Goerend Transmission » ATSG

The Automatic Transmission Service Group is the transmission industry’s leading authority on technical support and repair information. With ATSG's over-the-phone diagnosis and repair guidance by expert techs, hundreds of manuals and tech guides, and newly expanded Tech Library, ATSG is ready to help you tackle any transmission job big or small. The priority of ATSG is to focus on how we can better serve the automatic transmission shop and total car care of shop owners, their employees, and technical professionals by providing unmatched technical support, continuous updated tech content, and membership enhancements. We turn problems into solutions to save our members time and money to help them get their customers in and out of their shop fully satisfied.