Author Topic: aussie locker up front  (Read 3416 times)

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RN37DD

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aussie locker up front
« on: Nov 05, 2008, 02:38:24 PM »
i have to regear my front diff to 4.56 to match the rear in my 79 pickup. I've got a 3rd off an 88  rear axle that i plan to use. it's go over 200k on it and the spiders are shot. should i just throw them away and install an aussie locker ?

jimbo74

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Re: aussie locker up front
« Reply #1 on: Nov 05, 2008, 02:40:21 PM »
do it!

aussies up front are tits
:usa:

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RN37DD [OP]

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Re: aussie locker up front
« Reply #2 on: Nov 05, 2008, 05:02:11 PM »
OK .  I'll post a few pic's as the parts come in. with any luck i won't screw it up. i may need some advice setting up the R&P too.

RN37DD [OP]

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Re: aussie locker up front
« Reply #3 on: Nov 19, 2008, 12:46:54 PM »
OK got a few parts in.. now i just got to figure out what to do with them. first problem might be figuring out how to set up the pinion depth.

Dingman.

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Re: aussie locker up front
« Reply #4 on: Nov 19, 2008, 01:03:55 PM »
Check out http://gearinstalls.com/

Zuk's the man!!! 

Wermz84

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Re: aussie locker up front
« Reply #5 on: Nov 19, 2008, 03:36:39 PM »
:drool:  Mmmm sexy looking parts.  :thumbs:
I like to Drive!

RN37DD [OP]

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Re: aussie locker up front
« Reply #6 on: Nov 20, 2008, 10:01:18 AM »
yeah, thanks, I'll look into whats in gearinstalls. already have something that's a little strange. side bearings came off too easy i think. put a wrench on a puller and it slid right off by hand after one little twist. with the new bearing i can push it on tight by hand with just a little turn. it's not loose but i can seat it without a driver. should i just keep going and not worry?

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Re: aussie locker up front
« Reply #7 on: Nov 20, 2008, 03:39:49 PM »
yeah, thanks, I'll look into whats in gearinstalls. already have something that's a little strange. side bearings came off too easy i think. put a wrench on a puller and it slid right off by hand after one little twist. with the new bearing i can push it on tight by hand with just a little turn. it's not loose but i can seat it without a driver. should i just keep going and not worry?
Typical for toys.  Not supposed to be loose.    Gearinstall page list a bearing sealer (don't quote me) that's like locktite made for this stuff.  Otherwise, new carrier. 


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RN37DD [OP]

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Re: aussie locker up front
« Reply #8 on: Nov 25, 2008, 08:37:43 AM »
yeah i think your right,  i saw that install also. think it was called high strength sleeve retainer from loctite. I'll try to find some and use it. I'm waiting for a new cross shaft form Toyota before i can do anymore.
« Last Edit: Nov 26, 2008, 08:47:13 AM by rn37dd »

RN37DD [OP]

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Re: aussie locker up front
« Reply #9 on: Nov 26, 2008, 08:54:14 AM »
it's grooved .005 right where it well come in contact with the locker. clearance is good @ .010. new shaft is only $21.00. so for peace of mind I'll replace it.
« Last Edit: Nov 26, 2008, 12:49:27 PM by rn37dd »

dirtchicken

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Re: aussie locker up front
« Reply #10 on: Nov 27, 2008, 02:55:44 AM »
I've heard from Gearman on Pirate that you should not use the green sleeve retainer. Here's a link to the thread.
http://pirate4x4.com/forum/showthread.php?t=727659&page=2&highlight=sleeve+retainer

RN37DD [OP]

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Re: aussie locker up front
« Reply #11 on: Nov 30, 2008, 10:22:16 AM »
thanks.. I'll look into it, i'm not going to freak out too much because it's in the front. i couldn't find any spec's on the carrier bearing surface od. but i compared it to an old rusted carrier i had laying around and it looks like less than .001 wear. i could use the old carrier, but it came out of a really old diff and looks lighter and weaker than the newer one.

RN37DD [OP]

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Re: aussie locker up front
« Reply #12 on: Dec 11, 2008, 09:06:18 AM »
checked with Toyota $350.00 for a new carrier. so i found a 86 or newer 3rd in a scrap pile and removed the carrier. cleaned it up and removed the old bearings. bearing surface looked good. new bearings pressed on tight.

4RunnerChevy

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Re: aussie locker up front
« Reply #13 on: Dec 13, 2008, 10:12:53 AM »
yeah, thanks, I'll look into whats in gearinstalls. already have something that's a little strange. side bearings came off too easy i think. put a wrench on a puller and it slid right off by hand after one little twist. with the new bearing i can push it on tight by hand with just a little turn. it's not loose but i can seat it without a driver. should i just keep going and not worry?
OK got a few parts in.. now i just got to figure out what to do with them. first problem might be figuring out how to set up the pinion depth.

