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Heavy-duty commercial truck fleet repair facility
Founded 1985 • San Antonio, Texas

Expert Medium-Duty Brake & Drivetrain Authority

Driven by decades of master-level expertise in medium-duty hydraulics and diesel compliance. San Antonio’s premier facility for commercial fleets and vocational vehicles.

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Texas DPS Certified
Official Vehicle Inspection Station
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EPA Certified 608/609
Mobile A/C & Refrigeration Experts
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NAPA TruckCare Center
Nationwide Peace of Mind Warranty
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CARFAX® Partner
Verified Service History Reporting

San Antonio Fleet & Diesel Services

Dedicated to solving complex mechanical failures where other shops stop. We specialize in Class 5-8 truck systems and high-precision drivetrain diagnostics.

Hydro-Max & Brake Service

Expert troubleshooting for Hydro-Max boosters, master cylinders, and air brake systems. We solve the “hard pedal” and low-flow issues common in medium-duty trucks.

Technical Brake Info →

Heavy-Duty Clutch & Flywheel

Specialized semi-truck clutch replacements and in-house flywheel resurfacing. Precision balancing ensures long-term drivetrain reliability for commercial fleets.

Drivetrain Services →

Diesel Repair & DOT Compliance

Comprehensive diesel diagnostics for Cummins, Power Stroke, and Duramax. We are a certified Texas DOT Inspection station for all vocational vehicles.

Diesel Compliance →

Why San Antonio Fleet Managers Choose Us

Since 1985, Automotive Brake & Clutch has stood as a pillar of the San Antonio automotive community. Our master technicians leverage decades of hands-on field experience to provide diagnostic accuracy that generalist shops simply can’t match.

We don’t just “swap parts”—we utilize OEM software (Cummins Insite, J-Pro) and specialized hydraulic testing to verify failures before you spend a dime on repairs, keeping your fleet on the road and your downtime to a minimum.

Service Highlights:

  • ✔️ Verified CARFAX® Service Reporting
  • ✔️ Official Texas Vehicle Inspection Station
  • ✔️ Specialized Hydraulic Press Work
  • ✔️ Medium-Duty Driveline Balancing
  • ✔️ Expert Fleet Maintenance Scheduling

Hard-To-Find Parts, Shipped Nationwide

Searching for specialized Bexar Pro Components or rare Hydro-Max reservoirs? We inventory the technical parts that keep American fleets moving.

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