How much damage is done? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 5 (permalink) Old 04-27-2012, 06:37 PM Thread Starter
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How much damage is done?

I installed my Trucool transmission cooler last night. When I cut my return line to plumb in the new cooler, the fluid was pretty dark. I know that my tranny temps have ran pretty high in the past when towing, this is why a was installing the new cooler. I am planning on flushing all the old fluid out, will this save any possible damage that may have been done?
When I say pretty dark, I mean there was barely any red left in the fluid, not black like engine oil. One other thing, I have never had any issues with the tranny yet other than the hot temps. The pickup is a 2001 F-350 automatic.

Thanks.
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post #2 of 5 (permalink) Old 04-27-2012, 06:50 PM
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Re: How much damage is done?

If the fluid didnt smell burnt, your likely ok.. Installing the cooler certainly wont hurt things, but it aint gonna reverse any damage from past abuse,wear,neglect or over heating either.. Asumeing you have any...
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post #3 of 5 (permalink) Old 04-30-2012, 08:12 PM Thread Starter
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Re: How much damage is done?

Well, I flushed the transmission according to Marks sticky above. The fluid didn't smell burnt but it was pretty dark. I pulled the pan and changed out the filter. The magnet in the pan barely had any material stuck to it so I think i'm ok. I have to say that flushing the way Mark tells is really pretty damn slick, you know it's done right when you do it yourself. Thanks for the input.
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post #4 of 5 (permalink) Old 04-30-2012, 08:15 PM
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Re: How much damage is done?

the friction surface of worn clutches (improperly lubricated due to overheated fluid) won't stick to a magnet so ,, don't relax just yet

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post #5 of 5 (permalink) Old 04-30-2012, 08:50 PM
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Re: How much damage is done?

Most likely your trans is fine. Dark fluid does not necessarily mean the trans is damaged.

I'm glad my procedure worked for you. I've used it on all sorts of vehicles.

Mark
Former Ford Automatic Transmission Engineer

“The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson
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