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Signal Hill Auto Repair

"Your Car’s Best Friend, Your Neighborhood’s Trusted Shop"

About Us

At Signal Hill Auto Repair, we’re your trusted destination for complete automotive care in Manassas, VA, and surrounding areas. Since 2023, our certified technicians have specialized in general auto repair and maintenance, including oil changes, fluid services, factory-recommended maintenance, and safety inspections. We also provide advanced engine and transmission services, from tune-ups to full replacements, as well as cooling system and radiator repairs.

Our team excels in electrical and diagnostic services, including battery replacement, check engine light diagnostics, and electronic system analysis. For safety and performance, we offer brake repair and replacement, suspension and steering services, wheel alignments, and tire replacements. Stay comfortable with our AC repair, heating services, and exhaust system maintenance, and keep your vehicle efficient with fuel system and emissions repairs.

Need convenience? Our mobile mechanic service brings expert diagnostics and repairs right to your location. Located at 8494 Signal Hill Rd., Suite D, Manassas, VA 20110, we’re committed to delivering reliable, affordable solutions that keep your car running smoothly.

Visit Signal Hill Auto Repair today for professional service you can trust!

Areas Served

What We Offer

Our Specialties include:

At Signal Hill Auto Repair, we take pride in delivering expert automotive care with a focus on quality, reliability, and customer satisfaction. Our specialties include comprehensive auto repair services, brake repairs and replacements, engine diagnostics, battery and electrical system repairs, and routine maintenance to keep your vehicle running at its best. Whether you're dealing with a check engine light, need a quick oil change, or require more complex engine or transmission work, our experienced technicians are here to help. We’re committed to providing affordable, honest service backed by years of hands-on experience and a dedication to getting the job done right the first time.

Our Services include:

General Auto Repair & Maintenance: We provide comprehensive auto repair and maintenance services to keep your vehicle running smoothly and reliably. From routine oil changes and fluid services to factory-recommended maintenance, vehicle inspections, and emergency repairs, our certified mechanics ensure your car stays in top condition with expert care and attention to detail.
Engine & Transmission Services: Our skilled technicians handle everything from engine tune-ups and repairs to full engine replacements and transmission repairs. We also service cooling systems and radiators, ensuring your engine stays cool and performs efficiently. Whether you're dealing with a minor issue or a major overhaul, we deliver dependable solutions that last.
Electrical & Diagnostic Services: We specialize in diagnosing and repairing complex electrical systems. Our services include auto electrical repair, battery replacement, check engine light diagnostics, electronic system analysis, and light replacements. Using advanced diagnostic tools, we pinpoint issues quickly and accurately to get you back on the road safely.
Brake, Suspension & Steering: Your safety is our priority. We offer complete brake repair and replacement, steering and suspension services, and wheel alignments to ensure your vehicle handles properly and stops safely. Whether you're hearing squeaks or feeling vibrations, we’ll inspect and repair your system with precision.
Tires & Wheels: We provide expert tire repair, tire replacements, and wheel alignment services to keep your ride smooth and safe. Proper tire care improves fuel efficiency, handling, and overall vehicle performance—let us help you stay on track.
Heating, Cooling & Exhaust: Stay comfortable and compliant with our car AC repair and muffler and exhaust services. We ensure your vehicle’s climate control and emissions systems are functioning properly, keeping you cool and your car environmentally friendly.
Fuel & Emissions Systems: Our fuel system repair services help restore power, efficiency, and performance. Whether it’s a clogged injector or a failing fuel pump, we diagnose and fix issues to keep your engine running clean and strong.
Mobile & On-the-Go Services: Can’t make it to the shop? Our mobile mechanic service brings expert repairs and diagnostics right to your location. Perfect for busy schedules or emergency situations, we deliver convenience without compromising quality.

Testimonials

On 1/3/2026 Nancy had this to say:
Mr Milton is a great and honest mechanic and always work on my mercedes. Testimonial written by Nancy on this site.

On 12/27/2025 Happy Camper had this to say:
Great Expert and great prices!

On 12/10/2025 Dan Byers had this to say:
Always great service. I’ve recommended it to many friends.

On 11/4/2025 Matthew Domin had this to say:
Had to get my starter replaced, Milton took care of me quickly at a great price compared to other shops in the area.

On 10/29/2025 Ayyaz Baluch had this to say:
Mr. Milton and his crew provided excellent service. Highly recommend this business for anyone who needs auto repair.

Contact Us

Signal Hill Auto Repair
8494 Signal Hill Rd Suite D Manassas, VA 20110
Phone: (571) 379-4208
Email: signalhillautorepair@gmail.com

Where To Find Us

Payment Types Accepted

Personal Checks, Discover, American Express, Debit Cards, MasterCard, 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
Saturday: 8:00 AM - 2:00 PM

FAQ

What types of auto repair services do you offer?

We provide a full range of general auto repair and maintenance, including oil changes, fluid services, safety inspections, factory-recommended maintenance, and emergency repairs. Our certified technicians ensure your vehicle stays in top condition.

Can you handle major engine or transmission issues?

Yes! We specialize in engine tune-ups, replacements, transmission repairs, and cooling system services. Whether it’s a minor fix or a major overhaul, we deliver reliable solutions to keep your car running smoothly.

Do you offer mobile mechanic services?

Absolutely. Our mobile and on-the-go services bring expert diagnostics and repairs directly to your location — perfect for busy schedules or roadside emergencies.

How do you diagnose electrical problems in vehicles?

We use advanced diagnostic tools to accurately identify and repair electrical issues, including battery replacements, check engine light diagnostics, and electronic system analysis.

What makes Signal Hill Auto Repair different from other shops?

We combine expert care, modern technology, and personalized service at our convenient Manassas location. Established in 2023, our goal is to provide dependable, high-quality automotive solutions with integrity and attention to detail.