[GTP Dad]

To answer Tlgsteve's question I am not an advocate of the transmission flush due to the fact that most of the transmissions that members on this forum have been flushed go bad in less than 20K miles after the flush. As xeroinfinity said the flush washes the clutch faces to the point where the friction material is no longer an effective material and the transmission slips and often fails. In a low mileage transmission the wear isn't as severe as a high mileage one and therefore the clutches aren't as subject to the damage as higher mileage ones therefore the flush on this particular transmission is not as damaging.

When you have a transmission that has been sitting for as long as this one was the only way to remove the gum formed by the old fluid was to flush the transmission. I hope this answers your question!