Buzz Noise

[KenshinLove]

I have a 2007 GMC Sierra 1500 WT 4.3L V6 with about 118,000 miles. This is my first GMC and I bought it with about 112,000 miles on it.

 

I don't know if this buzzing noise I am hearing is normal. Around 1,000 to 2,000 rpm, there is a buzzing noise and it only happens when driving. We can't get it to happen when in park.

[02suburbanZ71]

Gonna have to go on a test drive with a mechanic

For all i know its a bumblebee in your back seat[emoji219]