Noises in your automatic transmission can be caused by several things. The transmission noise could be something inside the transmission, or it could be something outside the transmission. Transmission noises should be checked as soon as possible. Properly operating automatic transmissions do not make any noises. A noise inside the transmission could indicate a problem. By identifying the transmission problem early could help prevent costly damage to your automatic transmission. Call the transmission specialist in San Antonio Sergeant Clutch Discount Transmission Repair Shop today 210-239-1600. Our professional transmission mechanic will perform our exclusive Automatic Transmission Performance Check for FREE and get to the root of any potential transmission problem you may be experiencing. We are located at 6557 Walzem Road in San Antonio, Texas 78239.