Guaranteed Transmission Service is the premier transmission and auto repair shop in Lafayette, Indiana. We are a local, family owned and operated business dedicated to providing complete car repair, preventative vehicle maintenance services, transmission repair and fleet services to Lafayette and the surrounding communities since 1983! Through our reputation of quality repair services and customer care, we have grown to be one of the largest independent auto repair centers in the state. But no matter how large our facility gets, we will always be a family auto care center, putting our customers' happiness first!. Transmission-Repairs-Automobiles & Trucks-Free Inspections