Get an Full Synthetic Oil, Lube and Filter Change starting at $59.95 plus a complimentary GM Certified inspection at Dean Cooley GM!


Just drive on down to Dean Cooley GM at 1600 Main Street South in Dauphin with no appointment necessary. The Quick Lube Bays are clearly marked for your convenience. Our Quick Lube Bays are staffed with friendly GM Certified Technicians who will take care of you and your vehicle.


Once we have your vehicle in the Bay, our oil changes are completed on a first come, first service basis. Each oil, lube and filter change comes with a complimentary inspection. While you're waiting for your vehicle, sit back and relax in our service lounge. Enjoy free newspapers, Coffee, complimentary Wi-Fi and satellite TV.  If you can't hang around, take our complimentary shuttle to your desired destination and we will call you when you're vehicle is ready for pick up.


Don't forget to review your inspection sheet to see if your vehicle is in need of any other items while you are still at the dealership. Our trained professionals will be there to help you if you have any questions.Dean Cooley is a Certified GM Dealer. Here are the top things Dean Cooley's will do for your vehicle when in:
  • Change engine oil, using the recommended grade of motor oil.
  • Check and change your air filter.
  • Adjust tire pressure to manufacturer-recommended specifications.
  • Inspect wheel alignment
  • Check automatic transmission/torque converter for proper fluid levels.
Thank you for choosing Dean Cooley GM!

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