So with the slow drain and fill method, the old and new fluids won’t mix together in the process? I just drain until the flow slows and then add some new, and more old will be pushed out and repeat?

It has 176,000 miles on it. It's kind of embarrassing but I think I only changed the trans fluid once, if that. The color is a goldish clear, but not black. Is there any chance this could be fixed with a trans fluid flush and change or would you say I caused permanent damage with my lack of maintena...

When I start driving from a stop, my 2009 vibe 1.8L (automatic transmission) hesitates and then harshly shifts into second gear. It also sometimes shifts hard back into 2nd or 3rd when I stomp on the gas while driving. I've been driving it like this for quite a while. The transmission fluid looks cl...