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ATF in hydrapower is milky

M

Married2Allis

Well-known Member
I recently changed the 1650D 2-speed fluid and put in Dextron III ATF -- I over filled it and forgot to correct it (note to self ;->). Brush-hogged for a few hours or so and was in direct drive the whole time. Afterward remembered that I had over filled it, so I went to drain the excess ATF and it was emulsified - 100% milky like a rasberry smoothie. I drained the antifreeze out last month and have been running soft water only with a flushing agent to clean out the cooling system. Does this mean the heat exchanger is leaking water into the hydrapower? Did overfilling the ATF cause this? - thanks.
 
Give it some time to settle, it may have just foamed up from being overfilled.

Also, I used Thoro Flush in my cooling system recently and the bottle said not to leave it in for more than 10 minutes at operating temperature.
 
I hope that the heat is reason (with no internal damage) and not a leak in the cooler. That would also seem to prove that the 2-speed makes heat even in direct drive. Also, to test the cooler I guess I could just disconnect the coolant hoses and see if the ATF spews out ? I am getting some oil in my radiator too.
 
Several years ago I had a 1550 with a red tinge to the radiator ring below the cap. Upon further investigations I found that the 2-speed cooler
had a crack in it. I drained the radiator, because the antifreeze was foaming too. I got down to the bottom of the radiator and drained about 3
quarts of Dexron out. I had the radiator steamed and tested. It came back fine. I ordered a good 2-speed cooler from a reputable tractor
wrecker yard, installed and tested for leaks with low air pressure. That came back out OK, so I filled the 2-sped with new Dexron and went on
my merry way. I have since sold the 1550, but it was doing good when it went down the road.
 
I know as I'd a few years ago New ones were available through a surplus seller online. I forget which one, but the price was reasonable and then it was a brand new cooler exactly like what if on the hydra power units.

Donovan from Wisconsin
 
The hydropower is actually running a higher pressure in direct. The high pressure activates the direct clutch. That would cause fluid to run hotter than in underdrive.
 
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