Thornlea Auto Services Inc. is a fully equipped shop in Thornhill, Markham area. Our licenced technicians are the specialist to domestic and import car. We deliver the honest and reliable services to our customer. We are appointed by Ministry of Environment Ontario as designed Drive Clean Test and Repair facility. When your car is driving clean. It is good for our environment and you. Your car will get better gas mileage, improved performance and an extend engine life. more... See more text