704-676-6023
Fleet Repairs
Whether it be exhaust leaks or damaged heat shields, you’ll be able to find high-quality repair services here at National Fleet Management. With over a decade of experience in the heavy-duty repair industry, we’ve got you covered. Contact us today to book an appointment.
A heavy-duty truck's exhaust system does more than manage noise. It routes exhaust fumes away from the passenger compartment, protecting the driver from harmful gases, and reduces harmful emissions through one or more catalytic converters. Because the exhaust system hangs low under the vehicle, it's regularly exposed to road debris — a common cause of the issues below.
Symptoms of a Bad Exhaust System
Loud Exhaust
Loud exhaust noise usually means there's a leak - commonly caused by rust, ranging from a small puncture to a larger hole. Sound bypasses the muffler once a leak is present, which is why the noise is noticeable. A leak also risks letting exhaust fumes into the cabin instead of venting them away from the vehicle, which makes this a repair worth addressing quickly.
Rattling Sounds
Rattling from the underside of a truck usually means a heat shield is coming loose. Heat shields protect critical components from exhaust heat, and their low position makes them prone to rust - once one fails, the components it was protecting are exposed to heat damage.
Mobile Truck Exhaust Repair
For exhaust issues that don't require full shop equipment, NFM's mobile units handle leak repair, pipe and clamp replacement, and heat shield replacement on-site - keeping a truck out of the shop queue when possible. [CONFIRM: which mobile markets cover exhaust work]
When to Call for Mobile Exhaust Repair
Exhaust Leaks
Small to moderate leaks from rust or road debris damage can typically be repaired or the affected section replaced on-site.
Heat Shield Replacement
A loose or missing heat shield is a straightforward field repair that doesn't require shop equipment.
Catalytic converter replacement and repairs involving the emissions system are completed at our full-service locations.
Truck Exhaust Repair FAQs
Is it safe to keep driving with a loud exhaust?
Driving with an exhaust leak isn't recommended. Beyond the noise, a breached exhaust pipe risks letting fumes enter the cabin instead of venting away from the vehicle, which poses a health risk to the driver.
What causes exhaust leaks on heavy-duty trucks?
Rust is the most common cause, along with road debris damage - the exhaust system hangs low under the vehicle and is regularly exposed to both.
How do I know if it's a heat shield or an exhaust leak?
A rattling noise from underneath the truck usually points to a loose heat shield, while a loud, consistent noise from the exhaust itself typically means a leak. Both should be inspected, since a missing heat shield can lead to heat damage on nearby components.
H3: Is mobile exhaust repair available?
Mobile units handle leak repair, pipe and clamp replacement, and heat shield replacement on-site. Catalytic converter and emissions system work is completed at our full-service locations.
Serving Fleets Across the Region
Full-service exhaust repairs in:
- Charlotte, NC
- Greensboro, NC
- Durham, NC
- Statesville, NC
Mobile service also available in:
- La Grange & Kinston, NC
- Carlisle, PA
- Greenville, SC
- Lexington, KY
- Wilmington, NC
- Bowling Green, KY
- Roanoke, VA
Don't Let an Exhaust Leak Go Unchecked
A loud exhaust isn't just annoying - it can mean fumes are entering the cabin. Contact us today to schedule exhaust repair.
Multiple Locations to Serve You
24/7 fleet repairs and maintenance to keep your business running.
Charlotte, NC
Charlotte, NC
Greensboro, NC
Greensboro, NC
(Ford & Chevy)
Durham, NC
Durham, NC
(Ford & Chevy)
Statesville, NC
Statesville, NC
Louisville, KY
Louisville, KY
Bowling Green, KY
Bowling Green, KY
Roanoke, VA
Roanoke, VA
Indianapolis, IN
Indianapolis, IN
Cincinnati, OH
Cincinnati, OH
Calhoun-Cartersville, GA
Calhoun-Cartersville, GA
Myrtle Beach, SC
Myrtle Beach, SC
La Grange & Kinston, NC
La Grange & Kinston, NC
Mobile Only
Carlisle, PA
Carlisle, PA
(Mobile Only)
Greenville, SC
Greenville, SC
(Mobile Only)
Lexington, KY
Lexington, KY
Mobile Only
Owensboro, KY
Owensboro, KY
(Mobile Only)
Evansville, IN
Evansville, IN
(Mobile Only)
Wilmington, NC
Wilmington, NC
(Mobile Only)
Schedule service with National Fleet Management today!
What Our Customers Are Saying
We strive to provide the best fleet repair and maintenance services for our valued customers in North Carolina.
LaQuan Pollard
"Came in to get my trailer fixed and when I say these guys here are the best I mean it cause these guys went beyond to make sure I got back to my pickup to get loaded. If I give them 10 stars I could"
Randy Robinson
"Put in there and have airlines check for air leak and they found three of them right off the top fast not to go back in the heartbeat for all those problems they're great company"
LMH Logistics
"Stanley and his team have provided excellent service in fixing our work trucks. They are professional and always timely. They communicate with us to keep us posted on the status of repairs and we've enjoyed working with the entire team here."
William Wrenn
"I can tell you firsthand these guys are the best at what they do. Courteous, polite and always very professional. Look no further for someone you can trust."
