you may want to ignore 36's comments. he know's not of what he speaks.
it's COMMON to use a product to dewater a hyds or trans sump.
if you can pay the big $$ for commercial products.. seafoam makes a product called transtune that is for dewatering hydraulic and tranny sumps.
it relies on science.. not witchcraft that 36 must be familiar with.
here's the science:
you have water in a sump.. some of it will remain liquid water.. some of it will be emulsified.. some of that emulsion may even makie it to a stabilized emulsion and not settle out.
alcohol is a polar solvent.
water is polar.
adding alcohol to a wet hyds sump will allow the alcohol to disolve the water. Once it is disolved you have 2 things going for you.
1, it's easier to drain much of it out as it is now is 'soloution' and not suspension, plus, any that does not get drained out, is now EASIER to flash off. The alcohol and disolved water form what is called a aveotrope. the azeotrope has flash off properties lower than both constituants.. meaning water flashes off well, now.
adding the other components, like diesel or mineral spirits is done as they are a petro solvent and will thin the oil in the sump so that it will drain fastr and have less residue stuck tot he sides of the walls. also.. any thick emulsion should start disolving, again.. an aid to draining. ATF is full of detergents.. IE.. suspension agents.
all this is working towards the goal of getting stuff out of your sump.
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