Heavy-Duty Truck Repair Services
Full-service Class 6–8 diesel repair across eight clusters — engines, emissions, drivetrain, brakes and air, electrical, chassis, compliance, and specialty work.
Engines
Diesel Engine Repair
A diesel engine problem is rarely simple — it's cylinder head, fuel system, turbo, or something deeper, and the fix ranges from a single component to a full overhaul. We diagnose first, then tell you honestly whether it's worth repairing, overhauling, or replacing.
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Engine Overhaul
In-frame means rebuilding the pistons, liners, rings, and bearings without pulling the engine from the truck. Out-of-frame means pulling it and machining the block. Which one you need depends on what the wear pattern actually shows, and we explain the difference before you commit to either.
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Fuel System & Injector Repair
Hard starts, rough idle, and power loss often trace back to the fuel system before anything else — injectors, the high-pressure pump, or contaminated fuel. We test the system in order instead of replacing the most expensive part first.
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Turbocharger Repair & Replacement
A whining turbo, boost that won’t build, or visible smoke from oil in the intake usually means the VGT actuator, a boost leak, or the turbo itself is failing. We isolate the actual source before replacing the turbocharger.
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Cooling System & Radiator Repair
An overheating truck can mean the radiator, water pump, thermostat, or an EGR cooler leaking coolant into places it shouldn’t be. We trace the actual source before replacing parts, since more than one of these can look the same from the driver’s seat.
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Cylinder Head & Head Gasket Repair
A blown head gasket or a cracked cylinder head shows up as coolant in the oil, white smoke, or a compression loss you can measure across specific cylinders. We confirm which one it is before pulling the head, since the fix and the scope are very different.
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Emissions
DPF Cleaning & Forced Regen
When soot and ash load up faster than the truck can burn them off, regens get longer, power drops, and eventually the ECM derates you. We clean, diagnose, and force-regen on site — and tell you honestly whether the filter can be saved or needs replacing.
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Engine Derate Diagnosis & Repair
A derate means the ECM has decided the truck can't be trusted to run at full power — pull over safely, don't keep pushing it, and call. We read the fault code, trace it to sensors, DEF quality, or the aftertreatment system, and get you back to full power instead of just clearing the light.
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DEF & SCR System Repair
A DEF quality fault or an SCR efficiency code usually comes down to one of a handful of things — bad fluid, a failing sensor, a frozen line, or the catalyst itself losing efficiency after years of duty. We test each one separately instead of replacing parts until something clears.
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EGR Valve & Cooler Repair
White smoke at startup and coolant that disappears without a visible leak is the classic sign of a cracked EGR cooler letting coolant cross into the exhaust. We pressure-test the cooling system to confirm it before anything comes apart.
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Drivetrain
Transmission Repair
Jumping out of gear, grinding on a shift, or a truck that won’t shift at all — the fix depends on whether it’s the transmission itself, the clutch, or the electronics on an automated manual. We diagnose which system is actually at fault before opening anything up.
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Clutch Replacement
A slipping clutch, a clutch brake that won’t release cleanly, or a shudder on takeoff usually means the clutch assembly has worn past adjustment. We confirm it’s the clutch and not something else in the drivetrain before replacing it.
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Differential & Driveline Repair
A whine or howl from the rear end, or vibration through the driveline, usually points to ring and pinion wear, a failing carrier bearing, or a driveline balance issue. We isolate which one before opening the differential.
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Brakes & Air
Air Brake Repair & Service
Out-of-adjustment brakes are one of the most common reasons a truck fails a roadside inspection — and one of the easiest things to prevent. We inspect and adjust the whole system, not just the pads or shoes that are easy to see.
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Air Leak & Air System Repair
A truck that won’t build air pressure isn’t going anywhere — brakes need it to release. We work through the system in order: compressor, dryer, tanks, then lines, instead of guessing at the source.
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Electrical
Truck Diagnostics
A fault code tells you which circuit has a problem, not which part to replace — and swapping parts against a code is how shops waste your money. We read the code with the right tool for your platform and trace it to the actual cause.
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Electrical Repair
A no-crank, no-start, or a battery that won’t hold charge usually comes down to the charging system, the starting circuit, or a parasitic draw draining the batteries overnight. We test the circuit, not just swap the battery.
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Chassis
Suspension & Steering Repair
A truck that wanders, pulls, or rides rough usually points to worn suspension or steering components — air springs, torque rods, kingpins, or the steering gear itself. We inspect the whole front end before replacing individual parts.
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Commercial Truck Alignment
Misalignment doesn’t announce itself — it just eats tires faster than it should, one edge at a time, until a fleet manager notices the replacement schedule creeping up. We check thrust angle and toe on the whole tractor, not just the steer axle.
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Tire Service & Replacement
Uneven wear, a slow leak, or a blown casing on the road — we handle tire replacement, mounting, balancing, and flat repair for Class 6–8 trucks. Wear patterns often point back to alignment, and we check that connection instead of just swapping the tire.
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Compliance
DOT Annual Inspection
The federal DOT annual inspection (49 CFR 396.17) is required on every commercial vehicle every 12 months, and it’s not a formality — brakes, lights, tires, and leaks are what actually fail trucks. We inspect to the real standard, not a quick glance.
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Preventive Maintenance
PM-A, PM-B, and PM-C each cover more ground than the last, and running them on schedule is what keeps a truck earning instead of sitting in the bay for something that could’ve been caught early. We follow real mileage intervals, not a generic calendar.
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Specialty
Welding & Fabrication
A cracked frame rail, a broken bracket, or exhaust work that needs more than a clamp — we weld and fabricate to fix it properly rather than patch it. What the repair needs depends on where the damage is and how structural it is.
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HVAC & A/C Repair
Weak A/C, a heater that won’t warm the cab, or a system that’s lost its charge — we diagnose the actual component before recharging or replacing anything, since a recharge on a leaking system just means doing it again next month.
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