If you’re faced with one of those repairs where you think you know what’s going on but don’t know for sure, don’t start replacing parts at random, hoping to eventually fix the problem. That might work if the parts you’re replacing are cheap, but if the parts are expensive, hoping you hit the right repair isn’t a good idea.
Instead, take your car to Bloomington Chevrolet and have the service department take out the part you think it causing the problem. Have them look at it and pinpoint whether that’s really the part you need to replace. Unless you have a very good reason for suspecting a particular part, it’s best to avoid guessing.