[hcoles]

I recently replaced the idler and pitman arms on my Tahoe. The nuts were what is called prevailing torque type. They are upset metal and not nyloc. I'm not a huge fan of nyloc nuts after the Reno air race incident. Especially reusing them.
I feel for you, I'm more likely to forget things during a project and have to double check/triple check. The other day I changed the oil - let the car off the jack/etc. and then realized I forgot to change the filter. Never done that before.