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Jeep in the mountains

Welcome To Waterloo, Illinois’

Full-Service, Trusted Auto Repair Shop

Quality Auto Repair is the leading full-service auto repair and maintenance shop.

Quality Auto Repair is the Local leader in Auto Maintenance

Local technician servicing car

Family-owned and locally operated,

we’ve been serving Monroe and St. Clair County's automotive mechanical needs for nearly 20 years. 

If you loved Quality Collision,

you'll love Quality Auto Repair. Same quality repairs, same local technicians. Brand new state of the art 10,000 square foot location with the best in the industry equipment to better serve our long time loyal customers.

Whether you need a scheduled oil change, emissions test, tire rotation, or need check engine light checked, we’ve got you covered!

Vehicle on the road

We will have you BACK ON THE ROAD in no time!

At Quality Auto Repair, we know how important it is to find an auto repair shop you can rely on. We provide our customers with fast, affordable, top-notch auto repair services you can trust!


Quality Auto Repair's Mechanical Services

We offer full-service mechanical repair work that’s timely and done right the first time.

Whether you’ve got issues with your brakes, need a tune-up, or have a cracked windshield, Quality Auto Repair is here to help!

Air Conditioning & Heating Repair

Battery & Charging Systems

Brake Check & Repairs

Check Engine Lights

Cooling System Repair

& Maintenance

Drive Train

Engine Repair

Electrical & Diagnostics

Engine Leaks


Exhaust Installation

& Repairs

Fuel System Repair

& Maintenance

General Maintenance


Glass & Window Repairs

Oil Change & Services

Suspension & Steering

Tires & Rotation

Wheel Alignments

We Specialize in Jeeps!

Black Jeep full serviced

Advanced Driver Assistance Systems (ADAS)

We can also provide calibration and diagnostic solutions for your on-the-road Advanced Drive Assistance Systems.

Advanced Driver Assistance Systems diagram

Diesel Repairs

At Quality Auto Repair, expert diesel mechanics are ready to help you with your diesel engine repairs!

Diesel engines are very different from gas engines and should be treated as such. The best way to keep your diesel truck in good condition is by changing its filters and routine maintenance.

Signs your diesel vehicle

needs maintenance:

  • Decrease in horsepower/turbocharge failure

  • Overheating engine oil in the cooling system

  • Blue smoke emitting from the engine

  • Stalling

Common Diesel Engine Repairs We Handle


Fluid & Filter Changes

Transmission Service

Diesel Performance

Fuel Injection Repair & Upgrade


Exhaust kits

Driveline & Axle's

Transfer Case & Differentials

Programming & Tuning

Lift Kits

Heavy Duty Black Diesel truck expertly maintained and repaired at Quality Auto Repair.
Heavy Duty Black Diesel truck expertly maintained and repaired at Quality Auto Repair.
Quality Auto Repair mechanic working on a car engine.

Automotive Accessories

Get the best auto service and accessories for your ride. Quality Auto Repair makes it easy to find the right accessories to customize and enhance your vehicle.

We have everything from interior to exterior automotive accessories.

Car & Truck Accessories

Jeeps & Broncos

Performance Parts

Truck Bed Covers

Bumpers & Lighting

Wheels & Tires

Lift Kits

Custom Hitches & Winches 

Window Tint

Pin Stripes

And Much More!

An off-road vehicle tire, one of many automotive accessories available at Quality Auto Accessories
Red convertible car with automotive interior and exterior automotive accessories from Quality Auto Repairs in Waterloo, Illinois
Silver Chevy Diesel truck with automotive interior and exterior automotive accessories from Quality Auto Repairs in Waterloo, Illinois
Auto Quality Repair Mechanic replacing air filter in a cars engine

For high-quality AUTO SERVICE & REPAIRS, call the top-rated auto service in Monroe County!

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Fleet Vehicle Repairs Available!

Quality Auto Repair is the area leader in fleet repairs. Whether it be utility trucks, box vans, or delivery vehicles, we offer the best and speediest repairs. We can perform fleet maintenance or repairs on all your company vehicles.

We will meet your needs if you have three cars or 35 trucks.

We honor most extended warranty policies!

A fleet of repaired vehicles maintained at Quality Auto Repair in Waterloo, Illinois
Quality Auto Repair mechanics changing the oil of a clients car

We'll amaze you with our quick, affordable service

But don’t take our word for it– see what our happy customers have to say!

A collection of tools at Quality Auto Repair

 Tell us your 5-Star Quality Auto Repair Story!

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