Built on Experience, Expertise, and Trust
Meet the leadership and certified mechanics providing expert
auto and heavy-duty truck repair
in San Antonio since 1985.
Scott Duffek
President | Lead Technical Advisor | ASE Certified Parts Specialist | Texas DPS Certified Inspector
Scott Duffek is the President and Lead Technical Advisor of Automotive Brake & Clutch, a cornerstone of the San Antonio automotive and truck repair community since 1985. With over 30 years of hands-on expertise, Scott provides authoritative oversight for every service performed in our Kirby, TX facility. He serves as the primary technical liaison for both local repair customers and a nationwide network of specialized automotive parts buyers.
Technical Expertise & Authoritative Leadership
Scott’s decades of experience are rooted in mastering the complexities of medium-duty brake systems and drivetrain hydraulics. As an ASE Certified Parts Specialist, he possesses a verified, professional-level mastery of component identification and procurement. This expertise is critical for our Texas DOT Commercial Inspection Station, where Scott ensures that every commercial fleet repair and Hydromax brake booster service meets strict safety and DOT compliance standards.
A Trusted Resource for Truck & Automotive Solutions
Leveraging his profound knowledge as an Online Parts Specialist, Scott identifies and supplies hard-to-find Wagner Brake parts and high-performance components for:
- Commercial Trucks: Medium-duty fleets, delivery vehicles, and DOT-regulated trucks.
- Hydraulic Brake Systems: Expert sourcing for Hydromax units and master cylinders.
- Automotive Clutch Systems: Precision clutch slave cylinders and hydraulic repair solutions.
Community Commitment & Professional Integrity
Beyond the shop, Scott’s dedication to the greater San Antonio area is reflected in his three years of service as a Kirby City Council Member. This commitment to public service, combined with a family legacy of technical excellence since 1985, makes him a trusted figure for those seeking honest auto repair and professional mechanical solutions with integrity.
Michael Blanding
Shop Foreman | Master Specialist | Lead Inspector
Michael Blanding
Shop Foreman | Lead Diesel Mechanic | EPA Certified MVAC Specialist
As Shop Foreman, Michael Blanding directs the technical operations and quality control for Automotive Brake & Clutch. With 13 years of specialized experience, Michael leads our diesel repair division, overseeing everything from foundational brake service to high-stakes powertrain repairs and engine swaps. His leadership ensures that every vehicle leaving our Kirby, TX facility meets the rigorous performance standards our customers have expected since 1985.
Advanced Certifications & Technical Expertise
Michael’s role as a Certified Diagnostic Specialist is backed by verifiable expertise in heavy-duty systems. He provides San Antonio fleet managers and truck owners with authoritative solutions for:
- Diesel Engine & Powertrain: Expert diagnostics for medium and heavy-duty diesel platforms.
- Texas DPS Certified Inspections: Serving as a lead inspector for our Official DOT Commercial Inspection Station.
- EPA Section 608/609 Certified: Federally authorized for expert Mobile A/C (MVAC) refrigerant handling and climate control repairs.
- OEM-Level Diagnostics: Utilizing advanced technology to solve complex electrical and mechanical failures across all makes and models.
Serving the San Antonio and Kirby area, Michael combines technical mastery with professional integrity. Whether managing a complex diesel overhaul or a routine safety inspection, his oversight guarantees that your service is performed accurately and to the highest industry standards.
Tyler Machicek
Diesel Technician | Fleet Diagnostics | Heavy-Duty Specialist
Tyler Machicek
Diesel Technician | Diagnostic Specialist | US Army Veteran
Tyler Machicek is a precision-focused Diesel Technician at Automotive Brake & Clutch. A US Army Veteran, Tyler brings a disciplined, mission-first approach to every commercial truck repair in our Kirby, TX facility. He holds an Associate in Arts in Diesel Technology from St. Philip’s College, combining formal academic training with over seven years of specialized field experience in the San Antonio area.
Advanced Diagnostics & Engine Expertise
Tyler specializes in minimizing downtime for fleet operators by utilizing industry-leading diagnostic platforms to solve complex mechanical and electrical failures:
- Heavy-Duty Platforms: Expert diagnosis and repair for Detroit Diesel DD15 and Cummins ISX 15/12 engines.
- Advanced Software Mastery: Authoritative use of Cummins Insite, Allison Doc, and J Pro for rapid fault resolution.
- Emissions & Aftertreatment: Specialized service for diesel aftertreatment systems (DPF/SCR) and complex electrical diagnostics.
- Braking & Safety Systems: Precision maintenance for Air/S-cam brakes and resolution of persistent ABS and engine DTC faults.
