Your Solution For Transmission Issues
Thank you for choosing Guaranteed Transmission. We have over 40 years of experience repairing transmissions for vehicles in San Antonio, Texas, and surrounding areas. From automatic transmission repair and clutch repair and replacement to manual transmission repair and transfer case repair and rebuilding, our company does it all. We specialize in computer diagnostics, transmission replacement, and several other services. Our diagnostic exams involve connecting a scan tool to the onboard computer system of your vehicle. This same onboard computer system communicates the issue to the tool, which helps our technicians determine the source of the issue quickly. Clients choose us because we always go the extra mile for them. Our team is always timely, honest, and transparent. There are never any hidden fees, and the job isn’t finished until you’re satisfied. Ask about our transmission warranties. Call us now for service!
Complete Transmission Services
- Transmission Overhaul
- Clutch And CV Axles
- Transmission Diagnostics
- Fluid Exchange
- 4x4 Repairs
- Differentials
- Check Engine Light
- Fleet Services
- Diesel Repair
- Hybrid Services
- Computer Diagnostics
- Drive Shaft
Transmission Repair FAQ
Q. How Do I Know if My Vehicle Needs Transmission Repairs?
A. Signs you require transmission repair in San Antonio, TX, include slipping gears, delayed engagement, grinding noises, fluid leaks, or the check engine light. These indicate internal damage or system failure. At Guaranteed Transmission, we use advanced diagnostics to pinpoint issues early and prevent costly breakdowns. Ignoring symptoms can lead to complete transmission failure. Choosing a dedicated transmission shop ensures accurate repairs by specialists, not general mechanics. For reliable transmission repair, call Guaranteed Transmission at (210) 953-1100 today.
Q. What Makes a Professional Transmission Shop Different From a General Auto Repair Facility?
A. A professional transmission shop in San Antonio, TX, like Guaranteed Transmission, focuses exclusively on transmission and drivetrain systems. We use specialized tools, factory-level software, and certified technicians trained in modern transmission technology. Unlike general repair shops, we have decades of experience diagnosing and repairing complex automatic, manual, hybrid, and diesel transmissions. This expertise ensures precise, long-lasting repairs. Our commitment to transparency and quality has made us a trusted transmission shop in the area.
Q. Can Transmission Repair Be Completed Quickly Without Sacrificing Quality?
A. Yes. At Guaranteed Transmission, we combine speed with precision using professional diagnostics and streamlined processes. Most minor repairs, like solenoid replacements or fluid exchanges, are completed in one day. Major repairs take 2–4 days, depending on complexity. We never rush work at the expense of reliability. With over 40 years of experience, our team delivers fast, high-quality transmission repairs—done right the first time.
Q. Do You Offer Services Beyond Basic Transmission Repair?
A. Yes. In addition to transmission repair services, we provide complete transmission services in San Antonio, TX, including clutch and CV axle repair, differential service, 4x4 and diesel repairs, hybrid diagnostics, drive shaft alignment, and fleet maintenance. Our full range of solutions ensures every drivetrain component is optimized for performance and durability.
Q. Are Preventive Maintenance Services Worth It for Long-Term Transmission Health?
A. Yes. Regular maintenance prevents major failures. At Guaranteed Transmission, our preventive transmission services include fluid exchanges, inspections, and computer diagnostics to detect early wear. Clean fluid and timely service extend transmission life and improve efficiency. As a trusted transmission shop in San Antonio, TX, we recommend maintenance every 30,000–60,000 miles based on your driving conditions.
Why Choosing a Professional Local Shop Matters
When facing transmission issues, selecting a qualified, local specialist like Guaranteed Transmission ensures your vehicle receives accurate diagnosis and reliable repair. Unlike general mechanics, we focus exclusively on transmission systems, combining over 40 years of experience with advanced computer diagnostics to identify problems quickly and correctly. As a locally trusted shop in San Antonio, TX, we understand regional driving conditions—from heat stress to stop-and-go traffic—and how they impact transmission performance.
Our technicians are trained in the latest technologies, including hybrid and diesel systems, and we stand behind every repair with comprehensive warranties. No hidden fees, no unnecessary upsells—just honest, transparent service. Choosing a dedicated transmission shop means faster turnaround, long-term solutions, and peace of mind knowing your vehicle is in expert hands.
Call Us At (210) 953-1100 For Transmission Service
