Leaky seal? - Transfer case - Page 2 - Ford Powerstroke Diesel Forum
6.7 Drivetrain Problems (2011-2016) 6.7 Drivetrain Problems

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post #11 of 29 Old 04-04-2018, 11:21 AM
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The 7C3Z-A should get you where you need to go, check the vent hoses too, shouldn't be seeping yet
Didn't look at previous posts, looks like someone grabbed it with a pair of channel locks

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2004 F250 CCSB 4X4
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post #12 of 29 Old 04-04-2018, 11:34 AM
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Originally Posted by voodooridr View Post
The 7C3Z-A should get you where you need to go, check the vent hoses too, shouldn't be seeping yet
Didn't look at previous posts, looks like someone grabbed it with a pair of channel locks
The outer boot is very brittle. I barely touched it and it fell apart like that.

It also appears that the slip yoke starts to rust where the seal doesn't contact often. Then under occasional circumstances the yoke will travel enough that the corrosion will contact the seal/boot and rip it. I'm thinking the yoke might need a little exterior cleanup and greasing in order to keep it smooth and healthy.

Ford is on back order over a month out. It looks like eBay might be a possibility. I also got a seal from NAPA that's supposed to work. Part number 21241. will probably tear into it this weekend to try and fix it. I'd just hate to get it torn apart and find out I can't use my truck because I don't have the right seal.

Thanks for the guidance. This is such an annoying little problem.
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post #13 of 29 Old 04-04-2018, 11:38 AM
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There about 120 of them floating around in the Ford warehouse network, Shouldn't be more than a few days away where ever you are

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2004 F250 CCSB 4X4
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35x12.5x18 Nitto Ridge Grapplers on Method MR309 wheels
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post #14 of 29 Old 04-04-2018, 11:41 AM
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Originally Posted by ZMANN View Post
that looks like the older version,, like mine would use

but maybe ford reverted back / since I did hear they had some squeaking issue

somone give up a vin ;-)

That's a 7C3Z-7B215-B, that would be correct for the front output seal

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2004 F250 CCSB 4X4
4" Skyjacker lift
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KDD heads, ARP studs, BD exhaust manifolds, DieselSite up pipes, Mishimoto degas bottle
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PHP Atlas 40 FICM tune
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post #15 of 29 Old 04-04-2018, 11:45 AM
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granted it is leaking and needs replacing

and if it makes you feel better about losing the boot , typically most rear seals are bootless anyway and fair better than this one

sure the boot is nice but it would be nice if they had a boot that didn't dry rot in such short order LOL

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post #16 of 29 Old 04-04-2018, 12:06 PM
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Originally Posted by voodooridr View Post
That's a 7C3Z-7B215-B, that would be correct for the front output seal
?? thats the part # you listed for the rear ?

EDIT NM I see the B instead of an A crazy same part # but i letter changes it all lol

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post #17 of 29 Old 04-04-2018, 12:10 PM
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Uh, no
Even though I had to scroll back up and look
7C3Z-7B215-A for the rear output
7C3Z-7B215-B for the front output

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2004 F250 CCSB 4X4
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35x12.5x18 Nitto Ridge Grapplers on Method MR309 wheels
KDD heads, ARP studs, BD exhaust manifolds, DieselSite up pipes, Mishimoto degas bottle
PHP Insight PRO
PHP Atlas 40 FICM tune
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post #18 of 29 Old 04-04-2018, 12:15 PM
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they are toying with us

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post #19 of 29 Old 04-04-2018, 12:17 PM
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they are toying with us
Welcome to my corner of hell.
That's why really good Ford parts guys are hard to come by

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2004 F250 CCSB 4X4
4" Skyjacker lift
3:73 gears
35x12.5x18 Nitto Ridge Grapplers on Method MR309 wheels
KDD heads, ARP studs, BD exhaust manifolds, DieselSite up pipes, Mishimoto degas bottle
PHP Insight PRO
PHP Atlas 40 FICM tune
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post #20 of 29 Old 04-04-2018, 12:36 PM
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Quote:
Originally Posted by voodooridr View Post
Uh, no
Even though I had to scroll back up and look
7C3Z-7B215-A for the rear output
7C3Z-7B215-B for the front output
Alright I'm gonna throw another wrench in here. What about part number BC3Z-7052-C

It looks pretty close to what I need. But possibly discontinued...
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