Texas DOT & FMCSA Commercial Truck Inspections San Antonio, TX

Inspector checking commercial truck with clipboard for DOT inspection in San Antonio TX
Our certified inspectors use a detailed checklist to ensure your semi-truck or commercial vehicle passes all required FMCSA and Texas DOT standards.

Official Texas DOT & FMCSA Inspection Station in San Antonio | Commercial Compliance

Automotive Brake & Clutch is an authorized Texas DPS Certified Inspection Station. We specialize in mandatory Texas DOT Inspections and FMCSA Annual Federal Inspections for semi-trucks, trailers, and commercial fleets at our San Antonio and Kirby facility.

As lead technical advisor with 30+ years of experience, Scott Duffek ensures every inspection meets strict safety standards. If repairs are needed to pass, we provide transparent diagnostic repair estimates for air brakes, lighting, and drivetrain components.

Official Inspection Requirements & Checklist

Commercial Air Brake System Compliance

During a Texas DOT or FMCSA inspection, the air brake system is the most scrutinized component. We verify the integrity of the compressor, air dryer, and brake chambers to ensure zero leaks. Our team inspects S-cam stroke and slack adjuster travel to guarantee your fleet meets all federal safety stopping distances.

Technical diagram of a heavy-duty truck air brake system for DOT inspection compliance in San Antonio

Commercial Air Brake Flow: Critical Safety Inspection Points

To ensure a fast turnaround, please bring these required items for your inspection:

  • Valid proof of Commercial Insurance (Digital or Paper).
  • The vehicle/trailer must be presented in a safe operating condition.
  • VIN Number accessible for electronic report filing.
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Verified Compliance: We Report to CARFAX®

We report all inspections and preventative maintenance to CARFAX. This creates a verified service history, which is critical for fleet audits and asset valuation.

San Antonio DOT Inspection FAQ

Are commercial safety inspections still required in Texas in 2026?
Yes. While passenger car inspections were eliminated, annual safety inspections remain mandatory for all commercial motor vehicles, trucks, and trailers in Texas to stay DOT and FMCSA compliant.

Schedule Your Mandatory Inspection