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coolant cap

  1. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hi everyone - I have an '07 Aero Wagon, which is telling me that Coolant is low. Feels like this is not uncommon. I'd love to do the most obvious thing, which is to take the cap off and check the coolant level, however I can't get the #$(*&#$ thing off. The car is cool, and there doesn't...