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Unread 06-29-2013, 11:06 PM   #1
KINGJB
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Dana 44 axle seals.

I am rebuilding a set of dana 44 axles that came out of a mid 80s fullsize wagoneer. I am gathering together all of the parts and can not find inner axle seals that would go up against the carrier area anywhere. I have tried doing some research on the web and asking around and i've only come up with mixed info.

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Unread 06-30-2013, 08:52 AM   #2
CSP
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Only the front axle would have these seals. The rear seals at the outer end of the axle tubes.

There shouldn't be any problem finding the front seals at all just by looking them up by the vehicle. The same seals were used on countless different D44s.
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Unread 06-30-2013, 03:09 PM   #3
KINGJB
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Alright. I have the outer seals and new wheel bearings, but I had figured there would be inner ones too. I stand corrected.
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Unread 07-06-2013, 12:17 PM   #4
KINGJB
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Another quick question. I am going to throw a set of 4.10 gears in these axles. My question is about the shims that go on the carrier. Does it matter if they go on the inside or the outside of the carrier bearongs? I've been doing a lot of research on how to re gear and I've seen it both ways. Was wondering if it made a difference on my axles or not.
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Unread 07-06-2013, 01:49 PM   #5
pleontks
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I put mine on the outside, because I do not have a press, and am too cheap to have the shop keep pressing the bearings on and off. I've had no problems with mine. If you have a press, I'd put them on the inside, though.

Do you have a case spreader? Will be way easier if you just have a shop put them in. But not too hard to do yourself. Setting up my gears is the one thing so far that I never wanna do again.
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Unread 07-06-2013, 01:56 PM   #6
KINGJB
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No I don't have a case spreader. Regearing is something I wamt to learn hiw to do though. I have been collecting all the other tools to do the job.
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Unread 07-06-2013, 06:08 PM   #7
pleontks
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I'm glad I did mine, so now I know how, but it was a pain. You will need a case spreader. I made mine for about $30. It's a little scary to use, but nothing bad has happened yet.
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Unread 07-06-2013, 07:27 PM   #8
CSP
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I've never used a case spreader.

You can stick a shop rag between the pinion and ring gear, turn the pinion and it will force the carrier out. You can drive it back in with a dead blow hammer.

On a Dana 44 the bearings are supposed to go between the bearings and carrier. On some axles, like the Ford 8.8 and the AMC 20 they go outside the bearings, but not on the D44.
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Unread 07-06-2013, 08:57 PM   #9
KINGJB
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Quote:
Originally Posted by pleontks View Post
I put mine on the outside, because I do not have a press, and am too cheap to have the shop keep pressing the bearings on and off. I've had no problems with mine. If you have a press, I'd put them on the inside, though.
Quote:
Originally Posted by CSP View Post

On a Dana 44 the bearings are supposed to go between the bearings and carrier. On some axles, like the Ford 8.8 and the AMC 20 they go outside the bearings, but not on the D44.

So which is it?
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Unread 07-07-2013, 09:17 PM   #10
CSP
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What's so unclear to you?

pleontks stated why he put them on the outside, knowing they are supposed to be behind the bearing.

I specifically stated that they go behind the bearing on the Dana 44. Should be no question what the proper way is.
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Unread 07-08-2013, 09:24 PM   #11
KINGJB
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Alright. Technically the proper way is for them to go on the inside, but there isn't necessarily a problem putting them on the outside.
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Unread 07-08-2013, 10:40 PM   #12
CSP
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Sure there is. The bearing caps may not put even pressure on the races and the bearings if they aren't installed correctly.

Dana/Spicer wouldn't specify the arrangement of the shims if there wasn't a good reason for it.
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Unread 07-08-2013, 10:59 PM   #13
KINGJB
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I ended up picking up an extra set of carrier bearings to make set up bearings with today. So I am putting the shims on the inside of carrier bearings.
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Unread 07-11-2013, 05:28 PM   #14
jamesdart
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I put 4.10s and a zip locker in my 44s. the zip locker actually came with large shims that went outside the bearings. the shims that came in the install kits didn't fit the zip locker. it seems to be working fine. i don't see why you couldn't do it that way, but the install kits don't come with shims to do that, you will have to source them.
some years of the 44 used an inner seal, some didn't. the rear inner seal is just inside the axle bearing.
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Unread 07-11-2013, 06:20 PM   #15
CSP
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Quote:
Originally Posted by jamesdart View Post
the rear inner seal is just inside the axle bearing.
That would be an outer seal. An inner seal is pressed into the axle tubes where they are inserted into the cast center section and is accessed via the inside of the center section.
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