At Transmission Rescue, LLC is a veteran-owned transmission service provider located in Derby, Kansas, serving the Wichita area. We specialize in rebuilding and installing GM 6-speed and 8-speed automatic transmissions, including 6L80, 6L90, and 8L90 units. Our services are designed for vehicles experiencing slipping, harsh shifting, delayed engagement, or transmission failure. Each rebuild is completed using quality upgraded internal components to improve durability and performance. We offer both carry-out transmission units and professional installation services, along with warranty coverage for added confidence. Our goal is to restore reliable operation and keep your vehicle performing smoothly.