Problem solved!!
It looks like the clogged filter was indeed the issue. It may be too soon but the short test drive showed much improvement, the rattling noise is gone and it shifts much better.
I am very thankful she did not need a transmission.
I reviewed the service manual and it indicated a clogged filter could cause it not to shift. I dropped the pan and discovered a very filthy filter with a thick layer of fine metallic grit on the pan magnets. No shavings or other debris. Unfortunately the drain plug was stripped so I had to...
Transmission woes, 1997 4.0l XJ AW4 120000 miles
My wife was driving the jeep when she noticed a plume of white smoke coming out the back and then the jeep would not shift. The check gauges light came on and the heat was just above 210 with all other gauges ok.
After cooling down for about...