stock Drivetrain, Warn 8074, Shackle Reversal, Saginaw PS, Aux fuel tank, and 33's.
Some of my pics... http://www.flickr.com/photos/11281533@N04/
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09-05-08, 08:35 PM
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#16 (permalink)
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Forum Lifer
Join Date: Jan 2003
Location: Mixco, Guatemala/Cranbrook & Vancouver, B.C., Canada
Posts: 8,383
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Quote:
Originally Posted by bigneily
i don't have one and do not know anyone around my area that might have one to borrow, did i mention that i am mathematically challenged  ...
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If I was home you could borrow mine!! I won't be home till next June though!!
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'82 BJ60 H55 tranny, AXT turbo 3B diesel, high nickel alloy head, A/C, BDS lift, factory PTO, Aussie rear locker, OEM LSD front, 4:11's, 32's, PERFECT frame!
'76 FJ55, 3B turbo, alloy head, H41 tranny, 3 sp. transfer, 33's, A/C, PTO winch, long range tank!
'67 FJ45LV shop project c/w 3B turbo diesel transplant & H41 4 speed, 3 speed transfer, PTO!
www.wirrell.com
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09-05-08, 08:52 PM
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#17 (permalink)
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Forum Regular
Join Date: Nov 2007
Location: cranbrook , bc canada
Posts: 84
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Quote:
Originally Posted by cruiser_guy
If I was home you could borrow mine!! I won't be home till next June though!!
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that is too bad nice to know their is a fellow cruiser enthusiast here anyhow.. be sure and look me up when you get back home anyway
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75 fj40 soa, saginaw power,disk fronts,350 small block,warn 8274,35" mt's, all blown over with some rustoleum 
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09-05-08, 09:30 PM
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#18 (permalink)
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250+ Club
Join Date: Jul 2005
Location: Wellington, NZ
Posts: 799
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Quote:
Originally Posted by BrianSanDiego
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Also, has anyone disassembled the knuckles from the back (that is just pulling the knuckle bearings) without breaking down the brakes and wheel bearing portion of the knuckle?
Thanks,
B.
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I always do it this way - less mess and much quicker
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09-06-08, 07:13 AM
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#19 (permalink)
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250+ Club
Join Date: Feb 2006
Location: Redding, CA
Posts: 550
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Quote:
Originally Posted by caz
My theory is that it is fine to put them back as you found them if you are just rebuilding the knuckle. Minus the SST, you can still check the preload and make minor adjustments.
When you are swapping on different knuckles (IE Minitruck), then I think it is more important. The one side on mine was crazy! 0.025" on the top and 0.060" on the bottom.
Andy Zooks Home Page - Life, Toyota 4x4s and more - Using the Toyota front axle SST
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X2 what he said. I did mine and no problemo.
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1971 Freeborn Red FJ40 (sold) 1978 Mustard FJ40
2001 Silver Tundra 4WD
1963 SilverStreak
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