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Thread: Knob problem

  1. #1
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    Default Knob problem

    Hello,

    I got a problem with push-buttons switching radio (CDR 2005) on-off and regulating fan speed. Sometimes they work but often I had to push them 10-20 times to get radio off or reach air distribution settings. Is it possible it may be some bad ground connection? Or are the switches repairable?

    Regards,

    Vello

  2. #2
    Regular Member macdad's Avatar
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    Default

    Spray them with some electrical contact cleaner bud,not wd40 though.

  3. #3
    Full Member Robsey's Avatar
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    Vehicle InfoStats

    Vehicle : Vectra C

    Trim : Energy

    Engine : Z19DTH

    Year : 2005

    Mileage : 131,000

    Default

    It is not unknown for some of the earlier radios to develop problems with "dry" solder joints.

    It may be necessary to look at the solder joints in the radio facia panel...
    If the solder looks dirty or dull, then the joints may need re doing.

    Solder suck the dirty solder off, and replace with clean solder.

    Other than this, just check the contact pads on the circuit board and within the knobs for wear, breakage and general dirt

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