Expert Cummins Repair in Malta, DeKalb, & Rochelle, IL
If you’re searching for dependable Cummins repair in Malta, DeKalb, or Rochelle, IL, Arndt Automotive is your trusted destination. Whether you drive a Ram 2500 with a 6.7L Cummins or rely on a fleet of diesel-powered work trucks, we specialize in keeping your engine running with strength, precision, and power.
We understand how important your Cummins engine is to your daily life and workload. Our ASE-certified diesel mechanics have years of hands-on experience providing advanced diagnostics, routine maintenance, and complete Cummins engine repair for light-duty and medium-duty diesel trucks.
Trust Arndt Automotive for Cummins Service & Repair
When it comes to your Cummins engine, you need more than just a quick fix — you need long-lasting solutions. At Arndt Automotive, we combine cutting-edge diagnostic tools with skilled craftsmanship and honest recommendations.
Our Cummins Repair Services Include:
- Complete diesel engine service
- Turbocharger diagnostics and repair
- Fuel system inspections and injector replacements
- Glow plug and block heater diagnostics
- Head gasket and cylinder head repairs
- EGR & DPF cleaning and service
- Oil and coolant leak diagnosis
- Routine maintenance and lube service
Common Signs Your Cummins Engine Needs Repair
Don’t ignore the early warning signs. If your Cummins diesel truck is experiencing any of the following symptoms, it’s time to bring it in:
- Check engine light is on or flashing
- Poor fuel economy or loss of power
- Excessive exhaust smoke (white, blue, or black)
- Hard starts or no-start conditions
- Strange knocking, tapping, or whining noises
- Overheating or frequent coolant loss
Our diesel mechanics are trained to diagnose these symptoms accurately and provide transparent repair options that fit your schedule and budget.
Advanced Cummins Engine Diagnostics
Modern Cummins engines are equipped with intricate electronic systems that require advanced tools and training to service correctly. At Arndt Automotive, we use up-to-date diesel diagnostic equipment designed specifically for Cummins engine platforms.
This allows us to pinpoint issues quickly — whether it’s a sensor malfunction, emission system failure, or internal engine problem. We’re able to get you back on the road with minimal downtime and maximum peace of mind.
Preventative Maintenance for Cummins Engines
Proactive care is the key to avoiding costly repairs and extending the life of your diesel engine. We offer tailored maintenance plans for Cummins drivers that include:
- Scheduled oil and filter changes
- Cooling system flushes and radiator service
- Fuel filter replacements
- Glow plug testing
- Battery, belt, and hose inspections
- Transmission and drivetrain inspections
Ask our team about our maintenance schedules based on your specific driving conditions — whether you haul, tow, commute, or do it all.
Your Local Diesel Mechanic for Cummins Service
Finding a diesel mechanic who understands Cummins engines shouldn’t be a guessing game. We’re proud to be the go-to diesel shop for truck owners throughout Malta, DeKalb, and Rochelle. We don’t just swap parts — we diagnose problems and solve them correctly the first time.
Cummins Fleet Repair & Maintenance
If you manage a fleet of Ram trucks with Cummins engines, Arndt Automotive can create a fleet maintenance plan to keep your vehicles dependable and efficient. Our commercial services reduce unexpected breakdowns and keep your business running smoothly. Whether you own one truck or an entire fleet, we’ve got your back.
What Makes Cummins Diesel Engines Unique?
Cummins engines are built for torque, longevity, and heavy-duty performance. With turbocharged power, high-pressure fuel systems, and emission control technologies like EGR and SCR, they require specialized service.
We’re familiar with the complete Cummins lineup, including:
- 5.9L 12-Valve and 24-Valve Cummins
- 6.7L Cummins Turbo Diesel
- ISB and B-series Cummins engines
Whether you’re facing emissions challenges or engine performance issues, we’ll help you get the most out of your Cummins.
More Than Just Cummins Service: Full Auto & Diesel Repair Solutions
At Arndt Automotive, our capabilities go far beyond Cummins engine repair. We’re your one-stop shop for total vehicle care—gas or diesel. Our certified technicians specialize in a broad range of services for both light-duty and medium-duty vehicles, so you can count on us for reliable diagnostics, maintenance, and repairs no matter what you drive.
Here are just a few of the services we offer in addition to Cummins engine work:
- General Auto Repair: From engine diagnostics to drivability issues, we’ve got your everyday auto needs covered.
- Brake Repair: We service brake pads, rotors, calipers, fluid flushes, and full system diagnostics.
- Transmission Service: Whether it’s a fluid exchange or a rebuild, we service automatic and manual transmissions with precision.
- Electrical Diagnostics: We fix everything from faulty sensors to battery drain issues and wiring problems.
- Suspension & Steering: Handling problems? Let us repair your shocks, struts, ball joints, or tie rods.
- Heating & Cooling Systems: Including full radiator service, coolant flushes, and AC repair.
- Diesel Services for Duramax & Power Stroke: In addition to Cummins, we repair Ford Power Stroke and GM Duramax platforms.
- Preventative Maintenance: Oil changes, filter replacements, fluid inspections, and scheduled service intervals.
Whether you’re driving a Cummins-powered Ram or a daily commuter, our team brings the same attention to detail and commitment to quality. We use advanced diagnostics, OEM and high-quality aftermarket parts, and we take pride in getting the job done right the first time.
If your vehicle needs more than Cummins engine work, Arndt Automotive is here to deliver expert service across the board.
Frequently Asked Questions (FAQs) About Cummins Service & Repair
Why is my Cummins engine blowing white smoke? This could be due to coolant entering the combustion chamber, often a sign of a bad head gasket or EGR cooler issue.
How often should I change the oil in my Cummins diesel? Typically every 5,000–7,500 miles depending on usage. We recommend synthetic oil and quality filters for best performance.
Is it okay to drive with a check engine light on in a diesel truck? It depends. Some codes are minor, but others could lead to major damage. Always get it diagnosed as soon as possible.
Do you offer Cummins service for commercial vehicles? Yes, we provide fleet maintenance and repair for commercial diesel trucks with Cummins engines.
Can you fix Cummins emission system problems? Absolutely. We service EGR valves, DPFs, and SCR systems to keep your truck compliant and running smoothly.
Schedule Trusted Cummins Service in Malta, DeKalb, or Rochelle, IL
When your Cummins-powered truck needs expert care, don’t settle for a shop that only does the basics. Trust Arndt Automotive for professional Cummins engine repair, diesel diagnostics, and ongoing diesel engine service from trained diesel mechanics who know these systems inside and out.
Whether you’re in Malta, DeKalb, or Rochelle, IL, you’re only minutes away from a team that treats your truck like their own.
Call now or schedule online to book expert Cummins service today! We’ll keep your diesel running strong and dependable — just the way it should be.
