Added second trans cooler silverado 5.3.
Added second cooler to silvy today.. It was an all day affair I made custom supports, and lowered the stock cooler. I lowered the stock cooler as it was dead center with the chevy emblem on the gri...
Forum Discussion
Kinda sorta...but...
Even old, old, old ATF had specifications for it's manufacture and usage...meaning a temp range it operates at best...again refer to the human temp range example in my post at the beginning of this thread...and note that the humans a decades ago likewise used the same heat rejection management system as modern man does...
The key to ATF temp management is that it is normally plumbed to go into and out of the main radiator's cold tank
That cooling system does have a thermostat and a temp range it manages the coolant to. The coolant has many input sources of heat...ATF is one of them and the ATF/coolant temp is managed by the main radiator's thermostat
Why plumbing the AFT external radiator BEFORE going into the main radiator is important. In extreme cold, it will over cool the ATF below it's operating range and by going into the main radiator...it will be re-heated by the main radiator's coolant in the cold tank
In extreme conditions where the ATF gets too hot...the external radiator will cool it and going into the main radiator's cold tank...it will either cool the main radiators's coolant if it is cooler. Guess it can heat it too, but can't see how the various controls would allow that...unless the AFT gets so hot...the external ATF radiator can NOT cool it enough...so it goes into the main radiator hotter than the coolant in there
Congrat's on the second career...and in teaching too boot!!!!
PS...fav town when traveling a lot was Chapel Hill (bought a few small companies for my company, Sun Micro and had to check on them monthly) and LOVED going to the surrounding eateries of Duke U...am 6 foot and felt tiny compared to those kids out and about there...
Thanks for the reminder and me going down memory lane...had forgotten that part of the country
Even old, old, old ATF had specifications for it's manufacture and usage...meaning a temp range it operates at best...again refer to the human temp range example in my post at the beginning of this thread...and note that the humans a decades ago likewise used the same heat rejection management system as modern man does...
The key to ATF temp management is that it is normally plumbed to go into and out of the main radiator's cold tank
That cooling system does have a thermostat and a temp range it manages the coolant to. The coolant has many input sources of heat...ATF is one of them and the ATF/coolant temp is managed by the main radiator's thermostat
Why plumbing the AFT external radiator BEFORE going into the main radiator is important. In extreme cold, it will over cool the ATF below it's operating range and by going into the main radiator...it will be re-heated by the main radiator's coolant in the cold tank
In extreme conditions where the ATF gets too hot...the external radiator will cool it and going into the main radiator's cold tank...it will either cool the main radiators's coolant if it is cooler. Guess it can heat it too, but can't see how the various controls would allow that...unless the AFT gets so hot...the external ATF radiator can NOT cool it enough...so it goes into the main radiator hotter than the coolant in there
Congrat's on the second career...and in teaching too boot!!!!
PS...fav town when traveling a lot was Chapel Hill (bought a few small companies for my company, Sun Micro and had to check on them monthly) and LOVED going to the surrounding eateries of Duke U...am 6 foot and felt tiny compared to those kids out and about there...
Thanks for the reminder and me going down memory lane...had forgotten that part of the country
falconbrother wrote:
My second career is at a community college. I asked one of the automotive instructors about adding the extra cooler to supplement the GM extra cooler. He said it wouldn't hurt a thing. Mine is a 2000 model. The older vehicles do not have the transmission oil thermostats like the newer vehicles. So, he said that for my 2000 it wouldn't hurt at all. The older vehicles do not need the transmission fluid to be at a certain temperature range like the new vehicles. In a new(er) truck it might be an issue because they are designed to run within a temperature range. He said that when towing it's going to get warm/hot anyway and in winter it will still warm up. But, it doesn't have real specific temperatures that it needs to operate like the late models. So, I'm adding the extra cooler to the Suburban.
