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Business Details
37 Years
experience
Your Trusted Auto Repair Partner in Deer Park, TX
Hellyer Transmission & Automotive has been serving the Deer Park community since 1989 with over 100 years of combined automotive and transmission service experience. Our family-owned business operates a 7,000-square-foot facility equipped with state-of-the-art tools to deliver top-quality repairs for foreign and domestic vehicles, including transmissions, alignments, and general automotive maintenance. Our team of ASE and ATRA certified technicians prioritizes customer satisfaction through transparent service and integrity-driven practices.

We specialize in handling complex repairs for light and medium-duty trucks while maintaining a commitment to resolving issues properly the first time. Our mission focuses on providing fair pricing, respecting customer needs, and ensuring long-term reliability through comprehensive warranties and expert diagnostics.
Services
Transmission Repair 4 Wheel Alignment Brake Repair Engine Diagnostics Suspension Services Cooling System Repair Differential Repair Tune-Ups Air Conditioning Repair Timing Belt Replacement
Details
  • Year established: 1989
Highlights and features
  • We offer over 35 years of family-owned automotive repair expertise.
  • Our technicians hold ASE and ATRA master certifications for quality assurance.
  • We utilize state-of-the-art diagnostic and alignment equipment.
  • We provide ATRA Nationwide Warranty coverage on transmission services.
  • Our 7,000-square-foot facility accommodates specialized repairs for large vehicles.
Associations and certifications
  • ASE
  • ATRA
What people say
Excellent professional service Nothing wrong, no repairs Warranty covered repairs Local shop integrity Professional manner
Services
Transmission Repair
Specialized transmission diagnostics, rebuilds, and maintenance for foreign and domestic vehicles. Our ATRA-certified technicians use advanced equipment to ensure smooth operation and longevity. Services include fluid changes, clutch replacements, and complete overhauls with nationwide warranty coverage.
4 Wheel Alignment
Computerized 4-wheel alignment using Hunter Hawkeye Elite systems for precise adjustments. Addresses tire wear, steering issues, and vehicle stability. Accommodates standard cars and large trucks with specialized alignment lifts for optimal performance.
Brake Repair
Comprehensive brake system inspections and repairs including pads, rotors, calipers, and hydraulic components. ASE-certified technicians ensure safety compliance and proper function. Offers emergency brake adjustments and anti-lock brake system diagnostics.
Engine Diagnostics
Advanced engine diagnostics and repair services for performance issues, check engine lights, and mechanical failures. Technicians use digital tools to identify problems in fuel systems, ignition components, and engine management systems for accurate fixes.
Suspension Services
Suspension system maintenance including shocks, struts, and steering components. Technicians address ride quality, handling, and safety concerns. Uses manufacturer-recommended parts for replacements and alignments to restore vehicle stability.
People
Mark Hellyer
Owner
Mark has operated in the automotive industry since 1989, expanding the business to a 7,000-square-foot facility with state-of-the-art equipment. He oversees daily operations and service quality assurance.
Robert Calhoun
Master Technician
With 40 years of experience, Robert holds ATRA Master Certification and ASE credentials in transmissions and vehicle alignments. He specializes in complex transmission diagnostics and repair procedures.
Scott Bottoms
Master Technician
Scott brings 20 years of automotive expertise with ATRA Master Certification. He regularly attends technical seminars to stay updated on evolving vehicle technologies and repair methodologies.
Gary Guettler
Senior Technician
Gary has over 35 years of experience and holds ASE certifications in brakes, heating/AC, and engine performance. He specializes in comprehensive system diagnostics and preventive maintenance solutions.
Brian Nicolas
Service Writer
Brian has 10 years of automotive service experience, managing customer interactions and coordinating repair processes. He applies management training to streamline service operations and client communications.
Questions
What services does Hellyer Transmission & Automotive offer?
We provide transmission repairs, 4-wheel alignments, brake services, engine diagnostics, suspension work, cooling system repairs, and general automotive maintenance for cars and trucks.
Are your technicians certified?
Yes, our team includes ASE and ATRA certified technicians with specialized training in transmission systems, vehicle alignments, and automotive diagnostics.
Do you offer warranties on repairs?
Yes, we provide an ATRA Nationwide Warranty on transmission services and stand behind all repairs with our satisfaction guarantee.
How can I schedule an appointment?
Call us at 281-479-1715 during business hours or contact us through our website to schedule your vehicle service appointment.
What areas do you serve?
We serve Deer Park, Houston metro areas, and surrounding communities including Pasadena, La Porte, Clear Lake, and League City, Texas.
Reviews (4)
Kim Meeks
Jun 19, 2022 Report
We have been bringing our cars here for years. Everyone is always professional and trustworthy. Fully recommended!
Debbie Jestice
Jun 15, 2022 Report
Been taking care of car for years. Will say if something not needed at this time. Customer service exceptional. Brian and crew know their stuff.
Ruby Moseley
May 24, 2022 Report
This shop is excellent honest and fair price. And they get your car back in timely manner. They did alignment on my nephew's truck and was extremely pleased. Thanks to Brian and the crew
Eyron Rodriguez
May 20, 2022 Report
Greqt service, good prices. Brian is the best. He will make you feel valued and respected. Definetely a repeat business for me. Thanks