I have checked tie rod ends, engine and transmission mounts. The drive axles are not losing any grease and appear to be tight. The vibration goes away when you let up on the accelerator.
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2000 Oldsmobile Silhouette Question: What would cause a vibration in front end around 55 mph while accelerating?
TRY ROTATING YOU TIRES 1ST IF THAT DOESN'T HELP HAVE THEM BAL AT A TIRE SHOP.( SPIN BAL ONLY)GOOD PLACE TO START