Its a good idea  to make yourself a set-up bearing, saves alot of hassle when setting pinion depth.  Set-up bearing is a bearing with the I.D. opened up so it slides on the pinion.  This allows you to change shims easily, instead of pulling the bearing every time which possibly can damage them.  Just buy an extra timkin and open it up with a barrel sander till it slides onto the pinion.  After your depth is good then press the un-opened up bearing onto the pinion with the shims.

As far as cross-shaft, keep one in your spare parts, when using a lunch-box locker.  I have seen several break.

RN37DD [OP]

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Re: aussie locker up front
« Reply #14 on: Dec 14, 2008, 05:13:23 AM »
thanks I'll look into finding a pinion bearing for a tool. the old pinion shim i removed from this unit was a .086. i was going to make a tool out of an old koyo pinion bearing from a 79-81 but it only has 12 rollers and the new one has 14.

4RunnerChevy

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Re: aussie locker up front
« Reply #15 on: Dec 14, 2008, 07:31:10 AM »
Typically the bearing will still be exactly then same, minus the rollers.  The dimensions are standard between manufacturers.  For added insurance, get the one thats the same.   good luck !

RN37DD [OP]

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Re: aussie locker up front
« Reply #16 on: Dec 19, 2008, 09:46:03 AM »
i checked and the old bearing was the same height as the new, so i honed it out so it would slide on and off the pinion shaft.  run out less than .002,  set the back lash at .006 and checked the pattern.. battery died in my camera before i could take a shot of the other side of the ring gear. got to look at the book before i decide to change a shim or leave it alone. i think on the front diff the coast side is the most important.. what do you all think?

RN37DD [OP]

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Re: aussie locker up front
« Reply #17 on: Dec 19, 2008, 04:36:23 PM »
OK here's the other side. looks like the pinion is too close...  :headscratch:  maybe.. .084 or .086 shim in now. could change it with the spare .077 shim i also have.

RN37DD [OP]

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Re: aussie locker up front
« Reply #18 on: Dec 24, 2008, 05:33:39 AM »
remove -084 shim and installed .077 shim. better i think. coast side.. this well be driving the front axle. looks like it should work to me. what do you think?

yarosig

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Re: aussie locker up front
« Reply #19 on: Dec 24, 2008, 07:06:06 PM »
You do know that your rear end on your 79 is a 4.36 ratio, not a 4.56.

RN37DD [OP]

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Re: aussie locker up front
« Reply #20 on: Dec 28, 2008, 10:22:16 AM »
yes.. when it was new in 1979. but it was changed to 4.11 by someone before i got it. i just put in an axle from a 92 truck that had an auto and 4.56 gearing. so now I'm changing the front.
You do know that your rear end on your 79 is a 4.36 ratio, not a 4.56.


RN37DD [OP]

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Re: aussie locker up front
« Reply #21 on: Feb 05, 2009, 08:58:28 AM »
OK i finally got back to it. putting the Toyota solid spacer in was kind of a pain. bad times hit the business i was working at, so i had to find another press. i lost the old crush sleeve, so i couldn't measure it. instead i installed the solid spacer with to many shims and measured the end play. the removed .004 past zero preload and checked. to light, so i pulled it apart again, ended up with .007 past zero preload to give it the right pinion bearing preload.   

RN37DD [OP]

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Re: aussie locker up front
« Reply #22 on: Feb 05, 2009, 09:03:23 AM »
all done. next step.. find time to install.

94MtnYote

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Re: aussie locker up front
« Reply #23 on: Feb 05, 2009, 11:47:12 AM »
 Yeah I was on my way to Paul's and drove by where you used to work a while ago, the whole lot was empty. I was like damn...
22RE .30 over, mild cam, K&N, LCE header, 2.25'' pipe, high flow cat, Magnaflow.
 Marlin 1200LB clutch

 no substitute for 4wheel drive.

RN37DD [OP]

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Re: aussie locker up front
« Reply #24 on: Feb 05, 2009, 05:04:41 PM »
yeah that place is done and I'll looking for another place to wrench. I'm in the middle of a move, then I'll install this front diff. can't wait to see if it improves the 4x4 on the muddy logging roads around here.

RN37DD [OP]

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Re: aussie locker up front
« Reply #25 on: Oct 05, 2009, 02:15:41 PM »
OK been working and to much work!  :screwy: Finally found time to work on truck, been driving it every day. drained the old 3rd and then removed axles. the seal was out on one side and tried to pour 80/90 on the ground!!! removed old and installed 4.56 aussie 3rd member.  :thumbs:  Filled with lube, greased, assembled and tested.
« Last Edit: Oct 05, 2009, 08:48:45 PM by rn37dd »

Mario

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Re: aussie locker up front
« Reply #26 on: Dec 01, 2009, 09:39:42 PM »
 8)I am running aussie's in the front of my 84 pu 4 years now, I'm happy with them. :biggthumpup:
1984 Toyota Pickup, EFI with duel cases, 5.29's in the diffs, 4" Trailer HD leafs in the front, Chevy's with 3" blocks and a track bar/pan hard bar in the rear with full exo cage.

 
 
 
 
 

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