Get A Quote

Reliable Barrie Auto Repair, Diagnostics, and Seasonal Tire Service

Gunn's Auto Service helps Barrie drivers with honest diagnostics, brake work, oil changes, tire changeovers, and everyday maintenance that keeps vehicles dependable.

If your check engine light is on, your brakes are making noise, or it is time to swap off winter tires, our team will help you fix the right thing and get back on the road with confidence.

Book Service
Barrie Auto Repair

Helpful Service for the Repairs Drivers Search For Most

We focus on the work local drivers actually need: warning-light diagnostics, brakes, oil service, seasonal tire changes, suspension concerns, and the maintenance that prevents more expensive repairs later.

  • Check Engine Light Diagnostics

    We scan, test, and troubleshoot warning lights properly so you are not guessing or replacing parts you do not need.

  • Brake Repair Service

    Pads, rotors, calipers, brake fluid concerns, noises, and vibrations checked with safety first.

  • AC/Heat Repair Service

    Heating and AC performance matters in Ontario. We diagnose weak airflow, poor cooling, and no-heat problems.

  • Oil Change & Filter Service

    Oil and filter changes matched to your vehicle spec, plus a quick look at fluid levels and visible wear items.

  • Seasonal Tire Changeovers

    Winter-to-summer and summer-to-winter swaps with tire condition checks, pressure setup, and practical advice.

  • Suspension Repair

    Clunks, uneven tire wear, loose steering, and rough ride concerns traced back to the real suspension issue.

Call for Appointment
applianceappliance
1500+ Cars repaired
About Us

Straightforward Car Care Backed by Experience

We work on the everyday problems Barrie drivers need solved quickly and correctly, from routine maintenance to deeper drivability and warning-light concerns. The goal is simple: fix the issue properly, explain it clearly, and help you make a smart decision for your vehicle.

  • Digital diagnostics and real troubleshooting instead of guesswork
  • Seasonal tire changes and maintenance that fit Ontario driving
  • Oil, brakes, suspension, and warning-light service in one local shop
  • Clear communication before work is approved
  • Same-day service when the schedule and parts allow
Explore Services
Search-Friendly Service Pages

Detailed Help for High-Intent Auto Service Searches

These pages answer the questions drivers usually have right before they book: what the service includes, when to do it, what symptoms to watch for, and how Gunn's Auto approaches the repair.

  • Seasonal Tire Changeovers

    Winter-to-summer and summer-to-winter tire swaps, inspections, balancing, pressure checks, and honest advice on what makes sense for your vehicle and driving habits.

    Read the full service page
  • Oil Changes & Filter Service

    Conventional, synthetic, and manufacturer-spec oil changes with the right viscosity, fresh filters, fluid checks, and a quick look for leaks or maintenance concerns.

    Read the full service page
  • Brake Repair & Brake Service

    Brake inspections, pads and rotors, caliper concerns, brake fluid service, noise and vibration diagnosis, and straightforward recommendations based on what your vehicle actually needs.

    Read the full service page
  • Check Engine Light Diagnostics

    Accurate scan-tool diagnostics and hands-on troubleshooting for warning lights, drivability issues, rough running, hard starts, emissions faults, and intermittent concerns.

    Read the full service page

Helpful Local Repair Guides

Some visitors are ready to book right away. Others want one more useful answer first. These local guides support the service pages with practical information people search for around tire season, warning lights, and front-end concerns.

When to Switch Off Winter Tires in Barrie

A practical local guide to spring tire timing, what 7 C means, and what to inspect during changeover season.

Read Guide

What a Flashing Check Engine Light Means

Know the difference between a steady warning light and an urgent flashing light, and when driving can make things worse.

Read Guide

Pothole Season, Alignment, and Suspension

Why Barrie pothole season leads to steering pull, uneven tire wear, vibration, and front-end repair questions.

Read Guide
1200+ Satisfied Clients
applianceappliance
Seasonal Advice

Useful Guidance for Barrie Drivers

Spring is one of the busiest tire seasons in Ontario. A good rule of thumb is to swap off winter tires once temperatures are staying consistently above 7 C, then take the opportunity to check tread wear, pressure, suspension issues, and anything that winter roads may have started.

  • When to Book a Tire Changeover

    If daytime temperatures are regularly above 7 C, it is usually time to switch from winter tires so they do not wear down faster in warmer weather.

  • Popular Tire Lines Drivers Ask About

    Barrie drivers often ask about Michelin touring and performance tires, Continental VikingContact winter lines, and other options that match highway driving, commuting, or sportier summer use.

  • Oil and Filter Quality Still Matters

    The right oil viscosity, correct specification, and a quality filter help protect the engine and keep maintenance intervals honest, especially on higher-kilometre vehicles.

If you want a better breakdown of what is involved, start with our tire changeover, oil change, brake repair, and diagnostics pages.

Our Team

Meet Our Professionals

  • Jesse
    Jesse Licensed Automotive Service Technician / Owner
  • Dan
    Dan Licensed Auto Tech / Shop Foreman
  • Matt
    Matt Licensed Automotive Service Technician
  • Chance
    Chance Licensed Automotive Service Technician
  • Gonder
    Gonder Apprentice Automotive Service Technician
  • Andrew
    Andrew Service Advisor
  • Nova
    Nova Shop Manager
engine
Contact Us

Make Appointment

mechanic
Testimonials

Trusted by Thousands of People & Companies

At Gunns Auto, we value your feedback and strive to provide the best service possible. Schedule your appointment today and experience the difference!

person

I had an outstanding experience from start to finish. The staff was incredibly professional, and the receptionist was courteous and thorough in answering all my questions over the phone. The process of dropping off and picking up my car was seamless and efficient. I’ve been to many places, but this one truly stood out. Highly recommend!

Dayna B. Local Google Review
Read More