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Thread: Speedometer and Tachometer needle sticking.

  1. 12-27-2013, 04:39 AM #1
    bliebler
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    Speedometer and Tachometer needle sticking.

    About a year ago, on occasion after sitting for a week, my speedometer needle would stick until I would reach about 25 MPH. If I taped the glass it would immediately register. Now my tach needle sticks until I tap the glass and then will respond accurately. I have checked speedometer cable and all electrical connections on tack, MSD and points. If I pull out tach at idle and move it around a bit while checking connections nothing happens until I tap on the glass.
    Any ideas.
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  2. 12-27-2013, 06:04 AM #2
    M_deJong
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    It is the gauge itself. Dry/ sticky/old lubrication inside on the bearings the needle shaft rotates on.
    Mike de Jong | '71 911T/E 2.4 Tangerine | '74 911S 3.2 Ice Green
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  3. 12-27-2013, 07:05 AM #3
    gsjohnson
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    My oil pressure gauge does the same thing when first started. A tap on the glass gets her working.
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