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Old 03-16-2012, 04:32 PM
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Flushed Tranny Today..

So as spring/summer slowly approaches and my need to tow the work trailer daily increases, I decided to have the tranny fully flushed and service. Decided since I was going to pay to have everything flushed anyway, I might as well go with a synthetic. Went with the Mobil 1 ATF and so far have only drove about 80 miles but couldn't be happier. Shifts smoother than a babys butt. It also feels like it might be putting a little more of the power to the ground but I'm sure that's just in my head.

Not sure why but I felt like sharing the good experience with everyone. So far, I would highly recommend going with a synthetic or Mobil 1 ATF if considering.
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Old 03-16-2012, 05:45 PM
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I'm afraid to flush my tranny I just drain the pan change the filter and fill it back up. But I do that every 20k


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Old 03-16-2012, 07:20 PM
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I have always heard that it was not good to flush a transmission, I just change the fluid and filter often.
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Old 03-16-2012, 07:36 PM
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I was weary about doing a flush and have always just changed the fluid in the past. I really wanted to switch to a synthetic fluid and thats why I ultimately decided to do the flush. Ive only drove it for 80 miles since but I definitely feel it shift noticably smoother.
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Old 03-16-2012, 08:03 PM
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Of course it's not good to flush it. That's why Ford recommends you flush it.
I flushed mine at 300K MILES! Never had been done before.
You want a machine that doesn't push out the old fluid. You want one that will let the TC push all the old out and just replenish the lost fluid at the same rate. Basically it's just like pulling the cooler line and pouring fluid into the pan as it's running.
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Old 03-17-2012, 06:25 AM
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I wouldn't let Anybody hook one of those filthy machines to my transmission

Seriously, do it yourself you'd be way better off....

75% of the transmissions that get connected to one of those machines are having trouble of some sort. So, people try this as a Quick Fix. What that means to you is, the crap & crud from all those previous encounters is Somewhere in that machine!

I'm sure there are clean, well maintained, flush machines out there whose owners faithfully keep them that way but, to me it's a gamble. I KNOW, when I do it myself that no remnants of other peoples problems will infect mine
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Old 03-17-2012, 07:13 AM
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Our machine worked like I mentioned. Only clean fluid was put into the reservoir.
Two lines went out, just onto a cooler line so the machine was in line. Old fluid came in, the machine kept it separate from the clean and only used the old fluid flow to meter the new fluid flow in.
It was a Wynn's machine.
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Old 03-17-2012, 10:01 AM
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If you don't mind me asking how much did it cost u to flush and put the mobile 1 in


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