Auto Repair & Maintenance Services in Janesville, WI

Locally Owned and Operated

CALL US

Comprehensive Car Care You Can Trust – From Routine Maintenance to Full-Service Repairs

A blue and white drawing of a brake disc with a brake pad attached to it.

Brakes

A blue bottle of oil with a drop of oil in a circle.

Oil Changes

A blue icon of a battery with a lightning bolt on it.

Battery

A blue flame icon on a white background

Heating

A blue snowflake icon on a white background

A/C

A black and white drawing of a car engine on a white background.

Engine Diagnostics

A blue icon of a car with smoke coming out of it.

Exhaust & Emissions

A blue and white icon of a fan on a white background.

Radiator

A blue check engine icon on a white background.

Check Engine Light

A button that says engine start stop on it

No Start

A blue icon of a tire and a spring on a white background.

Suspension & Steering

A blue gas pump with a gas pump nozzle attached to it.

Fuel System

Four tires are stacked on top of each other on a white background

Tires & Alignment

A blue icon of a circuit board with a lightning bolt in the middle.

Diagnostics & Electrical Systems

A drawing of a spark plug on a white background.

Spark Plug & Ignition Coil Replacement

A blue line drawing of a gearbox with a shifter.

Transmission

A garage with a sign that says gateway auto repair

Welcome to Centerway Auto Repair


Janesville’s Trusted Name in Automotive Service


At Centerway Auto Repair, we’re proud to be your locally owned, family-operated source for honest, high-quality auto repair in Janesville, Wisconsin. Our team of Certified Master Technicians brings decades of combined experience to every job—ensuring your vehicle receives expert care backed by integrity and precision.


From routine maintenance to complex diagnostics and full-service repairs, we deliver exceptional workmanship and personalized service at competitive prices. We use industry-leading tools, proven repair techniques, and high-quality parts to make sure every repair meets or exceeds professional automotive standards.


All of our work is fully guaranteed, giving you peace of mind that your vehicle is in skilled hands. Whether you're coming in for scheduled maintenance, brake service, electrical diagnostics, or engine repair, we’ll take the time to explain what your vehicle needs—with no pressure, no gimmicks, and no unnecessary upsells.


At Centerway Auto Repair, your satisfaction is our highest priority. We understand that our reputation is built one customer at a time, and we’re committed to earning your trust with every visit.


Experience the difference of working with a shop that puts honesty, quality, and community first.

About Centerway Auto Repair

Experience You Can Count On

Over 60 Years of Combined Automotive Expertise

Owner Matthew Sigmund has called Janesville home since 1988 and brings more than 34 years of hands-on automotive repair experience to the shop. Known throughout the community for his integrity and commitment to honest service, Matthew has built a reputation as a trusted professional who puts customer satisfaction first. Delivering dependable, high-quality repairs has always been his top priority.


Proudly Serving Janesville Since 1998

For more than two decades, Centerway Auto Repair has been a locally owned and operated business proudly serving the Janesville area. Established in 2001, the shop is now a family-run operation led by Matthew and his sons, who share his passion for providing exceptional auto care. With deep roots in the community, the Sigmund family remains committed to offering the highest level of service and professionalism to every customer who walks through the door.


7 Service Bays — Fast, Reliable Turnaround

With seven service bays available, Centerway Auto Repair is equipped to handle everything from routine maintenance to complex diagnostics without the long wait times. Whether you need an oil change, brake service, engine work, or electrical diagnostics, we’re ready to get you back on the road quickly and safely. We provide complete car care with a focus on quality, transparency, and treating every customer like our only one.

We know our reputation is earned one customer at a time, and we truly appreciate the trust you place in us.

OUR SERVICES

Google Reviews From Our Customers