• Phone: (740)-775-5911
  • Hours: Mon - Fri - 8:00 a.m. - 5:00p.m.
  • Address: 18820 US 50
  • Chillicothe, OH 45601


  • AC Delco Professional Service Center
  • AC Delco Parts Supplier
  • Complete oil change and service.
  • “Check Engine” light diagnostic analysis
  • MotoVac Fuel injection service
  • Complete brake repair and service
  • Engine Tune-up’s, Timing Belts, Water Pumps, Gaskets, Belts and hoses
  • State of the art factory diagnostic equipment
  • Clutch repair and replacement
  • Battery testing and replacement
  • Drivetrain Repair
  • Engine & Transmission Replacement offering factory & Jasper equipment
  • Complete Suspension and Chassis repair
  • Trans Tech II Transmission Fluid Service
  • Electrical Systems Analysis and Repair
  • Domestic Computer Flash Programming ( Security & Key Programming)


Read what our customers have to say about our service.

“ My experience with JMH Auto Service has always been excellent! They are quick to finish repairs, and their prices have consistently been better than their competitors. Mark has been great to work around my schedule when I've needed to drop my cars off and pick them up at odd hours too. I would recommend JMH Auto Service to everyone! ”

- Matthew Brookes

“ I'm not a mechanic and I hate car trouble! JMH Auto Services has always been the service I can trust; fixing my problem the first time and explaining it in a way I can understand. They always have the customer in mind. Two thumbs up! ”

- Jordan Purpero

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