Changing the ATF in an auto box.
Having just had my Mondeo II auto gearbox rebuilt/repaired I have taken a greater interest in having the ATF changed at an appropriate time in the future.
RTFM etc and it would appear that undoing the drain plug and replacing what flows only achieves changing half the ATF as the othe half stays in the clever bits.
Two option for changing all the ATF appear to be
1. Disconnect the correct pipe, run the engine while continuously topping up as the old ATF is pumped into a sump tray.
Looks simple on Youtube .... but not for me
2. Have it connect it up to a some sort of kit that collects the duff stuff and replaces it with good stuff. I have not explored this method but I do like HJs description into todays DT " a dialysis process"
Has anyone had experience of 2. and if so any observations?
Cost of this ? The ATF price alone for mine seems to be £50+
If the box is not "sealed for life" do dealers usually do a half change?
My manual says change every 30K.
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Auto box- ATF dialysis ? new
Auto box- ATF dialysis ? new