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Professional Auto & Truck Service LLC

About Us

Professional Auto & Truck Service LLC is a trusted truck repair shop that has been serving Frederick, MD, and surrounding areas since 2004. Specializing in a wide range of services such as gearing gaskets, transmissions, brakes, and more, we are your go-to destination for all your truck repair needs. Our skilled technicians offer expert services, including clutch repairs, AC services, DOT inspections, custom rebuilds, and more. We are dedicated to providing top-quality workmanship, ensuring your vehicle is back on the road in no time. Choose Professional Auto & Truck Service LLC for reliable and professional truck repair solutions.

Areas Served

Frederick, MD | Hagerstown, MD | Urbana, MD | Baltimore, MD | Winchester, VA | Thurmont, MD | Gettysburg, PA | Chambersburg, PA

What We Offer

Our Services include:

Our Products include:

Testimonials

On 7/14/2025 Ryan Reeves had this to say:
I brought my truck with AC problem. They checked and charged me fairly.

On 6/30/2025 John Spicer had this to say:
TLDR: Even if you have to wait for their service, this is the place to go if you want it done once while also feeling respected, something lost on many of today's shops. Full Story: We have a large diesel motorhome that my family uses to show our daughter the nation as she is growing. Getting work done on Motorhomes can be fraught with risk and uneasiness, as many shops treat them like trucks without being cognizant that for many of us, they are a second home where we live for weeks at a time. Admittedly, these things can be a real pain to work on, with limited access leading to body contortion, etc.. As a result, repairs are not always done wholly or thoroughly as techs want to get it out of the door and get to something else. Our experience with Precision was the exact opposite. Yes, it took a few weeks to get us in, but they fixed it right the first time, without complaint, and with professionalism. When we got the coach back, it was amazingly free of dirt and grime, and they took it upon themselves to replace access panels that I had removed for their convenience prior to drop-off. They also had the presence of mind to use the shoreline to keep from abusing the batteries, again something that I hadn't expected or asked them to do. As they say, its in the details, something that Dean and his crew obviously subscribe to. In the end the job was done very quickly once it was in the shop and it came in under the estimate. When does that ever happen? Very shortly after the repair, we took the coach on a 4K mile / 16 state tour where it performed flawlessly. This is how a shop builds trust. Considering that this repair (cracked exhaust gaskets) required some major disassembly of the intake and exhaust systems, Id say that this shop is the one to use. I intend to keep their number in my phone; you should too.

On 4/27/2025 Michel Xanthopoulos had this to say:
Great repairs and service shop. They show true commitments to the customers. No bogus repairs or estimates. One of the few companies that care about honesty and their customers. Testimonial written by Michel Xanthopoulos on this site.

On 3/31/2025 Anonymous had this to say:
Professional Auto & Truck Service are the best, whatever you need done in your truck they got you. They’re very professional and friendly and they get the work done. Testimonial submitted anonymously directly to this site.

On 3/30/2025 Devin Angleberger had this to say:
Thank you, he took time out of his day to help us with something that he didn’t have to. It is appreciated.

Contact Us

Professional Auto & Truck Service LLC
900 E Patrick St Suite 5B Frederick, MD 21701
Phone: (301) 662-5292
Email: patsllcdean@gmail.com

Payment Types Accepted

Cash, Personal Checks, Debit Cards, Discover, MasterCard, PayPal, Visa

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM

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