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Tranny over heating while towing

Grumpy Tooch

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LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

Yes, it will fit like a stock auxiliary cooler. If you get the reducers that chawkins6789 mentioned, and then hook up the quick disconnect fittings from the stock cooler onto those, and then it hooks up exactly like stock (just need to customize a few brackets to mount it). I wish I would have gone this route instead. Here's a link to someone who installed one on another forum:

 

http://www.performancetrucks.net/forums/gm-drivetrain-suspension-22/new-tranny-cooler-install-b-m-70266-a-467897/

 

Hopefully I don't get in trouble for posting a link to another forum...

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Chris Senior Enthusiast

Chris

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I'll allow it. You aren't selling or showing us Russian porn sites.

 

 

When I was making that list I had my truck in mind so some extra pieces were needed because I sidnr have option KNP from the factory. After my first big tow I got a cooler

 

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LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

I'll allow it. You aren't selling or showing us Russian porn sites.

 

 

When I was making that list I had my truck in mind so some extra pieces were needed because I sidnr have option KNP from the factory. After my first big tow I got a cooler

 

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I like how you used hydraulic line when you installed your most current cooler. Just noticed it when I was looking back on this topic. How much did all that line cost to get made? The stock setup goes from trans. to cooler to radiator. I feel like how you ran it (trans, radiator, cooler) keeps temps. cooler, just because the coolant doesn't heat it up on the way back to the trans.

Chris Senior Enthusiast

Chris

Posted
Posted

It runs from trans output(bottom line) to bottom radiator port.

Out of the top radiator port to bottom cooler fitting

Top trans fitting to the trans input(top line).

It runs through the cooler built in the radiator first. As for cash. I paid $400 for the hydraulic work. That includes removing old line and cooler, and all hoses made and the random fittings needed



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Chris Senior Enthusiast

Chris

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Always run through radiator first.

 

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LongrangeLauber Senior Enthusiast

LongrangeLauber

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Posted

I can run the lines myself, just wanted to find out the price point of custom hydraulic lines. And I just have it set up like it came from factory (trans, cooler, radiator). I'm pretty sure that's how it is ran. I haven't messed with it yet, but i might if I put in a 6.0 and built tranny

Chris Senior Enthusiast

Chris

Posted
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I did drop in a 6.0 and still set up in factory routing.

 

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LongrangeLauber Senior Enthusiast

LongrangeLauber

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Oh OK I gotcha. I wasn't sure which line on the tranny was output or input. I just ran them until they looked right haha

Chris Senior Enthusiast

Chris

Posted
Posted

Bottom port of tranny goes to bottom port of radiator. That is the fluid hot line

 

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Grumpy Tooch Enthusiast

Grumpy Tooch

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Shouldn't you have the output line from cooler on the bottom to avoid air pockets?

I read that somewhere

Chris Senior Enthusiast

Chris

Posted
Posted

This was how the hydro guy recommended it, but he also builds racecars. Also my fluid passes across that cooler twice. So it has to build to get to that top output level. The longer its in there the cooler it can get.

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Chris Senior Enthusiast

Chris

Posted
Posted

I can run the lines myself, just wanted to find out the price point of custom hydraulic lines. And I just have it set up like it came from factory (trans, cooler, radiator). I'm pretty sure that's how it is ran. I haven't messed with it yet, but i might if I put in a 6.0 and built tranny

 

Go to your local hydraulic shop and ask for the price per foot or bulk price. You will need like 20 ft of -6 line. Teflon or rubber is up to you. I went Teflon with crimp fittings so I spent more. You will also need adapters.

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