Cummins Engine Repair Service in Chicago, Illinois

Is your Cummins engine underperforming or showing signs of wear? Even minor issues can turn into costly repairs if left unattended. At Bus and Truck of Chicago, our expert Cummins engine repair services are designed to quickly get your vehicle back to peak performance, ensuring minimal downtime.

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Currently, our average response time is 3 hours. If we’re busy, it might be closer to 24 hours.
Diesel mechanic performing Cummins engine repair in Chicago, IL

More Information About Cummins Engine Repair Service at Bus & Truck of Chicago

More Information About Cummins Engine Repair Service at Bus & Truck of Chicago

Cummins ISL and ISX Engine Repair in Chicago, IL

The Cummins ISL and ISX engines are renowned for their robust design and unmatched performance. But like all machinery, these can fall prey to many issues. Luckily, our team is more than capable of handling the following: 

Turbocharger Failures: Decreased power or poor fuel efficiency often points to turbocharger issues.

Fuel System Malfunctions: Clogged fuel injectors or faulty fuel pumps can severely impact engine performance.

EGR and DPF Repairs: Emission systems, including the Exhaust Gas Recirculation (EGR) and Diesel Particulate Filter (DPF), often require attention to maintain compliance with emissions standards.

Cooling System Issues: Overheating is frequently caused by failing water pumps, thermostats, or clogged radiators.

We use advanced diagnostic tools and Cummins-certified parts to ensure your ISL and ISX engines return to optimal performance. Please note that these are the only models we work on for class 8 trucks.

What Makes Us Different?

At Bus and Truck of Chicago, we operate out of a 62,000 sq. ft. facility that is fully equipped to handle large fleets. Our team of mechanics brings years of experience handling heavy-duty repairs, so you can trust us to get the job done right the first time.

We’re also committed to minimizing your downtime. With our fast turnaround times and dedicated customer service, your fleet will be back on the road, fully operational, and compliant with all safety standards.

Contact Us About Cummins Engine Repair Now: Call 773-523-6003!

Need expert Cummins engine repairs for your ISL or ISX engines? Get in touch with Bus and Truck of Chicago today. Call 773-523-6003 to schedule your repair and experience top-tier service from our dedicated team.

FAQs

What Causes a Cummins ISX Turbocharger to Fail?

A Cummins ISX turbocharger can fail due to oil contamination, poor lubrication, excessive heat, or debris entering the turbine. Additionally, a clogged air filter, boost leaks, or worn components like bearings and seals can cause malfunction, reducing efficiency or complete failure.

How Do I Know If My Cummins Engine Has an EGR Problem?

Signs of an EGR problem in a Cummins engine include rough idling, loss of power, increased exhaust smoke, poor fuel efficiency, or engine overheating. You may also notice a check engine light or experience frequent stalling, indicating a malfunctioning EGR valve or system.

How Can I Get My Cummins Engine Repaired?

No matter the issue with your Cummins engine, we've got you covered. Call us today at 773-523-6003 to speak to a member of our team. From quick fixes to complex repairs, whatever you need, we can sort it all out!

Trusted By Leading Municipalities, Fleets & Customers Throughout Chicago

"Wonderful company to deal with. Very professional and accommodating to our company’s needs. Service is fast and efficient. We have brought 5 trucks over for repairs in the last 3 months and have NOT had 1 issue with the service or the repairs. Cannot be happier with this company."

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Chris Fitzgerald
Midwest Foods