- Once the transmission shaft of the mechanical parts of the wear, deformation or loss of dynamic balance, the car will be driving abnormal sound and vibration. Start or rapid acceleration to hear the "Gordon" sound, and clearly show the feeling of loose parts, car owners should pay attention to, is very likely to drive shaft parts loose open. If the chassis makes a "buzzing" sound while driving, and the higher the speed, the louder the sound, the more the drive shaft should be checked. If really good, the auto repair shop to replace a transmission shaft small thousands is necessary.