Diesel Engine Repair San Antonio
Truckers in San Antonio, engine losing power? Strange noise under the hood? We fix diesel engines fast. Our mobile diesel mechanics diagnose and repair all major brands on-site, so your truck gets back on the road without costly delays.
Services List
#1 Certified Diesel Engine Mechanics, Trusted Since 1997
When your diesel engine starts acting up, don’t let it bring your business or schedule to a halt. At 210 Truck Repair, we offer mobile diesel engine repair in San Antonio, providing comprehensive diagnostics, maintenance, rebuilds, and performance repairs directly at your location. Our ASE-certified diesel mechanics are equipped to fix your truck fast, on-site and on time.
We handle everything from minor repairs to complete diesel engine overhauls for semi-trucks, box trucks, RVs, commercial diesels, and pickup trucks. You get dealer-level service without the towing delays or shop price. Serving San Antonio and surrounding areas.
Why are we Top Rated Diesel Engine Service in San Antonio?
Get a Diesel Engine Repair Quote in San Antonio Now
Whether it’s a fuel issue, turbo failure, or full engine overhaul, you don’t need to tow your truck anywhere. Just call 210 Truck Repair, and our certified diesel mechanics will come to you, diagnose the problem, and fix it fast.
Emergency On-Site Diesel Repairs in San Antonio
We offer same-day mobile diesel engine repair, including emergency diagnostics and towing when required.
- Emergency Diesel Truck Engine Repair: Fast, on-site breakdown response for semis, fleet trucks, box trucks, and commercial vehicles.
- On-Site Diagnostics & Troubleshooting: Full computer scanning and manual inspections at your breakdown location.
- Mobile Fuel Injector Repair or Replacement: Fix clogged, leaking, or misfiring injectors right on the roadside.
- Turbo & Boost Leak Inspections: On-site pressure testing and turbo system diagnostics.
- EGR & DPF Failure Response: Clean or replace components to get you back on the road and emissions compliant.
Call Now for Immediate Response, ASE-Certified Diesel Mechanics On the Way in 30 Minutes or Less.
Common Diesel Engine Problems We Fix in San Antonio
We fix all diesel engine issues and repairs. You’re likely experiencing one of these common issues:
Complete Diesel Engine Services for Heavy-Duty Trucks and Trailers
We offer full-service diesel engine repairs and maintenance in-shop or on-site for fleet and individual truck owners across San Antonio.
Diesel Engine Diagnostics
Advanced computer scans and manual fault checks for accurate issue pinpointing.
Diesel Engine Maintenance
Regular diesel oil changes, valve lash adjustments, fuel filter service, and tune-ups
Diesel Injector Repair | San Antonio
Clean, replace, or calibrate diesel fuel injectors for improved combustion and fuel efficiency.
Diesel Turbocharger Repair
Turbo replacements, actuator diagnostics, boost leak detection, and system rebalancing.
Diesel Head Gasket Replacement
Fix blown head gaskets causing compression loss, white smoke, or overheating.
Diesel EGR & Emissions System Maintenance
Ensure compliance with emissions regulations by cleaning or replacing EGR valves, DPF systems, and sensors.
Diesel Engine Overhaul
Complete teardown and rebuild of high-mileage or damaged engines to OEM specs.
Diesel Engine Rebuild
Full or partial rebuilds available on-site or at our San Antonio shop for major diesel platforms.
Brands & Diesel Engines We Work In San Antonio
We repair and maintain diesel engines for the top truck and vehicle brands in the U.S:
Engines: Cummins, Duramax, Power Stroke, Detroit Diesel, CAT, MaxxForce, Paccar.
Vehicles: Freightliner, Peterbilt, Kenworth, Western Star, RAM, Ford, Chevrolet, GMC, International, Isuzu, Mack, Volvo, RVs and Diesel Vans
Service Areas in San Antonio
Looking for a diesel mechanic near me? Our mobile diesel techs serve all of San Antonio and surrounding regions:
We Cover:
Henderson Pass • Downtown San Antonio • Alamo Heights • Leon Valley • Helotes • Converse • Universal City • Windcrest • Balcones Heights • Stone Oak • Live Oak • Kirby • Castle Hills • Schertz • Boerne • 78215, 78229, 78258 & more
dIESEL eNGINE Past Work
What Our Diesel Repair Clients Say
Mark H.
San Antonio TX
“I drive a 6.7L Cummins and had major injector problems on the job. 210 Truck Repair showed up within 30 minutes and fixed it on-site. Highly recommend!”
Raymond V
Stone Oak
“The power on my Duramax was dropping, and I thought I was facing a rebuild. Turns out it was a simple turbo actuator issue. Honest, fast, and mobile, these guys saved me big.”
Luis R
Boerne TX
“I’ve used a lot of diesel mechanics, but these guys are the best. Clean work, certified team, and they explain everything. I won’t use anyone else.”
