[jnasr]

Hi, all.
I have an annoying buzzing sound coming from the rear of my truck. Its sound like its coming from the exhaust, but the mechanic told me everything was fine. Its driving me insaneee!!!

This sound only happens when im driving up a hill, stoping, letting of on the gas. But while im driving the noise doesn't make a sound.

Someone please help me to try and figure out this problem.

Thanks

 

[jnasr]

Can anyone offer me a solution?? ideas??

 

[qx4'n]

Sounds like my 98 QX4. Check your exhaust. It may be a cracked pipe or hole. I have a flex pipe on my exhaust that went bad and is starting to rust off the exhaust. Makes my truck almost sound like I don't have a muffler. I put duct tape around it so it adhered to the exhaust and it sounded like a brand new truck w/stock exhaust while idling. Gonna take it to a shop to get a new fitting welded on.