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AN Fittings need help

xXZ-71Xx

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Chris Senior Enthusiast

Chris

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The problems is, mine already overcools.

xXZ-71Xx Enthusiast

xXZ-71Xx

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  • Author
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The problems is, mine already overcools.

Thanks for the quick reply, That was a concern too so I guess I will buy the one you have. What temp do you usually run at? And do you happen to know what the lowest normal operating temp we should be running at? Thanks again

Chris Senior Enthusiast

Chris

Posted
Posted

Thanks for the quick reply, That was a concern too so I guess I will buy the one you have. What temp do you usually run at? And do you happen to know what the lowest normal operating temp we should be running at? Thanks again

I run about 50° above ambient temp unloaded on the highway. I am unsure what the temp should be
zach1990 Senior Enthusiast

zach1990

Posted
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I run about 50° above ambient temp unloaded on the highway. I am unsure what the temp should be

I run roughly 120 degrees above ambient temperature

 

Sent from my LG-D800 using Tapatalk

xXZ-71Xx Enthusiast

xXZ-71Xx

Posted
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Ok thanks, It sounds like maybe I should think about covering it in the winter and I should make fixing the trans temp gauge a higher priority.

Chris Senior Enthusiast

Chris

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Ok thanks, It sounds like maybe I should think about covering it in the winter and I should make fixing the trans temp gauge a higher priority.

Zip tie cardboard to it in winter.
Jsdirt Senior Enthusiast

Jsdirt

Posted
Posted

I don't think you can run a tranny TOO cool - the cooler, the better.

 

My Silverado 1500 is 100% stock with the HD towing package. Normally runs about 80° to 100° over ambient unloaded, and 100° to 120° towing - will hit the upper end of that on long hills in summer. 215° was the highest I have ever seen on a 93° day pulling 6k lbs up a 12% grade at 45mph for a few miles. Even the engine temp came off 210° and started nudging up. As soon as I crested the hill, the temps all dropped like a rock.

 

I might want to grab that same cooler you got there at some point. Not sure I want to deal with AN fittings though. I like to keep it simple.

xXZ-71Xx Enthusiast

xXZ-71Xx

Posted
  • Author
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I don't think you can run a tranny TOO cool - the cooler, the better.

 

My Silverado 1500 is 100% stock with the HD towing package. Normally runs about 80° to 100° over ambient unloaded, and 100° to 120° towing - will hit the upper end of that on long hills in summer. 215° was the highest I have ever seen on a 93° day pulling 6k lbs up a 12% grade at 45mph for a few miles. Even the engine temp came off 210° and started nudging up. As soon as I crested the hill, the temps all dropped like a rock.

 

I might want to grab that same cooler you got there at some point. Not sure I want to deal with AN fittings though. I like to keep it simple.

From what I have been reading you need it to get warm enough for the torque converter to lockup and you want it to get warm enough to evaporate any moisture in the trans but other than that the colder the better. I'm not sure what mine gets to because one truck doesn't have the gauge and the other isn't working. I think I read it has to reach 68 f before the converter locks up and if mine is like Chris's and runs 50 f above ambient my converter won't ever lockup on cold days. But I will just cover it in the winter if that is the case. You could always use an adapter to from the AN to the type of fitting you want.

Chris Senior Enthusiast

Chris

Posted
Posted

From what I have been reading you need it to get warm enough for the torque converter to lockup and you want it to get warm enough to evaporate any moisture in the trans but other than that the colder the better. I'm not sure what mine gets to because one truck doesn't have the gauge and the other isn't working. I think I read it has to reach 68 f before the converter locks up and if mine is like Chris's and runs 50 f above ambient my converter won't ever lockup on cold days. But I will just cover it in the winter if that is the case. You could always use an adapter to from the AN to the type of fitting you want.

I probablylive in a different climate, but i have not had mine lower than 95° from prolonged operation even at 30°
xXZ-71Xx Enthusiast

xXZ-71Xx

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I probablylive in a different climate, but i have not had mine lower than 95° from prolonged operation even at 30°

It gets to below zero here quite a bit but covering it in the winter should let it warm up enough. I also saw some thermostats but the lowest one I can find is 165 f....If I could find one with a little lower temp then that would be ideal I would think.

Jsdirt Senior Enthusiast

Jsdirt

Posted
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With coolant, these OBD-II vehicles will throw a light with anything too far below OEM temperature - all emissions related. :rolleyes:

kstruckcountry Senior Enthusiast

kstruckcountry

Posted
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It gets to below zero here quite a bit but covering it in the winter should let it warm up enough. I also saw some thermostats but the lowest one I can find is 165 f....If I could find one with a little lower temp then that would be ideal I would think.

There's no reason to go lower... all you'll notice is it takes longer to warm up. Your pickup knows what temp it likes and will keep it there.

 

Ambient +90F seems to be the norm for an unloaded trans temp.

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