Helena Honcharuk
"You don’t need to worry about your car! Here will help bring the car in good condition!!!
Good service!!!"
Good service!!!"
Michael Latch
"Stopped by the Durham location with a truck in limp mode, and while they were unable to disable the derate, the manager Jeremy was extremely helpful and did not even charge any diag fees. Very nice people."
Danholyfire1
"Very friendly and courteous people.
Had my PM, DOT inspection and slack adjusters installed promptly and price was reasonable."
Had my PM, DOT inspection and slack adjusters installed promptly and price was reasonable."
Shannon Wilson
"If you have a truck that is having any kind of mechanical issues. They can fix your truck and have you back rolling in no time. Great customer service."
Dylan S
"Had a quick turn around and even though they were booked up they were very fair for everything else."
Abu Sheyx
"Amazing people working here very good costumer service they did really good job thank you guys."
Henri Newkirk
"THIS PLACE BELIEVES IN TAKING CARE OF THE CUSTOMER!!! David in service made sure that everything was top notch and showed the true meaning of above and beyond customer service he was knowledgeable and the mechanics were excellent as well! Because of David I will always be a customer at National Fleet!!!"
Jason Little
"Very good place prompt and great service , they take attention to detail and make sure it’s done right the first time."
Christina Burns
"Had a vehicle on there location to inspect. Everyone was super nice and helpful."
Commercial Truck Fleet Repair Services
Whether one of the trucks in your fleet needs engine repair or a suspension overhaul, you can rest assured knowing we’ve got your back. Our technicians are more than capable of performing complex repairs of all kinds. We rebuild transmissions, overhaul engines, repair entire drivetrains, and so much more.
Axle Repair
National Fleet Management repairs and replaces heavy-duty truck axles - including axle shafts, wheel bearings, seals, and hub assemblies - for steer, drive, and trailer axles. Work is done at our full-service shops in Charlotte, Greensboro, Durham, and Statesville, NC, plus mobile axle service across our coverage area for fleets that can't afford the downtime of a shop visit.
Body Work
Are you looking for a shop that does body work on heavy-duty trucks? Well, you can stop looking, for we here at National Fleet Management offer a wide range of bodywork services. From body panels to roofing and everything in between, National Fleet Management is the place to be.
Brake Repair
Are you looking to get your heavy-duty brakes serviced? Whether you use an air-based setup or more traditional fluid systems, you’ll find the services you need here at National Fleet Management. Contact us today to book an appointment.
Coolant System Repair
Are you in need of coolant system repairs? Maybe the engine in one of your trucks is overheating, and you can’t figure out why. Not to worry! We here at National Fleet Management are coolant system experts. We maintain and repair coolant systems of all kinds on almost a daily basis! Call today to book an appointment.
Diagnostics & Electrical Repair
Are you having electrical problems? Are you looking for a heavy-duty shop to fix those issues? Well, you can stop looking! We here at National Fleet Management are diagnostics experts! We’ll have any and all electrical issues sorted out before you know it! Call today to book an appointment for service.
Drivetrain Repair
With a full roster of technicians and over a decade of experience in the heavy-duty repair industry, National Fleet Management has the services you and your fleet deserve. For all your drivetrain needs, give us a call, and we’ll book you an appointment.
EGR & DPF
Are you looking for a shop that works on emissions control systems? Well, you’ve found one! We here at National Fleet Management are emissions control experts. We do everything from EGR repairs to catalytic converter replacements. Call today to book an appointment.
Engine Repair, Rebuild & Conversion
National Fleet Management is a heavy-duty repair shop that does engine rebuilds, repairs, and conversions of all kinds. Whether you’ve blown a head gasket or want to swap your engine out entirely, you can rest well knowing our technicians have your back. Call today to book an appointment.
Exhaust System Repair
Whether it be exhaust leaks or damaged heat shields, you’ll be able to find high-quality repair services here at National Fleet Management. With over a decade of experience in the heavy-duty repair industry, we’ve got you covered. Contact us today to book an appointment.
Express Lube
Our express lube services here at National Fleet Management are designed to fulfill the oil and fluid needs of any preventive maintenance regimen. Whether you need an engine oil change or a new transmission fluid, our express lube technicians will have your fluids changed in a jiffy!
.avif)
HVAC System Repair
Is your HVAC system struggling to keep up with North American weather? Maybe it doesn’t blow cold enough in the summer or doesn’t heat up enough in the winter. Here at National Fleet Management, we’ve got a wide selection of services that are sure to meet your every need.
Oil & Fluid
Changing oil and fluids regularly is the most important aspect of any preventive maintenance regimen. Here at National Fleet Management, we have oil and fluid services of all kinds. Whether you need a transmission fluid change or a coolant flush, we’ve got you covered.
Suspension Repair
Do you want to get your heavy-duty truck’s suspension repaired or maintained? Well, looks like you’ve come to the right place! Here at National Fleet Management, we offer suspension services of all kinds. Whether you need new bushings or repaired shock absorbers, we’ve got your back.
Transmission & Clutch Repair
National Fleet Management repairs and services heavy-duty truck transmissions and clutches - from fluid changes and shift motor repair to full transmission rebuilds and clutch replacement - at our Charlotte, Greensboro, Durham, and Statesville, NC shops, with mobile service available across our coverage area.