Vibration in the front end

Hi - I am Dave, contributing to RepairPal and providing expert advice since 2010. The hard part of your question is the "sometimes" part. I have a hard time trying to imagine what kind of vibration and noise could be intermittent. Either it's there or it isn't, in my experience; coming and going for vibration and noise would be unusual. The best thing to do is demonstrate the concern to a technician at a shop near you. A good technician is trained to be able to figure out things like this. They have experience in duplicating concerns, and knowing what they are feeling based off of their technical and mechanical knowledge. So, yes, I wish I could share more, but it turns out getting some first hand help near you is the best choice. https://repairpal.com/auto-repair-near-me Click the link to find some shops near you who can help out!