Silverado trans cooler upgrade?
I have a Silverado with a 5.3 and factory tow package. On our last trip towing the TT in near 100 degree weather, the transmission temp hit slightly over 200 a few times. Recently, while not towing ...
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I previously owned a GMC 2006 5.3 and towed a 27' TT. I would regularly go over 200 (210+) when hauling over the mountains in western Virginia. It bothered me so much that I did have an additional transmission cooler installed. It went in front of the radiator, in the lower passenger side so as to not block the radiator. I did notice a fairly big difference. When temps did get high, they dropped much quicker. I thought it was a good investment.
However, I ended up trading that truck in for my 2008 GMC diesel, which hauled that TT over the mountains like it wasn't even there.
However, I ended up trading that truck in for my 2008 GMC diesel, which hauled that TT over the mountains like it wasn't even there.
