72 Wiper Door Vacuum - NCRS Discussion Boards

72 Wiper Door Vacuum

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  • John L.
    Infrequent User
    • April 1, 1999
    • 14

    72 Wiper Door Vacuum

    When I turn on the wipers the door opens immediately. When I use the manual valve it opens in about 4 seconds. It has always operated this way. I have had the car 3.5 years.
    The OPs judges tell me the door should open immediately using the manual valve. If this is correct, what should I look for in the system to correct this problem? I hope to PV the car soon so I need to get this corrected.
  • Jack H.
    Extremely Frequent Poster
    • April 1, 1990
    • 9906

    #2
    Re: 72 Wiper Door Vacuum

    Check the integrity of the under steering column over-ride switch as well as the vac line routing. The two (wiper switch and over-ride switch) are related (both feed from common vac source) but there are individual switches for the two functions as well as vac out routing paths.

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