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aheuerman

  1. 2011 Silverado 5.3L v4 rattling noise problem

    Quote Originally Posted by aheuerman View Post
    I also have a 2011 Silverado with the 5.3L. Every time it kicks down into v4 mode it creates a rattling noise that is especially apparent when driving slow between 15-25 mph. The noise started on my vehicle when it had around 6,000 miles, its currently around 11,000 miles. It sounded like something attached to the exhaust wasn't bolted up tightly and it was vibrating back and forth. When I took it in to the dealership they told me there is a pully system that changes the truck from v8 to v4
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