Business Details
50+ Years
experience
Your Trusted Partner for Auto Repair & Maintenance in Portsmouth
Since 1961, Dow's Automotive Service has been a trusted provider of automotive repair and maintenance services in Portsmouth, NH. Our team of certified technicians combines decades of experience with advanced diagnostic tools to deliver reliable solutions for domestic and import vehicles. We specialize in AC repair, brake services, transmission maintenance, and engine diagnostics, using premium parts to ensure long-lasting results.Committed to transparency, we provide clear estimates and prioritize customer education to build lasting trust. Our focus on affordability and same-day service ensures minimal vehicle downtime while maintaining exceptional workmanship. With a legacy of community service and repeat customers, we remain dedicated to exceeding expectations through honest, expert care.
Services
Transmission Flushes
AC Repair
Brake Service
Engine Maintenance
Tire Services
Electrical Repairs
Asian Vehicle Repair
General Maintenance
Heating & Cooling
Inspections
Details
- Year established: 1961
Highlights and features
- We have over 60 years of experience serving Portsmouth drivers.
- Our certified mechanics use advanced diagnostic tools for precise repairs.
- We guarantee transparent pricing with no hidden fees.
- Same-day service available for critical repairs like brakes and AC.
- We specialize in both domestic and import vehicle maintenance.
What people say
Excellent work
Inexpensively as possible
Honest and fair price
Saved over $2000
Super understanding
Services
AC Repair
Our certified technicians diagnose and repair automotive air conditioning systems using specialized tools and refrigerants. We address compressor failures, refrigerant leaks, and climate control malfunctions to restore optimal cabin comfort. Regular AC maintenance prevents breakdowns during peak summer months.
Brake Service
We provide comprehensive brake inspections, pad replacements, rotor resurfacing, and hydraulic system repairs. Our technicians follow manufacturer guidelines to ensure safe stopping distances and prevent premature wear. Emergency brake adjustments included in all services.
Transmission Flushes
Professional transmission fluid exchanges remove contaminants while replacing seals and gaskets as needed. We use manufacturer-approved fluids to maintain shifting performance and extend transmission lifespan. Diagnostic checks identify potential issues before major failures occur.
Engine Maintenance
Scheduled maintenance includes oil changes, filter replacements, timing belt inspections, and fuel system cleanings. Our technicians identify performance issues through computer diagnostics and address mechanical wear to maintain engine efficiency and longevity.
Tire Services
We offer tire rotations, pressure checks, alignment services, and seasonal tire changes. Proper inflation and tread depth monitoring improve fuel efficiency and road safety. Our technicians recommend replacement when tires reach minimum safety thresholds.
People
Louis Dow
Owner
Louis Dow has led Portsmouth's trusted automotive service provider since 1961. With decades of hands-on experience, he ensures every repair meets strict quality standards while maintaining transparent pricing policies that have built lasting customer relationships.
Questions
What auto repair services do you offer?
We provide AC repair, brake services, transmission maintenance, engine diagnostics, tire care, electrical system repairs, and general vehicle maintenance for domestic and import vehicles.
How can I schedule an appointment?
Call 603-436-9886 during business hours or use our online contact form. Most repairs can be completed the same day with prior scheduling.
Do you service all vehicle types?
Yes, our technicians work on both domestic and import vehicles, including specialized Asian vehicle repair services for makes like Toyota, Honda, and Hyundai.
Are your mechanics certified?
All technicians hold current automotive repair certifications and receive ongoing training to maintain expertise with evolving vehicle technologies and repair methods.
What payment methods do you accept?
We accept major credit cards, debit cards, and cash payments. Financing options may be available for extensive repair work upon approval.
