Mobil 1 Lube Express Duncan is delighted to provide skilled, informed, and Certified Specialist of Automobiles with equipped workforce. Mobil 1 Lube Express Duncan is a Certified Specialist mechanic, in both the automotive oil change and Automatic transmission flush and total fluid replacement fields. John Graham has 20 years of experience in Radiator Flush, and Coolant Replacement holds as owner also operator of Mobil 1 Lube Express Duncan.