05 Chevy Crew cab

i hear a noise when i am going 30 mph and i really dont know what it is or were it is coming from i was thinking that it was the transmission but my brother told me that it wasn't that it is some where in the engine compartment

greasemykey

iTrader: (5)

type of noise? driving straight? turning? over bumps? a bit more info would help us help you out more

05 Chevy Crew cab

when im going straight down the streerts

05 Chevy Crew cab

its like a whinning noise

14psisupra

iTrader: (1)

Stock gears?

05 Chevy Crew cab

Yeah it's stock gears... But I just took it to a mechanic and said that it might be the wheel barings

DR132

wheel bearings are likely...does the noise change when you turn? does it seem to change pitch with your speed?

Gadgetized

iTrader: (9)

Kill the engine and coast down the road to eliminate the engine compartment noise, and help you find where it is coming from. A wheel bearing will of change when swerving side to side. Just be careful, you won't have power brakes.