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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
    Join Date
    Dec 2008
    Washington State


    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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