Chelmsford Diagnostic Service

Mechanic in Lowell, MA

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About This Shop

A trusted independent automotive service facility in Lowell, NY, specializing in general maintenance and diagnostics. Dedicated to keeping your vehicle safe, reliable, and performing at its best on the road. From regular maintenance and tune-ups to complex mechanical repairs, this shop features the expertise and equipment to handle it all. Open weekdays 8:00 AM – 5:00 PM. This listing is part of the WrenchConnect directory. Claim this profile to manage reviews, update hours, and receive direct customer inquiries.

Expertise & Specialties

General MaintenanceDiagnostics

Customer Reviews

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Kurt Carlsona month ago

★★★★★

Looking to purchase a used and/or vintage car? Do NOT purchase it without first engaging Bill Zaher at Chelmsford Diagnostic to fully review and examine the car you are considering. For my own self, I just brought a car to Bill, and, for short money, he saved me from making a five (5) figure mistake. On top of that, he took the time to educate me on what to look for in the kind of (vintage) car I am looking to acquire. The kind of value Bill provides on so many levels should not be missed. Wish I could rate my interactions with him higher than five (5) stars. KC, Westford, MA

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Prince Royal2 months ago

★★★★★

The guy at the front dest is very unpleasant and unprofessional. I would never recommend anyone to use this business’s services. I brought my GMC Canyon truck there to get a diagnosis on why there is vibration in the trucks front end when you at higher speed. They did a diagnosis and told me that it was a bad wheel bearing that caused the shaking. They replaced the old wheel bearing and I paid them all they charged me. When I drove my truck on the highway it still has vibration at higher speed. I spoke with the guy at the front desk via phone call and he acknowledged the job but he refused to do another diagnosis, he was being rude to me, I should go somewhere else and hang the phone on me.

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Paul Trischitta2 months ago

★★★★★

These guys are the absolute BEST. I had taken my fiat to numerous mechanics who could not diagnose the issue, they found it and fixed it very quickly at an extremely reasonable cost. I would highly recommend

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S Mc2 years ago

★★★★★

Best mechanics hands down!! We have been having our cars serviced here since our kids were in child seats. Now my kids are bringing their own cars to Bill and his guys. Honest, reasonably priced, and super friendly.

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Jasmine D3 years ago

★★★★★

Bill and his team are the most honest mechanics around. My Mother and I have known Bill for a long time and been going to him for YEARS. He is the only one we trust to work on our vehicles. And no matter the problem he fits us in immediately and gets things resolved as fast as he can! 10/10 would recommend his shop for any needs you may have!

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Shop address

70 Stedman St, Lowell, MA 01851, USA

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Business HoursOpen Now

Monday8:00 AM – 5:00 PM

Tuesday8:00 AM – 5:00 PM

Wednesday8:00 AM – 5:00 PM

Thursday8:00 AM – 5:00 PM

Friday8:00 AM – 5:00 PM

SaturdayClosed

SundayClosed

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