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Discussion Starter #1
Went to put on my Barton shifter bracket (awesome improvment by the way) and found a grease on the drivers side of the axle. 4,200 miles. Anyone else had this kind of problem? Looks like the tube into the center section isnt sealed up....... wll be going into dealer later this week..



 

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Is it on the same side as your axle vent? If so, you are seeing the overflow from that vent. I had the same thing on my car, the vent was on the passenger side for 2006 and I think is on the driver side for 2011+. You get that spill from the vent cap with spirited driving. A day at the track and I would have that same pattern of fluid on my rear axle.

You can get a part from Ford that was made for the Shelby. Essentially like a turkey baster bulb that threads in place of the vent cap. Took care of my problem.

Or you can replace the vent cap with a barbed brass fitting, take a long piece of hose and connect it to the fitting, run it up and zip tie it up high and that way the fluid will go up the hose but not spill over when the axle vents.
 

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Discussion Starter #5
Is it grease or oil
Grease - smells like rear end grease

---------- Post added at 08:00 PM ---------- Previous post was at 07:59 PM ----------

I just realized mine is like that too :-o... can't be a coincidence
Yep, looks exactly like that.......

---------- Post added at 08:02 PM ---------- Previous post was at 08:00 PM ----------

Is it on the same side as your axle vent? If so, you are seeing the overflow from that vent. I had the same thing on my car, the vent was on the passenger side for 2006 and I think is on the driver side for 2011+. You get that spill from the vent cap with spirited driving. A day at the track and I would have that same pattern of fluid on my rear axle.

You can get a part from Ford that was made for the Shelby. Essentially like a turkey baster bulb that threads in place of the vent cap. Took care of my problem.

Or you can replace the vent cap with a barbed brass fitting, take a long piece of hose and connect it to the fitting, run it up and zip tie it up high and that way the fluid will go up the hose but not spill over when the axle vents.
Intersting, I didnt notice a vent but wasnt looking for one either. That would explain why there are two of is with exactly the same grease on the axle tube. And I cant exactly deny "spirited" driving :D
 

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The pinion seal on 2011 GT was leaking. It was a $110 repair. Very common issue for our 8.8 pumpkins. It might be leaking over from there to the axle housing...
 

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Ravnus said:
I noticed a couple drips of oil in my garage too. I will have to investigate. Warranty should cover it.
Ravnus do u by any chance have a video on you tube showing your brembo rims with the larger tires? If so what are you running again amd how is the traction from a dig
 

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The pinion seal on 2011 GT was leaking. It was a $110 repair. Very common issue for our 8.8 pumpkins. It might be leaking over from there to the axle housing...
You had to pay for it? Seems like that should be covered under warranty. That said, I don't think this is the OPs issue. Every '11+ I've seen does this and I'm pretty sure my '10 did as well.
 

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DaBluedude said:
Its just a rear axel seal. I do mine every time I change the oil out. 4$part, an hour of labor plus new gear oil. Nbd.
I don't think so. Mine was soaked with 3k miles on the car, no way the seal failed that early in the cars life.
 

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Discussion Starter #13
I don't think so. Mine was soaked with 3k miles on the car, no way the seal failed that early in the cars life.
I agree, although I havent been back under since Saturday it clearly is on the pumpkin side of the axle tube, which led me to think maybe a poor axle tube seal (press fit). I could see it being a vent but didnt see one (wasnt looking either). I'll let you know what the dealer says sometime early next week.......... should be interesting.............
 

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Any axle/pinion seal leak will fall under your powertrain warranty. If it is a minor sweat you have to wait for it to physically leak then the dealer will fix it under warranty.
 

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This is a common problem with the newer cars. Ford went to a press fit axel housing so you will get some seepage. I noticed mine after only 1-2k when I was doing my cat back. Guy at the performance shop said its a common thing since they went to the slip fit.
 

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Discussion Starter #17
Had it in the dealer, let them look and diagnose my keeping opinions to myself, tech got me out under car and it is clearly the vent tube on the drivers side. Now to investigate options to stop it.....

---------- Post added at 04:48 PM ---------- Previous post was at 04:46 PM ----------

Damn phone, "keeping my" opinions to myself

---------- Post added at 04:49 PM ---------- Previous post was at 04:48 PM ----------

JimC said:
Is it on the same side as your axle vent? If so, you are seeing the overflow from that vent. I had the same thing on my car, the vent was on the passenger side for 2006 and I think is on the driver side for 2011+. You get that spill from the vent cap with spirited driving. A day at the track and I would have that same pattern of fluid on my rear axle.

You can get a part from Ford that was made for the Shelby. Essentially like a turkey baster bulb that threads in place of the vent cap. Took care of my problem.

Or you can replace the vent cap with a barbed brass fitting, take a long piece of hose and connect it to the fitting, run it up and zip tie it up high and that way the fluid will go up the hose but not spill over when the axle vents.
Any chance you would know the Shelby part number or where to find it?
 

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FXDWG11bm said:
Had it in the dealer, let them look and diagnose my keeping opinions to myself, tech got me out under car and it is clearly the vent tube on the drivers side. Now to investigate options to stop it.....

---------- Post added at 04:48 PM ---------- Previous post was at 04:46 PM ----------

Damn phone, "keeping my" opinions to myself

---------- Post added at 04:49 PM ---------- Previous post was at 04:48 PM ----------



Any chance you would know the Shelby part number or where to find it?
http://shop.bobsautosports.com/Mustang-axle-reservoir-KR-style-axle-reservoir.htm
 

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Had it in the dealer, let them look and diagnose my keeping opinions to myself, tech got me out under car and it is clearly the vent tube on the drivers side. Now to investigate options to stop it.....

---------- Post added at 04:48 PM ---------- Previous post was at 04:46 PM ----------

Damn phone, "keeping my" opinions to myself

---------- Post added at 04:49 PM ---------- Previous post was at 04:48 PM ----------



Any chance you would know the Shelby part number or where to find it?
I'll see if I can find the Ford part number. It isn't the same as the one that was posted from Shelby, the one I bought was only $35 - if you check with the dealer parts department, and they know what they are doing, you can find it under the 2008 Shelby rear end parts.
 
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