thompsoj22
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- Jul 21, 2018
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Routing the transmission cooler direct is a good idea, but my worry with that is for the winter when there is benefit to warming the fluid a bit from cold. But, I could also add a thermostatic control valve in the circuit, I suppose.
Fans are still programmed to come on at the factory temps. I bought the 700w fan motor for the drivers side, along with the correct fan blade, and will install both this weekend.
Thanks for offering some good ideas.
As i have had to tweak this upgrade "twice", I have found that you can R&R the drivers side fan/motor assy without dumping the coolant. Simply remove the fan support upper bolts and lean the shroud aft, This will give you enough room to remove the fan snap ring and fan and then the 3 fan motor bolts and re'assemble in reverse order without dealing with the coolant. Use "extreme caution" with your tools in the radiator area as "any" comtact with the radiator fins will dent/damage your "beautiful new radiator". The passenger side is "doable" also but i dont advise it, It is just to tight and you will dent the radiator fins. But you now have a draincock, What a great idea! Any GMC design engineers/FST reading this now?