Certified Auto Mechanic Service in Wood River, IL
Has your check engine light come on and you don’t know what it could be? Swing by Rob’s Discount Mufflers for premier automotive service in Wood River, IL. We have 5 ASE-certified technicians who have over 100 years of experience combined and have been providing superior automotive repair and maintenance since 1992. From vehicle inspections to car diagnostics and tire rotations, we are a comprehensive auto hobby shop that is committed to our customer and their car. With thorough inspections and qualified mechanics, we can easily identify the problem and focus our time and energy on the solution. Contact us for help with:
- Emission Repairs
- Tune-ups
- Auto Repair
- Tire Service
- Auto Diagnostics
- Exhaust Systems
- Engine Maintenance
- Brakes

Auto Diagnostics Wood River, IL
Auto diagnostics test relies on your vehicle’s onboard computer that reads your computer processor, sensors, and microchips to identify any problems relating to your engine, exhaust, or transmission. This is a handy modern tool that helps our mechanics easily identify the problem and focus on the solutions. It is fast. It is effective. It leaves almost no room for error. It also helps ensure that you aren’t making any unnecessary repairs. A car diagnostics test can help identify problems with:
- Air-fuel Metering
- Emission Controls
- Fuel Injector Malfunctions
- Vehicle Speed Control & Idle Control
- Ignition System Misfires
- Computer Output Controls
- Transmission Controls
Emissions Repair
Emissions tests are required, and, in some states, they are annual. If you don’t pass an emissions test your car can’t be registered, rendering it useless. These tests are to ensure that your car engine’s pollutant emissions are within regulation. If you fail an emissions test, Rob’s Discount Mufflers is here to provide the necessary repairs to get your car within the requirements. Most reasons for failing an emissions test are:
- Faulty Fuel Metering
- Defective Oxygen Sensor
- Fault Spark Plugs
- Vacuum Leaks
- High CO2 Levels
- Defective Air Injection System
- Faulty Evaporative Emission Control System
Mufflers & Exhaust Wood River, IL
Your muffler and exhaust system aren’t just for noise reduction so you don’t wake up your neighbors. It also helps your pass that unavoidable emissions test. A functioning muffler and exhaust system can help limit the toxic emissions you put into the atmosphere. So not only is a muffler and exhaust system installed by Rob’s Discount Mufflers better for your car – it is also better for the environment (true story). Our masterful technicians have the skills necessary to provide a smoother, cleaner, and quieter ride, and it just maybe what you need to pass your emissions test.
Brake Repair & more Wood River, IL
When it comes to your vehicle’s brake system, it is better to be safe than sorry. When you notice the first sign that your brakes could be malfunctioning – bring it into Rob’s Discount Mufflers immediately. Otherwise, a potential accident could lead to serious injuries or damages due to your brakes being faulty. Our ASE-certified technicians provide detailed inspections and can address anything related to your brake system including brake pedals, brake pads, hydraulic fluid, drum brakes, disc brakes, etc. Below are common signs that show your brakes need automotive service:
- Your anti-lock brake system light flashes on your dashboard (ABS)
- Your brake dashboard is red, which means there is a system imbalance
- Slow response on your brake pedal
- A grinding or constant squealing while braking

Tires Wood River, IL
If you need your tires rotated, balanced, or wheel alignment, consider your trusty mechanics at Rob’s Discount Mufflers. Tires can be an expensive replacement, so it is important to have routine maintenance from certified mechanics to ensure a longer lifespan. If you are in the market for new tires, we have various types from winter to all-purpose and more. Tire rotations, wheel balancing, and wheel alignments are all critical in providing an even wear on your tires and a smoother ride. Consider us for your tire services in Wood River, IL.

Heating & AC Wood River, IL
Rob’s Discount Mufflers in Bethalto, Illinois can quickly repair your broken heating and air conditioning in your car. Our certified technicians have years of experience repairing vehicle’s heating and cooling system and can readily identify where the problem is with a thorough inspection that includes:
- Check the interior blower
- Check the radiator coolant level
- Check all hoses
- Ensure the pressure cap is working
- Ensure accurate reading on the thermostat
- Check the interior vent air temperature
- Screen the compressor belt
- Examine for cracks or additional damage
- Cooling system pressure examination
- Contrasting the air conditioner pressure
- Examine the air-conditioning system
Auto Repair Wood River, IL
Automotive service in Wood River, IL is a dime a dozen. However, what sets us apart is our attention to detail and focus on customer service. We provide honest work and have been providing auto repairs since 1992 to our community. Providing solutions to their engine problems, transmission faults or heating, and cooling repairs. If you have a problem with your car, our ASE-certified technicians can fix it. We provide thorough inspections, run car diagnostics to better identify the problem, and provide feedback about quality solutions. We offer extended warranty coverage and additional options, too. Contact us today for quality automotive service in Wood River, IL.