Brand Certified
M&J Auto Sales & Service
4.6(154 reviews)
Certified by M&J Auto Sales & Service • Jun 28, 2026
Business Details
3069 State Road 83, Hartford, WI
53027, United States
Certified by M&J Auto Sales & Service • Jun 28, 2026
(262) 670-9800
Certified by M&J Auto Sales & Service • Jun 28, 2026
https://www.mjautorv.com/
Certified by M&J Auto Sales & Service • Jun 28, 2026
About
Certified by M&J Auto Sales & Service • Jun 28, 2026
Auto Repair ShopBrake ShopAuto MaintenanceAlternator RepairAuto Air Conditioning ServiceOil Change Service StationTire ShopUsed Car DealerCar Dealer
M&J Auto Sales & Service provides auto brake repairs, diagnostics, air conditioning repairs, exhaust system repairs, oil changes, and tire services in Hartford, WI, and surrounding communities.
Details
- Credit cardAvailable
- DebitAvailable
- Mobile paymentsAvailable
- Cash onlyNot available
Location
Certified by M&J Auto Sales & Service • Jun 28, 2026
Hours
Certified by M&J Auto Sales & Service • Jun 28, 2026
Monday8:30 AM - 5:00 PM
Tuesday8:30 AM - 5:00 PM
Wednesday8:30 AM - 5:00 PM
Thursday8:30 AM - 5:00 PM
Friday8:30 AM - 5:00 PM
SaturdayClosed
SundayClosed
7/3/20268:30 AM - 5:00 PM
7/4/2026Closed
9/7/20268:30 AM - 5:00 PM
11/26/20268:30 AM - 5:00 PM
11/27/20268:30 AM - 5:00 PM
12/25/20268:30 AM - 5:00 PM
1/1/20278:30 AM - 5:00 PM
5/31/20278:30 AM - 5:00 PM
Reviews
4.6
154 reviews
5 stars
130
4 stars
14
3 stars0
2 stars0
1 star
10
- BGBrittany Geise6 days ago5.0Clean, comfortable, and spacious waiting area. I was able to make an appointment to get an oil change and tire rotation for the very next morning. Prices are incredible and everyone I've spoken to has been knowledgeable and kind
- SSScuba SteveJun 15, 20265.0Awesome shop. Friendly and helpful staff!
- DHDean HarthunJun 4, 20265.0Good shop, good people.
- LFLynn “Lynn F” FMay 5, 20265.0Friendly, great auto care
- DSDanny SlawinskiApr 29, 20265.0I have been getting my vehicles serviced at M&J for almost 5 years. They treat you like family! I can’t recommend them enough. Very reasonable, honorable, and friendly. A++
Frequently Asked Questions About M&J Auto Sales & Service
What services does M&J Auto provide?
We provide a complete range of auto repair and maintenance services for most makes and models, including oil changes, brake repair, engine diagnostics, transmission work, tire services, and much more.
Do I need an appointment, or can I walk in?
We suggest scheduling an appointment to ensure service time availability, though we'll accommodate walk-ins whenever possible.
How often should I get an oil change?
Most vehicles require an oil change every 3,000-5,000 miles with conventional oil or every 5,000-7,500 miles with synthetic oil. We'll recommend the ideal interval for your specific vehicle.
What are the signs that my brakes need repair?
Typical signs include squeaking or grinding sounds, a spongy brake pedal, vibrations during braking, or increased stopping distances.
Do you work on all vehicle makes and models?
Yes, M&J Auto services all vehicles, including domestic, European, Asian, and foreign makes, as well as trucks and cars.
How long does a typical repair take?
Repair duration depends on the specific service required, though most routine maintenance work is completed within the same day.
Do you offer estimates before starting work?
Yes. We provide clear, upfront estimates and review all available options with you before beginning any repair work.
What should I do if my check engine light comes on?
Schedule a visit as soon as you can. The check engine light may signal anything from a minor issue to a significant problem, and we'll perform diagnostics to identify the cause.
Do you offer tire services?
Yes, we provide tire installation, balancing, rotation, and inspections to help maintain your vehicle's safety and performance.
Why choose M&J Auto in Hartford, WI?
We're committed to honest service, experienced technicians, fair pricing, and helping keep our local community safe on the road.
Brand Certified Facts from M&J Auto Sales & Service
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Certified June 28, 2026Yext Knowledge Graph
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