Quick question, what is the size of the brake bleeder screws, front and rear, for 1994 pickup 4wd 3.0?

 

Depends on a lot of variable factors.... mainly who rebuilt them last and did they put in oversized bleeders.

Why if you don't mind me asking? If your having issues you're usually better off just replacing the whole caliper.

 

Think that they are 10mm.

I use a 6 point socket on mine.

 

Trucks been sitting for awhile, cylinders and calipers aren't leaking. I was going to flush out the old dot 3. Figured I'd be prepared in case some bleeders are rusted shut.