Best Auto Repair, Lowell



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Turn to Chelmsford Diagnostic Service for All of Your Auto Repairs & Vehicle Maintenance Needs

Chelmsford Diagnostic Service is a full-service preventive maintenance and auto repairs center in the Lowell, MA 01851 area, specializing in Car & Truck Care, Electronic Services, Electrical Services, General Services, Heating and Cooling Services, Engine & Transmission, Miscellaneous Services, Towing, Transmission Services, and Undercar Services since 1995.

Our experts have the knowledge to service and repair even the most challenging auto problems on all makes and models of domestic and import vehicles. We use the latest technology to assess the situation and offer you alternatives. We guarantee all of our work and know you'll be happy with the outcome. Stop in or give us a call at 978-453-5355 to let us know how we can help you!

Chelmsford Diagnostic Service has provided quality repair services for more than 20 years. Our experienced ASE L1 Master Technicians perform:
  • Computerized Engine Diagnostics
  • Computerized Wheel Alignments
  • Tune Ups, Shocks, Brakes, Tires, Exhaust and Electrical Repairs
  • Complete Maintenance Services at any Service Interval - You don't need the dealership and it won't void your warranty

Massachusetts Enhanced Emissions & Safety Test and Repair Facility
Your car must be inspected for safety every year and for emissions every two years. We are licensed to run these tests and repair those vehicles that fail. These tests are important to our environment and it's another reason to keep your car well maintained.

About Bill Zaher
Bill is the owner and manager and has over 30 years of automotive service experience. He is an ITT Graduate and earned their - Top Troubleshooter - award. He is also ASE L1 certified and attends several workshops a year. He lives in Tyngsboro with his four children: Bethany, Christopher, Nathan and Sarah.

What our clients say about us?

Reviews and comments from our satisfied customers