4.6·172 reviews

Auto maintenance and repairs in Oshawa—without the guesswork

Come in for routine maintenance, help diagnosing dashboard lights, or repairs like brakes, tires, and A/C. We explain what’s needed, confirm pricing before work starts, and focus on the issues that actually need fixing.

  • Fair pricing focus
  • Clear repair explanations
  • No-pressure recommendations
Visit Information
4.6
172 Google reviews
Find us
222 Rolson St
Oshawa, Ontario
O'Neill
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4.6
GOOGLE VERIFIED REVIEWS
Top Rated Shop
known for
  • prices
  • vehicle
  • honest

What Locals of Oshawa - O'Neill say about Boss Auto Service

Boss Auto Service is a shop in Oshawa that’s often chosen when car problems feel uncertain—like sudden dashboard warning lights, recurring maintenance needs, or repairs that can quickly get expensive. The approach is practical: we check the vehicle, explain what’s going on in plain language, and help you decide how to proceed before work begins, including confirming price and any possible increase ahead of time. The goal is to keep the process straightforward, from diagnosis through the completed repair.

Trusted by 172+ Clients
Verified local service history

Services We Provide

Quality work, honest pricing, and repairs done right the first time.

Auto Service & Repair

Auto Service & Repair

General auto service and repair starts with the concern, the vehicle’s condition, and its maintenance history. The work may range from routine upkeep to diagnosis and repair of related mechanical or electrical systems.

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Car Repair

Car Repair

Car repair addresses a specific mechanical, electrical, safety, or drivability concern after the cause has been assessed. The appropriate repair depends on evidence from inspection and testing, not the symptom alone.

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Brake Repair

Brake Repair

Brake repair begins with an inspection of the parts that create, transfer, and control braking force. The findings determine whether adjustment, maintenance, or component repair is appropriate.

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Oil Change

Oil Change

An oil change replaces used engine oil and the filter with products selected for the vehicle. The visit can also provide a limited opportunity to check fluid leaks, the drain area, and items included in the chosen service.

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AC & Heat Repair

AC & Heat Repair

Heating and air-conditioning repair starts by separating airflow, temperature-control, refrigerant, cooling-system, and electrical concerns. Testing determines which system is responsible before repair is recommended.

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Engine Diagnostics

Engine Diagnostics

Engine diagnostics combines the driver’s observations, scan data, operating tests, and targeted checks to identify the cause of a warning light or performance concern.

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Transmission Repair

Transmission Repair

Transmission repair addresses shifting, engagement, leakage, control, or internal mechanical concerns after the transmission and related systems have been tested. The repair can range from an external correction to internal work or replacement.

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Tire Services

Tire Services

Tire services cover inspection, pressure correction, rotation, balancing, puncture assessment, seasonal changeover, and tire replacement as appropriate. Tire condition, wheel condition, and vehicle requirements determine the work.

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Winter Tire Installation

Winter Tire Installation

Winter tire installation prepares a compatible set of seasonal tires and wheels for cold-weather use. Inspection, fitment, pressure, balance, and proper wheel fastening are part of a careful changeover.

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Wheel Alignment

Wheel Alignment

Wheel alignment measures and adjusts applicable suspension angles so the wheels track according to vehicle specifications. Tire condition, ride height, steering position, and worn or damaged parts must be considered first.

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Battery Replacement

Battery Replacement

Battery replacement involves confirming battery condition and starting or charging-system behaviour before installing a compatible unit. Some vehicles also require battery registration, adaptation, or preserved electronic settings.

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Radiator Repair

Radiator Repair

Radiator and cooling-system repair addresses coolant loss, restricted heat transfer, pressure problems, airflow faults, or damaged components. The source of overheating or leakage should be confirmed before parts are replaced.

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Exhaust Repair

Exhaust Repair

Exhaust repair addresses leakage, noise, damaged supports, emissions-control faults, and restricted flow after the affected section is identified. The system includes more than the visible tailpipe.

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Suspension Repair

Suspension Repair

Suspension repair addresses worn, loose, leaking, bent, or damaged components that affect ride, tire contact, steering response, and vehicle stability. Inspection identifies which parts and related alignment work are appropriate.

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Auto Inspection

Auto Inspection

An auto inspection documents the condition of the systems included in the requested inspection. It may support maintenance planning, a purchase decision, a regulatory requirement, or diagnosis, but the exact checklist depends on the inspection type.

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Preventive Maintenance

Preventive Maintenance

Preventive maintenance uses vehicle guidance, service history, operating conditions, and current condition to plan upkeep before avoidable wear or fluid deterioration creates a larger concern.

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Times follow the shop’s published hours and are preferences, not live reservations. The shop will confirm your request.

Why Drivers of Oshawa - O'Neill Choose Boss Auto Service

  • Up-front communication before work starts

    We inform you of the price before work is done, and if anything changes, we call and confirm how you’d like to proceed.

  • Focused on what actually needs repair

    We take time to check the vehicle and break down what needs fixing without pushing extra work you don’t need.

  • Support for both service and vehicle purchase

    In addition to repairs and maintenance, Boss Auto Service also handles pre-owned vehicle sales, with in-house warranties and in-house financing mentioned as available.

Signals are derived from aggregated public customer feedback trends.

The team at Boss Auto Service is known for fair pricing, clear explanations, and a straightforward process—checking the vehicle, identifying what needs attention, and completing the work efficiently without added pressure.

Common Customer Feedback
In Their Words

What Our Customers Say

5.0 / 5
Verified Google review

If you're looking for a solid place to take your car, I can't recommend Boss Auto Service enough. I recently went in for some brake work, new tires, and a bit of body repair, and these folks really know their stuff.<br><br>First off, the brake service was top-notch. The team took the time to check everything out and broke down what needed fixing without trying to upsell me on things I didn’t need. Now, my brakes are working perfectly, and I feel a lot safer driving around.<br><br>When it comes to tires, they've got a good selection to fit different budgets. The whole process of getting new tires was quick and smooth, and my car drives like a dream now. They even gave me some handy tips on how to keep my tires in good shape for longer.<br><br>I also had a bit of a scrape on my car, and the body repair they did was impressive. It looks like nothing ever happened, and the paint job is spot on. You can tell they really pay attention to the details.<br><br>What really makes Boss Auto Service stand out is how friendly and helpful the staff is. Everyone there seemed genuinely interested in making sure I had a great experience. They answered all my questions and were super informative about everything.<br><br>And while you're waiting, they've got a pretty cozy waiting area. There's coffee and snacks to keep you going, and they even have Wi-Fi if you need to get some work done or just browse the internet. Makes the wait fly by!<br><br>All in all, Boss Auto Service is a great spot if you need anything done on your car. Definitely check them out if you want reliable service from folks who care about what they do.

JM
Jaime Munoz
Review 1 of 10 by Jaime Munoz

Find Us in Oshawa

222 Rolson St
Oshawa, Ontario
Located in O'Neill
Get precise directions on Google Maps

Opening Hours

  • Monday9 AM to 5 PM
  • Tuesday9 AM to 5 PM
  • Wednesday9 AM to 5 PM
  • Thursday9 AM to 5 PM
  • Friday9 AM to 5 PM
  • Saturday9 AM to 2 PM
  • SundayClosed

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