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Old 07-23-2016, 11:09 AM   #11
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WTG, turf!
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Old 07-25-2016, 05:50 PM   #12
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Good job Turf I hope it solves the problems you have been having with the transmission.
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Old 08-15-2016, 03:01 AM   #13
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the transmission cooler got its first real trial this last weekend with a camping trip with the atv in tow again.

the difference with the cooler was impressive. its the best money i've spent on the bus to date.

when i decided to install the cooler, i traveled Monarch pass which is on US-50. it's a 10 mile 6-7% grade. by the time i got to the top, the bus was reduced to barely making 5mph and lots of unusual noises coming from the transmission. the kinda thing that causes ulcers and/or hoping the tow truck is nearby so you not stuck too darn long.

i made the same trip this weekend over Monarch pass with a much better time. the cooler gives the truck noticeably more power. i did the same grade with the speedo never dropping below 30mph. the truck accelerated on downshifts, it had adequate power climbing, felt strong and changed my ulcer to a smile. no slipping, no noises..... just power to keep on going.

i wish i had done this sooner!!


i picked up 3 gallons of the TES295 fluid. i wanted to climb the pass first and see what the cooler did before i did a partial change of the fluid. but im going to drain and fill the with the good stuff and hope for the best.
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Old 02-11-2017, 09:32 AM   #14
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Turf, thanks for doing my homework in this. I need to do the same thing. Do you know temps you are getting? I need to get a gauge, but I need an idea of what range Id be in with temps. Also, which is the return line in the AT545?
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Old 02-11-2017, 09:45 AM   #15
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I have a temp gauge in my RedByrd and thus far with the stock cooling on that short bus my AT545 pan temperature has never gone above 150 degrees F

-Christopher
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Old 02-11-2017, 02:10 PM   #16
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IIRC the return line comes into the transmission filter. find the spin on filter and follow that hose. the AT545 filters the fluid as it returns to transmission. i think the fluid out line is on the other side.

i havent had a temp gauge connected yet, but i have it waiting to be connected. when i get my exhaust and turbo back on, i got 3 new gauges- tach, trans temp and egt. the TES fluid is still waiting too
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Old 07-13-2017, 03:51 PM   #17
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Update:
after adding on trans temp gauges and running this summer, i am going to re-plumb the transmission cooler.

Eliot was right at the begging of the thread. the temperatures i get in the line of the trans cooler are well below operating temperature. i'm lucky if it makes it to 150*.

the new route will come from the transmission to the new cooler first and then back into the original intercooler and return back to the transmission. i'll be more comfortable if the temps get closer to 180-190.
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Old 07-14-2017, 03:19 PM   #18
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Quote:
Originally Posted by turf View Post
... ...
Elliot was right...
... ...
If I were in a cantankerous mood today, I'd make a wisecrack -- or six.
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Old 07-14-2017, 03:54 PM   #19
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Elliot, Booyah, and Jatzy all said so.

i should have listened.

in the heat of the summer, the trans temp gauge barely budged off of the bottom of the gauge.

im not sure the gauge will read much different if i leave it where it is (the exit of the new cooler), but at least the fluid will head back through the intercooler to warm up. maybe i can find a better spot for the temp sensor as i install the AT1545.

i apologize about doubting the experts
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Old 07-14-2017, 04:09 PM   #20
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rather than use the engine heat, what if you put in a thermostatic trans cooler valve.. if theres no fluid going to the cooler it will likely warm up even in winter.. and in summer you wont be adding heat to your cooling system.

something like https://derale.com/products/fluid-co...-chrome-detail
-Christopher
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