Originally posted by firebush357
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This is my favorite tool when it's time to clean up metal part in preparation for painting:

Here is how I prepare the steering knuckles for painting.
1. Use old crumpled newspaper to wipe off any gooey grease (or old rags that you can throw away).
2. Separate hub from the knuckle (I use FestYboy's method) remove the bearings from the hub, remove the old disc rotor and remove the backing plate from the knuckle
3. Use an old stiff paint (or other disposable brush) to brush off as much of the caked on mixture of dirt and grease as possible.
4. Use the wire wheel to remove the remaining crud from the parts. Don't do it on a work bench.. I take mine outside on the driveway and put it on a piece of thick foam padding to prevent it from walking away. Wear a mask and safety goggles because there will be a lot of fine black dust that you dont want to breathe and you also don't want to get any pieces of wire that might come off the wheel in your eyes. I also clean the rotor and strut bolts with the wire wheel. (If you do this inside that black dust will get on every surface around).
5. For the places that I can't get to with the big wheel I use pencil wire brushes (buy these cheap from China on ebay) in my dremmel tool.
6. When all part are wire brushed, I wipe down with acetone soaked rags (be sure to wear rubber gloves or the skin on your hands will dry up and flake off). Do this outside also.. unless you want to get high on the acetone fumes.
7. Then I stuff the center with newspaper, tape off the parts I don't want to paint, hang the parts on a low dogwood tree branch and spray on a couple coats of matte black rustoleum paint and then the next day a couple of coats of black appliance epoxy paint. Then the next day I put everything back together. (I bring the parts back inside the garage and hang them there to dry between coats)
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