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Re: 2000 sierra 5.3l intake hissing sound?
Posted to Technical Discussion Forum on 11/14/2003 3 Replies

is the noise very bad?

and have you compared it to another vehicle with the same engine?

I ask because We see that complaint all the time but it is not very noticeable (Windows up radio off a/c off etc.) If this is the case it is normal however there is a ... Login to read more.

3 Replies Received (View Replies)