Dana 70 speedy sleeve? Leaking seal again...

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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby CumminsPower59 » Tue Dec 18, 2012 10:57 am

ellis93 wrote:^looks like it. Only box I have is national 417158 and it measures out 2.875 x 3.875 x .375. I don't know if this it the doubled seal or not.


That is a good number for a double lip seal. I got two on the workbench at home. They aren't a "two piece" seal, just a standard wheel seal.
Ike

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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Diesel » Tue Dec 18, 2012 12:34 pm

little doug wrote:National 370150BGC Is this the seal we are looking for? The dimensions look right. Unitised sounds like what you guys are describing... http://www.redtrailers.com/ShowItem.asp?id=10-51

Another link with vidio...http://www.etrailer.com/Seals-for-Trail ... 10-51.html

another source... http://www.trailerparts4u.com/product/2 ... al-10-51-1


AWESOME! I just ordered one and will report back results. I got the 370150A seal which looks to be the two piece in the picture.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Diesel » Tue Dec 18, 2012 12:37 pm

Does anyone know what the torque on the spindle hub nut is supposed to be for the Dana 70? I don't have a FSM and have just tightened it but this time around I'd like to use a torque wrench.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby CumminsPower59 » Tue Dec 18, 2012 12:49 pm

Diesel wrote:Does anyone know what the torque on the spindle hub nut is supposed to be for the Dana 70? I don't have a FSM and have just tightened it but this time around I'd like to use a torque wrench.


120-140 ftlbs, then back it off 1/3 of a turn ;)
Ike

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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby CumminsPower59 » Tue Dec 18, 2012 12:57 pm

Dunno if you have seen this, but it may be worth a shot if you have troubles again ;)

http://www.dieseltruckresource.com/dev/ ... ost2348051
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby PToombs » Tue Dec 18, 2012 5:47 pm

Diesel, that seal in the 2nd link, the one you ordered, is the one. Make sure you install it dry, if you lube it it will slip on the spindle and won't seal right.

CumminsPower59 wrote:120-140 ftlbs, while turning the hub,then back it off 1/3 of a turn ;)
pete

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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby bmoeller » Tue Dec 18, 2012 6:16 pm

Sometimes the "2 piece" seals are called "hand installed" seals. No diver needed. I don't use drivers anyhow. Just a block of wood works fine.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Diesel » Tue Dec 18, 2012 9:22 pm

CumminsPower59 wrote:
Diesel wrote:Does anyone know what the torque on the spindle hub nut is supposed to be for the Dana 70? I don't have a FSM and have just tightened it but this time around I'd like to use a torque wrench.


120-140 ftlbs, then back it off 1/3 of a turn ;)


I had no idea I had to back it off after getting it tight. Sorta scares me but if that's what the fsm says then ill do it!
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Electric_Cowboy » Wed Jan 29, 2014 9:38 am

Great info in here!!! I have been dealing with the same issue on my right rear seal. Gonna have to try these National Unitized seals out. I take it the correct part number is 370150A? Thanks again!
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Diesel » Wed Feb 05, 2014 7:54 pm

Electric_Cowboy wrote:Great info in here!!! I have been dealing with the same issue on my right rear seal. Gonna have to try these National Unitized seals out. I take it the correct part number is 370150A? Thanks again!


If the weather cooperates I'll be doing this install shortly (maybe Saturday) so I can report back!

Can I reuse the spindle nut (I only have 1 not 2) if I put in a new lock tab?
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby fatty » Wed Feb 05, 2014 8:20 pm

Electric_Cowboy wrote:Great info in here!!! I have been dealing with the same issue on my right rear seal. Gonna have to try these National Unitized seals out. I take it the correct part number is 370150A? Thanks again!

Hey Chris!! Good to see you're still alive and kicking.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Electric_Cowboy » Wed Feb 05, 2014 10:01 pm

Haha, what's up man! Ya still kicking. Got me a first gen now, and working on it. How you been? And Diesel, looking forward to your feedback on the seal. I'm not sure about the nylock nut, personally I wouldn't reuse it unless that's your only option. Even with a new lock in there.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Diesel » Thu Feb 06, 2014 10:08 am

Well I have one 2 piece seal and 1 new nut...but I have 2 leaky wheels! So I guess I'll just do one side and see how it goes.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby DodgeFreak » Thu Feb 06, 2014 10:39 am

I've reused them a few times in the past and haven't had a hub come loose. as we speak the crewcab and my 4wd have reused nuts. Haven't had a change in preload. That said... its like brake calipers, I've been able to push 95% of them back in with out one hanging....but I had one hang on my van and had to redo the front brakes again. so you might get lucky or you might not. its a calulated risk.
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Re: Dana 70 speedy sleeve? Leaking seal again...

Postby Electric_Cowboy » Thu Feb 06, 2014 10:38 pm

^^^Good point!

If you can afford it get a new nut, if not just slap it back on there and try to put the lock in a different spot would be my guess. Looking forward to hearing the review on the seal.

Funny thing is, I put that new seal in on mine a week or so ago. It leaked for a day afterwards, and now it hasn't leaked since. Even checked the fluid level and it's still spot on. So I dunno. But I am gonna get some of these seals and just have em on the shelf for next time. Maybe when I do the rear brakes I will swap the seals out too.
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