Diesel Repair Blog
Read technical articles and practical diesel maintenance information from the STL Diesel team.
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Why choose us
STL Diesel is a diesel and gas repair shop in Crystal City, Missouri specializing in Ford Power Stroke, Ram Cummins and Chevrolet/GMC Duramax trucks. Our team provides diagnostics, maintenance, fuel and cooling system service, electrical diagnosis, and drivetrain repair including transmissions, transfer cases and differentials. Our mission is to diagnose and repair vehicles to a high industry standard while respecting our customers' time and money. We treat every vehicle as if it were our own and give customers the information they need to keep their trucks running safely and efficiently.
Meet our TeamStart with setting up your Appointment with us Today!
Providing our FREE Multi-point inspection to ensure all our customer's vehicles are safe for travel
Our top of the line Diagnostic Equipment provides a high quality and accurate diagnosis for your diesel truck
Our customized "Health" assessment of your diesel truck will provide you the information needed to continue keeping your diesel truck running properly
MAKING DIESELS GREAT AGAIN
Maintain your Diesel
Fuel Injection Cleaning Service
- Improved fuel efficiency
- Enhanced engine performance
- Reduced emissions
- Prevention of engine damage caused by clogged or faulty injectors
Cooling System Service
- Removes corrosion, tough residues, built-up scale, oil, and harsh mineral deposits
- Protects against foaming and corrosion and restores critical coolant additive balance and coolant pH.
Oil change with EPR/DOC Cleaning
- EPRĀ® softens and dissolves hard-to-remove deposits from piston rings and cleans micro passageways to maintain the critical hydraulic function of components
- DOCĀ® Maintains like-new diesel engine power and performance and prevents sludge with soot scatter technology
Fuel Injection Cleaning Service
- Improved fuel efficiency
- Enhanced engine performance
- Reduced emissions
- Prevention of engine damage caused by clogged or faulty injectors
Cooling System Service
- Removes corrosion, tough residues, built-up scale, oil, and harsh mineral deposits
- Protects against foaming and corrosion and restores critical coolant additive balance and coolant pH.
Oil change with EPR/DOC Cleaning
- EPRĀ® softens and dissolves hard-to-remove deposits from piston rings and cleans micro passageways to maintain the critical hydraulic function of components
- DOCĀ® Maintains like-new diesel engine power and performance and prevents sludge with soot scatter technology
Fuel Injection Cleaning Service
- Improved fuel efficiency
- Enhanced engine performance
- Reduced emissions
- Prevention of engine damage caused by clogged or faulty injectors
Cooling System Service
- Removes corrosion, tough residues, built-up scale, oil, and harsh mineral deposits
- Protects against foaming and corrosion and restores critical coolant additive balance and coolant pH.
Oil change with EPR/DOC Cleaning
- EPRĀ® softens and dissolves hard-to-remove deposits from piston rings and cleans micro passageways to maintain the critical hydraulic function of components
- DOCĀ® Maintains like-new diesel engine power and performance and prevents sludge with soot scatter technology
Diesel Repair Knowledge Center
Learn about diesel diagnostics, common truck problems, maintenance and repair from STL Diesel in Crystal City, Missouri. Our website includes repair information for Ford Power Stroke, Ram Cummins and Chevrolet/GMC Duramax owners.
Read technical articles and practical diesel maintenance information from the STL Diesel team.
Read the BlogFind answers to common Power Stroke, Cummins and Duramax questions, symptoms and repair concerns.
Visit the FAQExplore diagnostics, maintenance, fuel and cooling system service, electrical diagnosis and drivetrain repair.
View ServicesSTL Diesel Quick Answers
STL Diesel services Ford Power Stroke, Ram Cummins and Chevrolet/GMC Duramax diesel trucks.
STL Diesel is located at 520 N. Truman Blvd., Crystal City, MO 63019.
Yes. STL Diesel provides diesel diagnostics and health assessments, including drivability, fuel, cooling and electrical concerns.
Yes. STL Diesel repairs transmissions, transfer cases and differentials in addition to engine-related diesel systems.
Working hours
Mon - Fri: 8 am - 6 pm
Sun - Sat: CLOSED
Our address
520 N. Truman Blvd., Crystal City, MO 63019