A clutch chatter is a noise or vibration when you engage the clutch of your car or truck. This is most likely a clutch problem. Sometimes the vibration can be caused by a weak transmission mount or engine mount. Clutch noise should be looked at by a professional mechanic. The best thing to do if you are experiencing clutch chatter is schedule a FREE Clutch Performance Check, call Sergeant Clutch Discount Clutch Repair Shop in San Antonio located at 6557 Walzem Road in San Antonio, Texas 78239.