07 Camry XLE Humming
Our car is producing a loud but low
toned humming/buzzing sound. We
replaced all 4 bearings and the sound is
still present. We also have a small hole
in our exhaust. From the outside, it
sounds like a go-cart. Could the
exhaust be creating the sound we hear
on the inside? And are there any other
parts on the vehicle that could create
such a sound?
I would get the exhaust fixed first and you might be able to pinpoint the area of the humming much better and or it might go away.
It is possible that the exhaust is making the humming noise, as suggested by my friend Tom, get it fixed.
What I would suggest is to try to isolate the noise. Do you hear this noise when the engine is idling and the vehicle is not moving? Driving down the road when the noise is loudest...what gear are you in? What happens if you carefully slip the Tranny into Neutral and let her coast? Does the noise change upon acceleration the decel? If you think the noise is coming from the exhaust system...the noise should change pitch upon accel...then decel.
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