Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, need a quick answer, which trans cooler line is supply and which is return. !!! in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I need a quick answer, anyone know which cooler line is the supply line and which is the return ? ...
- 11-15-13 12:16 PM #1
need a quick answer, which trans cooler line is supply and which is return. !!!
I need a quick answer, anyone know which cooler line is the supply line and which is the return ? Ideally I need to know from the transmission conenction side thanks.
- 11-15-13 02:08 PM #2
Re: need a quick answer, which trans cooler line is supply and which is return. !!!
This way at least you'll know for sure.
- 11-15-13 09:54 PM #3
If its for the external cooler it doesn't really matter. The cooler doesn't have an in and out. As long as the fluid is going through it then it's all good. If it's for another reason then it's as stated above. Heat gun on the two lines at operating temp. Hot line is the outlet if the tranny. If you don't have a heat gun or your car is apart then I can let you know tomorrow. I have an infrared gun and can give you an answer in the morning. Pam me if you need that info.
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