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Old 09-30-2007, 02:51 AM   #1
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hey, when i was changing my fluid/filter on my trans, i noticed that i have two lines going from the tranny to the radiator. Im guessing that means a tranny cooler? is this an option on SSEi'* or is it standard?
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Old 09-30-2007, 02:52 AM   #2
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Standard equipment I do believe.
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Old 09-30-2007, 05:59 AM   #3
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Automatic transmissions usually use the radiator to cool the tranny fluid. There is a "cooler" in the tank on the radiator. Some even add an additional cooler infront of the radiator and put it in series with the cooler in the radiator.
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Old 09-30-2007, 11:47 AM   #4
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Don't think of that passage in the radiator as a cooler. It'* really nothing but a pre-warmer.

The 'core' is a straight piece of pipe within a smaller pipe, and the trans fluid flows between them. It'* a very small passage only 6 inches long or so. Not effective at all, and yes, all cars here have it.

It'* good practice to bypass it entirely after a trans failure. It can be plugged with debris very easily. Go with an external cooler at that point.
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Old 09-30-2007, 01:04 PM   #5
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Quote:
Originally Posted by willwren
Don't think of that passage in the radiator as a cooler. It'* really nothing but a pre-warmer.
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In the summer..hot days it will cool a bit. Otherwise..I agree it can be a warmer.
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Old 09-30-2007, 01:57 PM   #6
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and often when in trafic and youre engine gets hot its the transmission that heat up from the converter slippage
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