I checked my ATF today and it was way full. Instead of being at the cold check mark (and it was definitely cold) toward the bottom of the dipstick, it was over the top of the readable area. I've heard this is muy bad for a transmission. I'm waiting on the last of the stuff I need to do a pan drop and filter change. Should I go ahead and drain some out? Will it affect how I do my pan-drop and filter change? Car is a 1994 Jag XJS 4.0L with ZF 4-speed. It's been this way since I got in in May and who knows how long before.