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You can buy a flush that is specifically made for cleaning lines and coolers , it's in a spray can , use it and follow with compressed air .

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Mark lots of guys run the Type F. You may notice it may make your trans run slightly hotter as a byproduct but nothing crazy. One of my friends likes to run half type F and half dexron so that it doesn't run too much hotter, I think hes crazy, but I'd run whatever the builder recommends.

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I will look into that thanks...

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You can buy a flush that is specifically made for cleaning lines and coolers , it's in a spray can , use it and follow with compressed air .

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I have used the flush and it is good when I have it available.

Often I don't so I disconnect the cooler lines an pump about 1/3 a can of spray Carb cleaner in one line. I attach a fuel line to the other line and put it in a gallon jug. I blow compressed air through the line and the cleaner& trans fluid spews into the jug. I repeat, swapping the direction of the flush each time until I feel good about how clean it is.


I do the flush when I take the trans out so
1. I don't have trans fluid leaking everywhere.
2. The lines have more time to dry out before I reconnect them.

The exception is that I don't flush them if the lines are going to sit open for a while. I don't like the though of rust or creepy crawly things getting in the clean lines.

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I will look into that thanks...

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You can buy a flush that is specifically made for cleaning lines and coolers , it's in a spray can , use it and follow with compressed air .

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I have used the flush and it is good when I have it available.

Often I don't so I disconnect the cooler lines an pump about 1/3 a can of spray Carb cleaner in one line. I attach a fuel line to the other line and put it in a gallon jug. I blow compressed air through the line and the cleaner& trans fluid spews into the jug. I repeat, swapping the direction of the flush each time until I feel good about how clean it is.


I do the flush when I take the trans out so
1. I don't have trans fluid leaking everywhere.
2. The lines have more time to dry out before I reconnect them.

The exception is that I don't flush them if the lines are going to sit open for a while. I don't like the though of rust or creepy crawly things getting in the clean lines.

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I have a very nice trans cooler with a fan and filter setup just curious what is safe to use to clean it out.

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Remove or replace the filter(unless it is a screen type filter), do not run cleaning fluids through it(paper type )

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