Donnie, I think you did a "Gotcha". 19mm for the little allen screw that keeps the rotor in place on the spindle...Maybe the caliper retainer bolts. Thought that fellow was a little 5mm hex drive.

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Jeff Lawrence
1989 300e
2000 Dodge Grand Caravan SE
No matter what you fix, there will always be something else to fix..
"Warranty" is just another way of postponing the inevitable.