Hear that rumble? It might be your exhaust. At Hex 6 Diesel Services in Tyler, TX, we specialize in diagnosing and fixing the complex issues of heavy-duty exhaust systems. Whatever it is that's bringing your truck's performance down, we've got the solution.

How Long Can You Go With an Exhaust Leak?
An exhaust leak in a heavy-duty diesel engine should be addressed immediately. While a vehicle can technically operate for a short time with a minor leak, it's not advisable due to the risk of toxic fumes, decreased fuel efficiency, and potential engine damage. Get it checked as soon as possible!
Signs of Exhaust System Failure
Recognizing the early signs of exhaust system failure is crucial for maintaining the performance and safety of your heavy-duty diesel truck. Here are key indicators that your exhaust system needs attention:
Loud Engine Noise: An increase in engine noise, especially a rumbling sound, can indicate a hole or crack in the exhaust system.
Decreased Fuel Efficiency: A malfunctioning exhaust system can lead to a significant drop in miles per gallon, as it affects the engine's ability to operate efficiently.
Vibrations: Feeling unusual vibrations in the steering wheel or pedals could be a sign of exhaust issues, often stemming from loose or damaged components.
Odor of Exhaust Fumes: The smell of exhaust fumes inside the cabin is a red flag, signaling a leak that could lead to dangerous carbon monoxide exposure.
Check Engine Light: This light can activate for various reasons, including exhaust system malfunctions. It's essential to have it diagnosed promptly.
Visible Rust or Damage: Regular inspections may reveal rust or physical damage to the exhaust components, indicating the need for repairs.
Poor Engine Performance: An impaired exhaust system can lead to reduced engine power and sluggish acceleration, impacting overall vehicle performance.
Truck Exhaust Repair in Tyler, TX
At Hex 6 Diesel Services, we understand the intricacies of heavy-duty diesel exhaust systems. Our team of experts is equipped to diagnose and repair any exhaust-related issues, ensuring your truck operates safely and efficiently. If you're in Tyler, TX, and in need of exhaust repairs, get in touch with us now!
Types of Vehicles We Work On
Our highly skilled team is also able to carry out exhaust repairs on a range of on- and off-highway vehicles, including:
- Oil and gas industry equipment
- Agriculture equipment
- Municipality vehicles
- Heavy equipment
- Commercial on-highway trucks, trailers and tankers
- RVs and buses
- Diesel trucks
FAQs
What Causes a Diesel Exhaust Flex Pipe to Crack or Fail Repeatedly?
Repeated flex-pipe failure can come from excessive engine movement, poor alignment, vibration, worn mounts, or stress elsewhere in the exhaust system. If the root cause is not corrected, a replacement flex section may crack again even when the new part is installed properly.
How Do You Know if a Heavy-Duty Truck Exhaust Manifold Is Leaking?
A leaking exhaust manifold can cause ticking noises, soot marks, exhaust odor, reduced performance, or unusually high temperatures around the engine bay. Technicians may inspect gasket surfaces, manifold fasteners, cracks, and surrounding soot patterns to locate the leak accurately.
Why Does My Diesel Truck Smell Like Exhaust Inside the Cab?
Exhaust odor inside the cab can result from leaking pipes, manifold connections, damaged seals, or exhaust gases entering through openings around the cab or firewall. Because fumes can indicate a significant leak, the exhaust system and nearby sealing points should be inspected promptly.
What Causes Heavy-Duty Truck Exhaust Clamps and Joints to Keep Leaking?
Exhaust joints may keep leaking when pipes are misaligned, clamp surfaces are distorted, components are corroded, or vibration prevents the connection from sealing evenly. Checking fitment and support brackets can help prevent a new clamp from failing for the same reason.
How Do You Get to Hex 6 in Tyler?
Diesel truck owners visiting Hex 6 for exhaust system repair can find the shop at 5406 FM 850, Tyler, TX 75705. Major roads around Tyler provide connections to FM 850 on the northeast side of the city. Travelers arriving from I-20 can take US-271 south toward Tyler before using local roads that connect with FM 850. Drivers coming from central Tyler can follow Loop 323 to US-271 and continue northeast toward the Hex 6 area.
Follow the connecting roads to FM 850 and continue toward Hex 6. A nearby Shell gas station provides a useful reference point during the approach. Hollywood Door of Tyler is another business in the area that drivers may notice as they get closer.
Areas Also Serve For Exhaust Repairs in Texas
As well as Tyler, TX, we also proudly bring our exhaust repair service to the following surrounding areas, Longview, TX, Kilgore, TX, Jacksonville, TX, Henderson, TX, Athens, TX, Palestine, TX, Sulphur Springs, TX, Marshall, TX, Nacogdoches, TX, Lufkin, TX, Corsicana, TX, Dallas, TX, Plano, TX, Garland, TX, Mesquite, TX, Terrell, TX, Greenville, TX, Mount Pleasant, TX, and Paris, TX.
