
Our Services
At Dominex Truck Repair, we provide end-to-end heavy-duty truck repair solutions — from advanced diagnostics and major rebuilds to preventive maintenance and 24/7 emergency roadside support. Our experienced technicians deliver precise, transparent, and dependable service to minimize downtime and keep your fleet moving.

Powertrain & Performance Repair
Engine, Fuel, Air & Transmission Service
Complete heavy-duty powertrain service including engine diagnostics, in-frame and out-of-frame rebuilds, cylinder head testing, fuel system cleaning, high-pressure pump service, air management diagnostics, and Eaton/Fuller transmission and clutch repairs. We restore performance, efficiency, and reliability for commercial trucks and fleets.
Key Capabilities
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Engine tear-down & rebuild
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Fuel injector & pump service
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CAC/boost leak diagnostics
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Transmission, clutch & driveline repair

Emissions, Electrical & Diagnostics
Advanced Troubleshooting & System Repair
Expert electronic and emissions diagnostics covering ECM fault codes, wiring and sensor repairs, ABS systems, dashboard warnings, and complete aftertreatment solutions including DPF cleaning coordination, DEF system repairs, SCR efficiency issues, and regen failure recovery to keep your truck compliant and operational.
Key Capabilities
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ECM & sensor diagnostics
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DPF/DEF system repair
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Regen failure troubleshooting
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Wiring & harness repair

Brakes, Suspension & Undercarriage
Safety, Stability & Compliance
Full-service mechanical repair for air brake systems, suspension components, steering systems, wheel ends, and frame inspections. We service air governors, valves, air dryers, torque rods, cab airbags, hubs, bearings, and steering systems to ensure safety, handling, and DOT compliance.
Key Capabilities
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Air brake diagnostics & repair
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Suspension & frame inspection
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Steering system service
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Wheel end & hub maintenance
Preventive Maintenance & 24/7 Roadside
Fleet Care & Emergency Support
End-to-end preventive maintenance and emergency services including PM A/B/C, seasonal and pre-DOT inspections, fleet health reports, and 24/7 mobile roadside assistance. We provide on-site diagnostics, temporary roadside repairs, tire service, and battery support to minimize downtime.
Key Capabilities
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PM A/B/C services
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DOT inspections
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Roadside tire service
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Mobile diagnostics & battery support
Our Full-Service Repair Capabilities
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Complete engine tear-down & inspection
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In-frame overhaul (liners, pistons, rings, bearings)
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Out-of-frame rebuild & engine replacement
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Cylinder head pressure testing & rebuild
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Head gasket & head bolt replacement
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Camshaft, lifters & rocker assembly service
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Crankshaft inspection & bearings
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Oil pump replacement
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Front & rear main seal repair
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Oil pan gasket & major oil leak repairs
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Overhead set / valve lash adjustment
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Engine brake (Jake brake) repair
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Intake & exhaust manifold repairs
