when turning makes lot of squeeking noise

I have 2002 envoy with 21550 miles. I only use my car in the weekend. When I press the gas it makes squeeking noise but when Im turning the noise get very loud and its very anuoying. I changed the belt and belt adjuster and the gmc dealer changed my alternater too but after a week the noise came back. can somebody please help. Thank you

Well could be alot of thinks from work not beingn done ? If you take it to a garage or if don by self ? Mabe faulty part? Still bad belt? Good luck keep us posted?

try adjusting your hood stops