Automatic fluid exchange - Toyota Yaris Forums

YarisSedan · 11-22-2010, 11:56 PM

From what Ive heard about the new world standard atf fluid is your not supose to mix it with old fluid. It must be 100 pecent removed and replaced with brand new which can only be done with a transmission flush machine. Simply dropping the pan will only remove about 3 quarts. What about the torque converter or the radiator and cooler lines? Ive used a flush machine on many toyotas that you would get only 3quarts out draining the pan but the machine will take out 13 quarts. So your simply diluting. Its like doing a oil change but removing only removing a quart of oil and refilling it back up.

Klink10 · 11-23-2010, 10:12 AM

Quote:

Originally Posted by YarisSedan

From what Ive heard about the new world standard atf fluid is your not supose to mix it with old fluid. It must be 100 pecent removed and replaced with brand new which can only be done with a transmission flush machine. Simply dropping the pan will only remove about 3 quarts. What about the torque converter or the radiator and cooler lines? Ive used a flush machine on many toyotas that you would get only 3quarts out draining the pan but the machine will take out 13 quarts. So your simply diluting. Its like doing a oil change but removing only removing a quart of oil and refilling it back up.

You are correct. I do plan on dumping pan and changing filter then flush and fill the remainder.

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11-22-2010, 11:56 PM	#1
YarisSedan Drives: 08 Yaris Sedan Join Date: Oct 2008 Location: California - Bay Area Posts: 2,773	From what Ive heard about the new world standard atf fluid is your not supose to mix it with old fluid. It must be 100 pecent removed and replaced with brand new which can only be done with a transmission flush machine. Simply dropping the pan will only remove about 3 quarts. What about the torque converter or the radiator and cooler lines? Ive used a flush machine on many toyotas that you would get only 3quarts out draining the pan but the machine will take out 13 quarts. So your simply diluting. Its like doing a oil change but removing only removing a quart of oil and refilling it back up.