[MBZ] OT: List wisdom re: Sub tranny flush

[David Brodbeck]

R A Bennell wrote:
> I would suggest that you consider doing the flush yourself. If you disconnect the tranny cooler lines you should be
> able to attach hoses onto them. Put the suction side in the container of new fluid and the pressure side into a
> container to catch the old stuff. Start her up and pump about 10 gallons through and you should have got out pretty
> well all of the old stuff. Wastes a bit of fluid but should be cheaper than having the flush done at the dealer.
>   

This only works if the "suction side" actually "sucks"!  On some cars 
there *is* no suction, they rely on pressure to push the oil through the 
cooler and back into the trans.