I completed the halfshaft bolt replacement today. Really a pretty straight-forward and simple job with two people, although I probably could have accomplished it on my own if I had to. I had a little oil (maybe a drop) in the coupler on the right hand side, so I just used a little Permatex black high-heat gasket maker on the back side of the new washer. I did not use any of the FORD cleaner, solvent, or gasket maker. Luckily, both bolts on each side were still intact, no heads sheared off!:thumbsup Anyone who can turn a wrench should do this! I am glad I did not take it to the dealer because there are a number of parts that can be cosmetically damaged during this install, like the cats, rotors, calipers, if care is not taken. When using a screwdriver between the rotor and caliper to prevent spinning of the halfshaft, be certain to pry against the e-brake caliper, not the actual caliper as the paint will likely chip off! The e-brake calipers are not painted. After doing this once, I could do another GT in less than 2 hours. (Assuming no broken bolts) It really is fairly simple.