Diesel Repair.Zero Guesswork.
Every service starts with a real diagnostic — not a guess. We find the root cause, give you an honest estimate, and get your truck back on the road. If we can't identify the problem, you don't pay.
Every job starts with a real diagnostic — not a guess. Click any service to learn more.
Diagnostics & ECM Scanning
Full ECM scan, live data analysis, fault code interpretation, and root-cause diagnosis. We pinpoint the problem in 60 minutes — so you know exactly what's wrong before a single wrench turns.
Engine Repair
Oil leaks, turbo failures, in-frame and out-of-frame rebuilds on Cummins, Detroit, PACCAR, and Volvo.
Aftertreatment
DPF, DOC, SCR, and DEF system repair. We fix the root cause of derates — not just the codes.
Transmissions
Allison, Eaton Fuller, I-Shift, DT12. Diagnostics, clutch work, and full rebuilds — automatic and manual.
A/C & HVAC
Leak detection, compressor replacement, system recharge, and full climate control diagnostics.
Inspections
DOT, BIT, and 90-day inspections. Fast turnaround, proper documentation for CHP audits.
Oil & Fluids
Engine oil, coolant, transmission fluid, DEF, and differential service. OEM-spec products for every platform.
Electrical
Wiring diagnosis, parasitic draws, sensor faults, battery and alternator service. We trace circuits — not guess.
CARB Testing
Clean Truck Check testing with CARB-approved equipment. Fail? We diagnose, repair, and retest on-site.
Brakes
Air brake service, ABS diagnosis, drum and rotor work, slack adjusters, and full overhauls. DOT-ready every time.
Suspension
Air ride, leaf springs, shocks, cab mounts, and ride height correction. Stable loads, even tire wear.
DEF System
DEF pump, injector, tank heater, and quality sensor repair. Stop the derate countdown and get back on the road.
Everything owner-operators and fleet managers ask before their first visit.
Call or text us directly. We'll give you a straight answer.
What makes LTEK different from other diesel shops?+
We're a diagnostics-first shop. We connect to your ECM, read live data, and trace every problem to its root cause. Transparent estimate before work begins, and everything backed by a warranty.
How fast can you diagnose my truck?+
In most cases, full diagnostic report with a repair estimate within 60 minutes. Your truck sitting means you're losing money — diagnostics are always prioritized.
How much does a diagnostic cost?+
Call us for current pricing. Our No Fix, No Fee policy means if we can't identify the issue, you don't pay for the diagnostic. Full report and estimate before any work begins.
Do you work with fleets?+
Yes. Dedicated fleet programs with priority scheduling, automated tracking, compliance management, and fleet pricing. Learn about fleet services →
What trucks do you service?+
Freightliner, Peterbilt, Kenworth, Volvo, International, and Hino — with expertise on Cummins, Detroit, PACCAR, and Volvo engines.
Do you handle CARB and DOT inspections?+
Yes. DOT, BIT, 90-day, and CARB Clean Truck Check testing — including repairs needed to pass compliance.
Do you offer warranties on repairs?+
All repairs come with a 1-year workmanship warranty. Parts covered by manufacturer warranty unless otherwise stated.
Do I need an appointment?+
Appointments are recommended so we can prioritize your truck, but we accommodate walk-ins when possible. Book online or call us at (619) 848-0459.
Neither Can We.
Same-day diagnostics. Transparent estimates. No guesswork. No Fix, No Fee guarantee. Call now or book online — we'll get you back on the road.
