Open 24 hours, 7 days a week. Engine, brakes, transmission, ABS, diagnostics — El Flaco shows up fast and gets it right. Best prices in the Valley.
5.0★
Google Rating
38+
5★ Reviews
24/7
Always Open
2hr+
Avg Response
Why El Flaco
"Within 2 hours of contacting him I was already rolling with my semi truck." That's the standard at El Flaco — fast response, honest pricing, and the skill to fix it right the first time.
What We Fix
Serving Los Fresnos, Harlingen, Brownsville and the entire Rio Grande Valley — Freightliner, Kenworth, Peterbilt, Volvo, International, Mack, Western Star.
Complete engine overhaul, rebuild, and repair. Cummins, Detroit Diesel, PACCAR MX, Caterpillar — diagnosed correctly and fixed to last.
Air brakes, drum brakes, brake chambers, slack adjusters and full axle inspection. DOT-compliant repair, done right at your location or ours.
Manual and automatic transmission repair, rebuild, and replacement. Clutch adjustment and replacement. Allison, Eaton Fuller — running smooth.
ABS module, wheel speed sensors, ABS wiring and control unit diagnosis and repair. Keep your truck's braking system DOT-ready and safe.
Full oil and filter change, fluid top-offs, belt inspection and PM service. Keep your truck maintained and out of the shop — done at our location or yours.
Advanced ECM/ECU diagnostics for all major truck brands. Fault code reading, sensor calibration and DPF/DEF system diagnosis — explains every step before any repair.
The Shop
What Drivers Say
"I was stuck on the side of the road. Within 2 hours of contacting him I was already rolling with my semi truck. Fast, reliable, and very affordable."
Esequiel Alvarenga
a year ago · Google
"Fast and decent prices. Gets to the problem, explains the process, and explains what needs to be done. No surprises."
Jose Sanchez
5 months ago · Google
"Excellent service. I want to thank you for doing an excellent job repairing my Kenworth T680. 👍"
Peter Barrera
a year ago · Google
5.0★
"Within 2 hours of contacting him I was already rolling." — That's El Flaco's standard on every single call.
Los Fresnos, TX · 24/7
38 Reviews · 5.0★
Brands We Service
Available 24/7