- EPA Section 608/609 Certified: Federally authorized for expert Mobile A/C (MVAC) refrigerant services.
From driveline and suspension overhauls to managing diverse truck and trailer configurations, Tyler’s versatile skillset makes him an authoritative resource for San Antonio businesses. His commitment to quality ensures that every repair is performed with the accuracy required to keep your fleet safe and compliant.
Taylor Murphy
ASE Master Truck Technician | Fleet Specialist
Taylor Murphy
ASE Master Automotive Technician | Medium-Heavy Truck Specialist | Fleet Mechanic
Taylor Murphy is a highly certified Fleet Mechanic at Automotive Brake & Clutch, bringing over 10 years of intensive experience to the San Antonio commercial repair industry. Taylor’s expertise is officially verified by his ASE Master Automotive Technician Certification and his specialized ASE Medium-Heavy Truck Certification, confirming a top-tier mastery of complex repairs for all commercial trucks and trailers in our Kirby, TX facility.
Specialized Fleet & Heavy-Duty Expertise
As a dedicated fleet specialist, Taylor excels at proactive preventative maintenance (PM) and advanced diagnostics. His proficiency ensures San Antonio commercial clients minimize asset downtime through expert service of:
- Air Brake & Hydraulic Systems: Critical safety repairs for medium and heavy-duty vehicles, including S-cam and air disc systems.
- Diesel Engine Repair: Comprehensive maintenance, overhauls, and troubleshooting for commercial powerplants.
- ASE Certified Systems: Nationally verified mastery of steering, suspension, and drivetrain components.
- EPA Section 608/609 Certified: Federally authorized competence in Mobile A/C (MVAC) refrigerant services and climate control.
Taylor’s versatility as an authoritative fleet mechanic makes him a vital resource for San Antonio businesses. From essential brake repair to major equipment overhauls, Taylor ensures every vehicle is road-ready and compliant with the highest industry standards.
Dra Johnson Felcher
Heavy Equipment | Clutch | Industrial Specialist
Dra Johnson Felcher
Heavy Equipment Mechanic | Hydraulic Specialist | Diesel Systems Technician
Dra Johnson Felcher is a highly versatile mechanic at Automotive Brake & Clutch, specializing in heavy equipment maintenance and complex hydraulic systems. With a comprehensive background in industrial repair, Dra provides expert troubleshooting and diagnostics for commercial clients throughout the San Antonio and Seguin, TX service areas from our Kirby facility.
Specialized Hydraulic & Heavy-Duty Expertise
Dra’s technical expertise is rooted in complex installations and the maintenance of heavy-duty commercial assets. He brings a unique versatility to our shop, specializing in:
- Hydraulic Wet Kits: Expert installation and service of wet kits for semi-trucks, dump trailers, and auxiliary power units.
- Drivetrain & Chassis: Precision repair of heavy-duty clutches, axles, steering gears, and suspension components.
- Engine Support Systems: Comprehensive maintenance for diesel fuel systems, heavy-duty starters, and engine cooling systems.
- EPA Section 608/609 Certified: Federally authorized for professional Mobile A/C (MVAC) refrigerant handling and climate control diagnostics.
Dra’s experience with preventative maintenance (PM) and industrial automation diagnostics makes him an invaluable resource for solving hard-to-track mechanical issues. His focus on efficiency ensures minimal downtime for San Antonio fleet owners and heavy equipment operators who require reliable, heavy-duty performance.
Want to join the team?
Join Our San Antonio Auto & Truck Repair Team
We are always looking for ambitious, enthusiastic specialists to join our San Antonio diesel and heavy-duty repair crew. If you have verifiable expertise in diesel diagnostics, hydraulic systems, or advanced clutch repair, we want to hear from you.
Ready to Apply? Contact Us Directly:
Shop Location: 5241 Old Seguin Rd, San Antonio, TX 78219
Show us what sets you apart. Detail your unique technical background and the value you bring to our specialized automotive and industrial company.
PROUDLY CERTIFIED & AFFILIATED WITH:
ASE (Automotive Service Excellence)
Texas DPS / DOT
EPA Section 608/609
Bexar County Commercial Inspection
Technical Oversight & Precision Diagnostics
At Automotive Brake & Clutch, our diagnostics go beyond simple code-scanning. Lead Advisor Scott Duffek and our ASE Master Technicians personally oversee complex Hydromax brake booster overhauls and hydraulic brake systems.
By utilizing OEM-level software like Cummins Insite and Allison, we provide definitive resolution for persistent ABS and engine DTC faults. This high-level technical oversight ensures that San Antonio fleet operators receive accurate repairs the first time—eliminating “parts-changing” and maximizing vehicle uptime.
