Quote:
Originally Posted by dparm
Interesting. I'd be surprised if they did lie to me, as they are pretty reputable bunch of guys.
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They likely
did not lie. You both are looking at the wrong filter.
Part #6 in the RealOEM diagram is the suction filter (before the pump) and the one that will have the major accumulation of wear material like friction material, bearings, bushings, and metal from the clutch steel plates.
Part #6 sits in the bottom on the oil pan and is the one you should change.
Part #8 is the pressure filter and is after the pump. The mechatronics module that controls the oil pressure for shifting is sensitive to particle contamination because there are small oil control orifices. IF the hydraulic pump were to self destruct the pressure filter might save the mechatronics module from needing replacement. To change the mechatronics module would probably require removing the transmission.
Hope this makes your filter change easier and helps at the parts counter getting the correct part.
