Question about 1999 Toyota Corolla

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Humming Noise in the gear box

We are hearing the, humming noise, in the gear box

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  • james kilgore
    james kilgore May 11, 2010

    if its not low on oil its got a bearing going out

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More than likely a worn bearing in your gear box, if it is every gear i would say input shaft bearing or output shaft bearing, unless it is while the car is stationary then depress your foot on the clutch if it goes away the its the thrust bearing in the clutch, also could be the spiggot bearing which will humm with car stationary clutch in or out. hope i have helped.

Posted on May 16, 2009

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Posted on Jan 02, 2017

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Too much heal or toe on the gear mesh will cause a decel whine or an accel whine. May just need to reset the tolerances on the gears.May be best to have a reputable shop check and reset the gear backlash and pattern. This is not much af a DIY type project unless you are experienced at doing gear work.

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