Tags: 727 Transmission, Dodge RV Transmission, transmission cooler
OK, I called 3 different mechanics, one in MT, one in St Louis, and a local one who has done a couple of repairs for us. The one in MT always bypasses the radiator unless the owners wants the radiator left in. The one in AR always cuts in the extra cooler into the return line from the radiator. The one in MO has done it both ways and over the years has seen no difference in tranny failures. So he leaves it up to the customer and if they cannot make a choice goes the easier route of cutting the cooler into the return line from the radiator. I was a little surprised that the one in MT would cut out the radiator entirely in such cold climate but as he pointed out most trailers are pulled in the summer, and it has minimal effect on the temp of the tranny that the cold weather is not a problem.
I do not have a transmission fluid temp gauge, but it would be interesting to know the before and after effect of bypassing the radiator.
Anyway, there you have it, 3 mechanics and basically 3 different ways of doing the transmission cooler.
Trans oil temp is a lot hotter then water temp so rad cooler will keep trans oil at water temp with no damage to trans if you are pulling a trailer behind then extra cooler is good idea
The factory trans cooler in rad will cool trans oil to water temp but if your pulling heavy load extra cooler is a good plan all factory trans are cooled from rad
I am sorry Lakota, I do not understand what you are trying to say about the radiator and tranny cooling/warming.
Thanks Lakota, that helps my understanding. Yes I well remember carbs and the need to warm up, if nothing else our 87 MH brought back all those memories. LOL
Don't panic. the 727's where know to FLOAT when rpms are to low for one gear and.to high for the next. I experienced that a few times and.trans tech said that's a fluke that the 727's had. And like mentioned. a tans cooler and oil cooler will make a difference .
If throttle pressure rod is adjusted at specs this will not happen I have An a727 with 440 and after doing adjustments the prob never happend again
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