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  1. #1

    Default Humming noise between 45-55 mph

    I noticed today that my 94' Suburban has a humm/whistle between 45 and 55. It only happens between those speeds every other speed is quite.

  2. #2
    Sr. Apprentice jmutto's Avatar
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    Dec 2008
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    Washington State
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    Default

    My guess would be tires...I've had them start making noise at certain speeds as they wore, and then stop making the noise a bit later.

    I've also had tires make noise at different speed ranges as the wear cycle continued (55-65, then 60-70, then 45-55).
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