2006 4.2L Manual Trans.

Seems as the "fork" isnt disengaging all the way. only when its under 25 degrees F.

Proper bleeding procedure if there is one for the clutch??

Hoping not to have to replace slave cylinder.

Have you checked the fluid level in your clutch master cylinder? Don't forget to remove that rubber cup(diaphram) under the cap when checking or adding fluid. I believe these still take dot 3 brake fluid, but check your owners manual.

As far as bleeding, I like to just gravity bleed them. Open the bleeder screw down on the master cylinder and let the fluid flow. Leave the top and diaphram off the master cylinder during the bleeding so you don't create a vacuum lock. Never let the master cylinder go dry during the procedure. Let about 12 ounces of fluid flow through, again never letting the master cylinder go dry, close up the bleeder screw, top up the master cylinder to the correct level and replace the diaphram and cap.

Could be a slave or through-out bearing. Sounds like you need a slave... sorry.