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huming noise = intake noise?

Discussion in '1st Gen. Tacomas (1995-2004)' started by ywen, May 6, 2010.

  1. May 6, 2010 at 8:09 AM

    ywen [OP] Well-Known Member

    Nov 28, 2009
    Over certain speed ranges: around 40mph, around 63mph, I can hear this huming noise that sounds like it's from the exhaust or intake.. it would go away when speeding up past that speed range, or by letting go off the gas. Anyone know what I'm talking about? What is that noise?

    I recall this hum seemed to have gone away or quieter immediately after I greased by zerks so I guess it could have something to do with the driveline, but that doesn't explain the noise going away when letting off the gas.

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