STL Diesel Repair Services
STL Diesel services diesel trucks and gas vehicles in Crystal City, Missouri. Explore our diesel truck services or select gas vehicle services to see how we can help with diagnosis, maintenance, A/C, suspension, engine and transmission concerns.
Choose a vehicle type below to explore our services.
Diesel Diagnostics
STL Diesel provides diagnostic testing and diesel health assessments to help identify drivability concerns and other repair needs before parts are replaced.
Our goal is to give owners useful information about the condition of their diesel truck so repair and maintenance decisions can be made with confidence.
Maintenance
Diesel maintenance services available at STL Diesel include oil changes, engine coolant exchange, fuel-filter replacement, brake-fluid checks and exchange, and air-conditioning system checks.
Oil-system restoration is also available with qualifying oil-change services.
Fuel System
Fuel-system service is available to help maintain diesel engine performance and address maintenance needs involving the fuel-injection system.
STL Diesel services fuel systems on Power Stroke, Cummins and Duramax applications.
Cooling System
Cooling-system maintenance helps remove old coolant, corrosion, scale and other contaminants while restoring proper coolant protection.
Cooling-system service is available for diesel trucks and other vehicles serviced by STL Diesel.
Electrical
STL Diesel performs electrical diagnosis as part of its repair services. Electrical testing is used to identify faults before repair decisions are made.
Drivetrain
STL Diesel repairs drivetrain components including transmissions, transfer cases and differentials.
These services complement the shop's diesel engine diagnostics and maintenance work, allowing more of the truck to be serviced in one location.
Diesel Truck Specialists
Diesel diagnostics, maintenance and repair for Ford Power Stroke trucks.
Diesel diagnostics, maintenance and repair for Dodge and Ram Cummins trucks.
Diesel diagnostics, maintenance and repair for Chevrolet and GMC Duramax trucks.
Diesel Platform Specialists
Choose your truck platform for engine-specific diagnostic and repair information from STL Diesel in Crystal City, Missouri.
Gas Vehicle Services
From a check engine light to routine maintenance and larger repairs, our team diagnoses the concern and explains the recommended work before repairs begin.
Engine Diagnosis
We investigate check engine lights, rough running, loss of power, hard starts and other gas engine concerns. Testing helps identify the cause before a repair is recommended.
A/C Diagnosis
If your A/C blows warm, cools poorly or stops working, we diagnose the system and recommend the repair needed to restore cabin comfort.
Maintenance
Keep up with oil changes, filters, fluid services and scheduled maintenance based on your vehicle's needs and manufacturer recommendations.
Suspension
We diagnose clunks, uneven tire wear and ride or handling concerns, then recommend suspension repairs based on what the inspection finds.
Engine Work
From leaks and cooling concerns to internal engine problems, we assess the condition, explain the repair options and perform the agreed engine work.
Transmissions
Shifting concerns, leaks and other transmission problems start with a diagnosis. We explain the findings and available service or repair options.
Have a different gas vehicle concern? Contact our team to discuss it.
Common Service Questions
STL Diesel services Ford Power Stroke, Dodge/Ram Cummins and Chevrolet/GMC Duramax diesel trucks.
Yes. STL Diesel provides diesel diagnostic testing and health assessments before repair decisions are made.
Yes. STL Diesel repairs transmissions, transfer cases and differentials in addition to engine-related diesel systems.
Yes. We offer gas engine and A/C diagnosis, maintenance, suspension and engine repair, and transmission service. Select the Gas Vehicle Services tab above for details.
STL Diesel is located at 520 N. Truman Blvd., Crystal City, MO 63019. Call 636-465-0585 to contact the shop.