Hillsborough Transmission And Auto Service is conveniently located in Hillsborough,NJ. Our shop is staffed with expert technicians who provide quality repair and maintenance service. Call or email us to set up an appointment today. Hillsborough Transmission And Auto Service is conveniently located in Hillsborough,NJ. Our shop is staffed with expert technicians who provide quality repair and maintenance service. Call or email us to set up an appointment today.