Symptom Condition Solution  Vibration that increases with speed or kicks in at different speeds Excessive play in the inner or outer joints or a bent driveshaft Replace worn shaft assembly Clunking noise when engaging automatic transmission. Worn inner or outer joints. Replace worn shaft assembly. Continuous knock at low speed Indicates a worn CV joint Replace worn assembly. Continuous humming or growling noise. Inadequate lubrication on inner or outer joints (check boots for leaks). May also be worn gears or wheel bearings. Inspect CV joint - replace necessary. Clunking noise during acceleration or deceleration. Worn inboard joint or differential problem in the transaxle. replace worn shaft assembly or repair transaxle as necessary. Clicking or popping noise. Worn outer joint. Replace worn shaft assembly. Shudder while acceleration or deceleration. Worn inner CV joint. Replace worn shaft assembly. Cyclic vibration. Worn inner tripod CV joint. Replace worn shaft assembly. Copyright Raxles® Inc.