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Message: <blockquote data-quote="adamastone78" data-source="post: 31269" data-attributes="member: 7492">Here's an update for you!  And everyone else...The crunch and grind?  EASY FIX:  It is the upper radiator mounts/bushings.  I found a GM Service bulletin on this using ChatGPT and checked my mounts.  Sure as heck, there were signs of rubbing.  Ordered new mounts/bushings on eBay and also added BSR (buzz, squeak and rattle) tape to the back of the mounts where they mount to the car.  What is BSR tape some may ask?  Cloth wire harness tape.  Noises be gone!!!!  Chevy dealer wanted $350...  You can do it \in 10 minutes for less than $100</blockquote>