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adrian198 · Feb 14th, 2020, 22:25

Hello all,

my 2005 XC90 with the Aisin AW55-50 5-speed ATF has covered about 396000 KM (248.000 miles) and I recently checked the ATF fluid dipstick...

The fluid was black and it smelled like ass and Im sure the oil hasnt been changed in a long time, maybe 300.000 km. Should I maybe change it? I have read stories on other forums on how doing a flush would cause the transmission to fail, so im a bit worried...

Maybe do a "soft" flush? Meaning opening the drain plug, put some new oil in, and then after a while do the same procedure again?

cheers, Adrian

Feb 14th, 2020, 22:25	#1
adrian198 Junior Member Last Online: Nov 21st, 2023 14:06 Join Date: Sep 2019 Location: Copenhagen	Should I change the ATF fluid? Hello all, my 2005 XC90 with the Aisin AW55-50 5-speed ATF has covered about 396000 KM (248.000 miles) and I recently checked the ATF fluid dipstick... The fluid was black and it smelled like ass and Im sure the oil hasnt been changed in a long time, maybe 300.000 km. Should I maybe change it? I have read stories on other forums on how doing a flush would cause the transmission to fail, so im a bit worried... Maybe do a "soft" flush? Meaning opening the drain plug, put some new oil in, and then after a while do the same procedure again? cheers, Adrian