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Old 09-25-2006, 05:03 PM   #11
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I've done 3 flushes on mine and more recently, a fluid and filter change. If you choose to never flush it, at least drop the pan and change the oil and filter every 15,000 like Don does. Despite the urban myths to the contrary, your transmission, like every other peice of mechanical equipment, likes to run better when kept clean and maintained.
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Old 09-25-2006, 05:07 PM   #12
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Yes you can have them flushed... And the flush making it fail is a myth... Keep the trans clean and it will stay happy for a long time to come..

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Old 09-25-2006, 05:09 PM   #13
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Originally Posted by jr's3800
Yes you can have them flushed... And the flush making it fail is a myth... Keep the trans clean and it will stay happy for a long time to come..
its not a myth. sometimes the shitty fluid is keepin everythin runnin good. a friend flushed his gtp and it went out within a week
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Old 09-25-2006, 05:10 PM   #14
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Yes you can have them flushed... And the flush making it fail is a myth... Keep the trans clean and it will stay happy for a long time to come..
its not a myth. sometimes the crappy fluid is keepin everythin runnin good. a friend flushed his gtp and it went out within a week
Your friend flushed because he was having problems. Total loss was inevitable.
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Old 09-25-2006, 05:20 PM   #15
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Your friend flushed because he was having problems. Total loss was inevitable.
nooooooo he flushed it cuz he was in the AT class and just learned how to use a flusher. it had been fine up to that.
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Old 09-25-2006, 05:55 PM   #16
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A properly performed transmission flush will NOT make your transmission fail. It MAY bring about the impending failure of a damaged trans quicker, but that is the extent of that. Do not perpetuate the myth.

Do you really believe that it is a recommended maintenance procedure in your owner'* manual because the OEM'* want your transmision to fail?

By that same logic, one should never perform a Coolant flush or an Engine Oil flush either.

Transmission fluid is a lubricant with additives, just like other lubricants in your car. The additives break down over time and wear particles from the engine/trans components build up in your system. Thus, if you want your car to last longer than average, you regularly change these lubricants and refresh them with new, while flushing out the wear particles that can cause damage to your components. Anything less reduces the lifespan of your vehicle, no matter what voodoo you chooe to believe in to justify doing otherwise.

Why do you think there is a magnet inside the bottom of the trans pan?


True story:
A past neighbor of mine never checked or replaced engine oil or filters in the multiple Camaros he owned over a period of years. Each one eventually blew the motor after a few years. He felt that this was normal and would just get another used Camaro. When I asked him why he didn't ever change the oil, he said that it was unnecessary and a waste of money. The Camaros were "cheap enough".

He had no basis to believe this other than a friend of his had told him this when he owned his first car. No matter what I told him, he wanted to believe it. Do you believe it?
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Old 09-25-2006, 06:10 PM   #17
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thats all well and good, but my info came from an ex ford tranny specialist. so im choosing to believe him and the proof i have.
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Old 09-25-2006, 07:30 PM   #18
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thats all well and good, but my info came from an ex ford tranny specialist. so im choosing to believe him and the proof i have.
Cool...treat your motor oil the same way then. Trans fluid has recommended change intervals just like engine oil. When you finish changing both because you blew them... c'mon back and we'll help you understand how oil gets dirty and why you can listen to a different manufacturer all you want.
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Old 09-25-2006, 09:42 PM   #19
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haha, i started a snowball of a transmission discussion..

I definitely believe in clean fluids. And Flushing is the best because it keeps the transmission clean! Even just draining and replacing the filter isint GREAT, but its better than just ignoring it altogether!

But umm, how come the THM-440T4 requires a change of 15k and then the 4T-60e requires much less? Where did they go wrong with the THM-440T4? Does it just get too hot?

Eh I will just keep at a 15k mile interval flush and filter and we shall see how long it will last.

Are there any people here who have a car with a THM-440T4 and have owned it since new and flushed and replaced the filter every 15k? Im wondering how long one of these actally can last!
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Old 09-25-2006, 10:01 PM   #20
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thats all well and good, but my info came from an ex ford tranny specialist. so im choosing to believe him and the proof i have.
Cool...treat your motor oil the same way then. Trans fluid has recommended change intervals just like engine oil. When you finish changing both because you blew them... c'mon back and we'll help you understand how oil gets dirty and why you can listen to a different manufacturer all you want.
i never said to not flush ur tranny nor did i imply it. i simply stated that flushin the tranny could and did cause failure in a 4t65-hd.
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