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Old Mar 31, 2019 | 11:43 AM
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Transmission questions

OK, Gents,
I have a 2007 F-350 Diesel with 215,000 miles. When the temps are cold outside, my transmission bumps like it needs to warm up in the morning. Once it gets warm, it runs like a top. Great mileage and responsiveness and rides like a dream. About 30,000 miles ago, I had the transmission filter changed and all the transmission fluid replaced. All 15 quarts. Does anyone have any suggestions as to what I should do?

Thank you guys?
 
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Old Mar 31, 2019 | 07:02 PM
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What transmission fluid is in it now?
 
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Old Mar 31, 2019 | 07:40 PM
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I had the filter and fluid changed at 180,000. I switched to Royal Purple. I have had great success with Royal Purple.
 
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Old Apr 1, 2019 | 09:35 AM
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Originally Posted by big315
I had the filter and fluid changed at 180,000. I switched to Royal Purple. I have had great success with Royal Purple.
What rating does the Royal Purple have? I looked up on of their ATFs and it has a MERCON V rating, not MERCON SP or MERCON LV, which is what your 5R110W transmission requires.
 
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Old Apr 1, 2019 | 02:02 PM
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So I need to go back with the Motorcraft?
 
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Old Apr 1, 2019 | 03:08 PM
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You need a fluid with either MERCON SP or MERCON LV ratings. Brand doesn't matter.

Any MERCON V fluid will destroy this transmission. I don't know if Royal Purple makes the right fluid or not. I didn't spend much time researching it. The one that I looked at was MERCON V, they may have others.

If you used a MERCON V fluid in this trans you want to get as much of it out as possible. This is the best way I know of to change the fluid: https://www.ford-trucks.com/forums/1...-exchange.html
 
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Old Apr 1, 2019 | 03:10 PM
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Never ever ever deviate, no matter what vehicle you drive, from the manufacturer’s recommended transmission fluid.

Follow Mark’s recommendations to the letter, as he is THE KING of Ford transmissions.

— Dave
 
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Old Apr 2, 2019 | 08:16 AM
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Transmission Questions

I went to the Royal Purple site and here is what it said under Ford with their ATF Fluid.
  • Ford FNR5, MERCON®, MERCON® V
 
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Old Apr 2, 2019 | 05:14 PM
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That fluid is deadly to your transmission. You MUST use MERCON SP or MERCON LV.
 
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Old Apr 2, 2019 | 08:11 PM
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Transmission questions

I understand. Thank you for your help!
 
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Old Apr 21, 2019 | 08:43 PM
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OK. Changed both filters and went back to the Ford Fluid. Still a little bumping on acceleration until it gets warmed up. Is there an additive I can add or something to help with the seals? Just hoping for some advise!
.
 
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Old Apr 22, 2019 | 07:50 AM
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Originally Posted by big315
OK. Changed both filters and went back to the Ford Fluid.
I have to ask this. What Ford fluid did you use?

Originally Posted by big315
Still a little bumping on acceleration until it gets warmed up. .
Give the adaptive software some miles to smooth out the shifts.

Originally Posted by big315
Is there an additive I can add or something to help with the seals? Just hoping for some advise!
What's wrong with the seals now?
 
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Old Apr 22, 2019 | 08:56 AM
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He put the recommended fluids in.

OK. I'll give it some time.

The only thing I know might be wrong with the seals is that they are old. 13 years and have 216,000 miles on them.
 
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Old Apr 22, 2019 | 09:17 AM
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There are no additives that I'm aware of that will actually help.
 
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Old Apr 22, 2019 | 02:46 PM
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Thank you Mr. Kovalsky! I appreciate your help. I'll keep you posted.
 
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