Finned Transmission Pan?

[goofyroo]

I just bought an '02 Yukon XL with 5.3 and the towing package, 95K miles light use. I pull a 7K lb. (GVWR) trailer on tour.

What I'm concerned about is transmission heat.

Have any of you used a finned transmission pan in addition to the cooler? Or, have you seen any tests proving that this helps or doesn't?

 

[JBTJ]

I'm sure it would help, but to what degree. Just be sure you replace ALL the ATF in the system more often. You may want to install a temp gauge so you can monitor the temps of the fluid to see how hot it gets.

 

[Mayhem]

What JB said, the numbers will tell you what to do. I don't think a finned pan is needed if you have proper size cooler. Worse case just add another cooler or larger one. A friend of mine rigged a system to spray a mist of water onto his when temps got too high for his liking.