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john navrkal
john ... 5/30/2011
1980 Mercury Marquis Base 8Cyl5.8L - Body & Interior
headlight covers wont go down
the select year cat. only went down to 1980. My car is a 1975 Marquis w/ modified 357-400 ci. I dont know if its related but the ac pully is bad so I disconected it Also what are the things that opperate the auto headligt covers called? knowbody seems to know. Are they hydrolic or gnumatic?
1 Answer
  • Bill
    Bill 5/30/2011
    There should be a bypass valve in which will keep covers in open position, but to answer your question, they should be vacuum operated,thus a small crack or hole in hoses will dramatically effect them operating properly.
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    Bill
    john navrkal 5/30/2011
    How is it powered? Electic motor or a vacume hose from the pully system.
    Bill
    Bill 5/31/2011
    No pulleys no electric motor. just bellow container and mechanical switch
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