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OK, so I was crawling around under my 05 3500 today. Noticed something that has me wondering. The transmission return line from the radiator/cooler runs next to the exhaust down pipe. They are only 3/4 of an inch apart! With the down pipe at temps in the range of 1000, how can that keep from adding a lot of heat back to the returning trany fluid? Looks as if this would be especially true when the truck in not moving. Should there be a heat deflector between the down pipe and the trans return line to help keep the returning fluid from picking up extra heat?
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I'll have to check mine as well, I added a nice heat shield on my 95 suburban, to protect the rear heater and A/C lines above the 4" exhaust. :rolleyes:
