Porsche The Porsche 911 Carrera Service Manual: 1984-1989 is a thorough resource containing repair information and specifications for 1984-1989 Porsche 911 Carrera models. It is designed to be easy to understand and follow, offering practical explanations, step-by-step procedures, and precise specifications. Whether you are a professional or a Porsche owner looking to do your own repairs, this manual will assist you in maintaining and servicing your 911 Carrera.