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Leaking Inner Axle seal?

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Old 01-21-2016, 12:07 PM
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Originally Posted by bwFX42006
Nothing is leaking...and when my summer tires came off the inside of the rims were clean. I changed both rear axle seals last summer so they are barely six months old. I rarely go to sears, only when I need a tire swap or a very basic service. I'm sure he was mistaken. The underside of the truck was wet from snow and ice, I will check for leaks over the next few days just in case he was referring to something else. I've done a lot of work on my truck over the last year, that's why I panicked. I just don't have time to deal with any major repairs, very busy remodeling a house....funny how these repairs can come up at the worst times. I'm sure it's nothing. Just being a bit of a hypochondriac with my truck, I try to keep her healthy.
The front inner seal is the seal at the diff, where the CV shaft enters on the front axle of the truck. This would not be as noticeable on a typical tire change unless up on a lift.

It does not typically drip but a stain is seen around and below where the shaft enters. As I said the serve writer may have written up the work based on the mechanics notes and made an error.

The easiest thing to do is go ask the actual mechanic that worked on it or just have a look at the front seal. Crank the wheel to the passenger side and look in at the seal area behind the axle.
Old 01-21-2016, 12:15 PM
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Isn't the OP talking about the REAR differential? If so, there's no "CV shaft". This would only be on a 4x4, and on the front differential.
Old 01-21-2016, 02:56 PM
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Originally Posted by Dirttracker18
The front inner seal is the seal at the diff, where the CV shaft enters on the front axle of the truck. This would not be as noticeable on a typical tire change unless up on a lift.

It does not typically drip but a stain is seen around and below where the shaft enters. As I said the serve writer may have written up the work based on the mechanics notes and made an error.

The easiest thing to do is go ask the actual mechanic that worked on it or just have a look at the front seal. Crank the wheel to the passenger side and look in at the seal area behind the axle.
That would be good to check, although I have noticed no leaks. Is this a common problem on 11 gens?
Old 01-21-2016, 07:10 PM
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Your best bet is to just get under there and look the truck up and down.. Your gonna need to take anything anyone says with a grain of salt until you catch a good dry day and have a peek..
In the meantime, if nothing's really affecting the drivability of the truck then keep driving it.. Don't worry, something eventually always go's wrong..
Old 01-21-2016, 07:48 PM
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Originally Posted by Bucko
Isn't the OP talking about the REAR differential? If so, there's no "CV shaft". This would only be on a 4x4, and on the front differential.
Yes but the rear has no inner seal. However the front does. I am assuming that possibly the service writer made an error in writing up the invoice where the mechanic wrote front and the writer put rear.

Worth looking at.
Old 01-22-2016, 06:57 AM
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Here's a pic of the only axle seal you got. And just for the record, I am not a woman. ha-ha

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Old 01-22-2016, 07:55 AM
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Originally Posted by Rick's 06
Here's a pic of the only axle seal you got. And just for the record, I am not a woman. ha-ha

Man that's a clean undercarriage....Mine is so rusty now after being in the salt belt for almost 10 years.
Old 01-22-2016, 09:05 AM
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Originally Posted by bwFX42006
Man that's a clean undercarriage....Mine is so rusty now after being in the salt belt for almost 10 years.
Must be a nice southern truck. Both of my F150's have been this: one from Texas, the other from Florida, and was/are as clean as this one in the picture.
Old 01-22-2016, 09:22 AM
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Originally Posted by Bucko
Must be a nice southern truck. Both of my F150's have been this: one from Texas, the other from Florida, and was/are as clean as this one in the picture.
Unless youre on the coast.
Old 01-22-2016, 10:34 AM
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Originally Posted by Rick's 06
Here's a pic of the only axle seal you got. And just for the record, I am not a woman. ha-ha

No it is not the only one if you have a 4 wheel drive truck. You then have inner seals behind the CV axle in the front. As I have noted many times, my guess is that it was a error putting rear and it was actually a front. It is very common for them to leak but are rarely repaired, even though it is a simple repair.



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