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expansion tank hose

  1. Help! Hose on back of expansion tank?

    9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hi Guys, (This is regarding a 2006 Aero 2.8 convertible.) I am in the process of replacing the brake master cylinder and turned up a couple of mysteries. Here is the first. I have a hose on the back of the coolant expansion tank that seems to have pulled loose when I moved the tank out of the...