If it is not too rusty, you clamp onto the u shaped bracket with a vice grip and pull away and twist 90 degrees. Then (theoretically) it should come out. YOu may have to wiggle it back and forth to get it out. It is a snug fit.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.