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Gritty Trans Fluid

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Old Jul 21, 2013 | 01:48 PM
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Gritty Trans Fluid

Checked my trans fluid this morning and found black gritty residue on the end of the dipstick. The fluid level was fine and the fluid color, odor and appearance is also good. Each time I wiped off the end of the stick and put it back in it came out with a little gritty black/brown substance on the end. The trans has the factory fluid, never a problem, and 37,000 miles. This is obviously not good. Anyone else experience this, or have ideas on what is going on?

This should be covered under the 5yrs/100,000mi. powertrain warranty. However I am currently in discussion with Ford on warranty coverage for radiator hose and radiator replacement and don't want to start a new issue unless it is covered.
 
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Old Jul 21, 2013 | 03:06 PM
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The dipstick tube is what it is from. See if you can visually check the tube from the top and from the bottom/side of the truck.

As long as there is no comprise of the tube then no worry.
 
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Old Jul 21, 2013 | 04:29 PM
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From the dipstick tube? The dipstick seals with an O-ring at the top and it is securely inserted into the tranny case at the bottom. How would it be from the tube? If it was in the tube how would it not get into the tranny as I put the stick back in and push it down? No worry isn't going to work for me on this one.
 
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Old Jul 21, 2013 | 05:20 PM
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My dads 08 did the same thing. The dipstick tube sits really close to the exhaust and best we could figure, it developed condensation in the tube causing it to rust because of the heat cycles. We took it off, cleaned it with a wire brush, and reinstalled. Maybe some sort of turbo wrap or foil type exhaust shield may help?
 
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Old Jul 21, 2013 | 05:48 PM
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Just checked mine same black grit! Looks like I will be taking it off and cleaning.
 
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Old Jul 21, 2013 | 06:12 PM
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Interesting. When you wipe the residue on a blue shop towel it is a dark brown color like rust. At least mine isn't the only one.
 
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Old Jul 21, 2013 | 06:21 PM
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That is exactly it. condensation is what we believe.
 
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