Poston Motor Company is an auto repair shop located in Cumming, Georgia that specializes in all repairs such as Preventative Maintenance, Electrical Repair, Heat/Air, Engine Repair/Replacement, Diesel Engine Repair, Transmission Repair/Replacement, Lighting, Drivability, Check Engine Lights, Timing Belt & chains, Brakes and Suspension. Our work is guaranteed for at least 12 months or 12,000 miles