1. Wheel balancing damaged: Redo the wheels balancing and replace the deformed rim. 2. Component in the drive shaft assembly is loosen: Perform periodic inspection to the car based on maintenance schedule and tighten parts based on required torque. Replace the part which is beyond repair to prevent more losses. 3. Drive shaft assembly balancing damage: Good driving habits and avoid over use the car. 4. Absorber faulty: Maintain the car periodically and repalce the absorber on a timely manner. 5. Leaf spring rigidity inconsistent: tighten the bolts with required torque and replace the part if it is faulty. 6. Steering system component loosen due to worn out: Car driving direction deviates, car shaking/wobbling during drive.