Thanks GoMog for your help here. I was able to change the fluid without incident. The old fluid was a very dark, cloudy red.
https://flic.kr/p/2pfsuaNThe magnetic end of the plug had picked up quite a bit of steel filings - doings its job.
https://flic.kr/p/2pfmfGFJust putting the finishing touches on the bushings replacement and looking forward to driving her again.
Once again a big thank you to you and all those that have provided input.
David