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Old Nov 14, 2010 | 08:11 PM
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C6 Trans cooler lines

Of the 2 fittings on the side of the case where the oil cooling lines attach, which is the supply and return?

I am assuming the fitting in the front is the pressure as it is closer to the Pump.

The reason I ask is I want to run the trans fluid through the radiator first then through a Cooler.
 
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Old Nov 15, 2010 | 02:41 AM
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You are correct. The front fitting is pressure out. It goes to the radiator cooler. The rear is the return from the coolers.
 
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Old Nov 16, 2010 | 12:09 AM
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Thanks Mark.
Greatly appreciate it.
 
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Old Nov 21, 2011 | 08:53 AM
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So I am assuming it goes in a loop through the radiator and then from the radiator through the cooler and back to the tranny?
 
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Old Nov 21, 2011 | 04:40 PM
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Yes, that's correct.
 
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Old Nov 23, 2011 | 11:39 AM
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On my truck, the line from the auxiliary cooler back to the trans, has one short section of hose (original) joining two steel lines approx under the radiator.
But the line from the trans to the radiator (hot oil) is all steel.
 
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