Business Details
50+ Years
experience
Your Trusted Partner for Auto Repair Solutions
Since 1965, AC Transmission has been a trusted leader in automotive repair services, specializing in transmission systems and drivetrain components. Our ASE-certified technicians combine decades of experience with state-of-the-art diagnostic equipment to deliver precise, reliable solutions for domestic and foreign vehicles. We prioritize customer satisfaction through transparent communication, offering free initial diagnostics, financing options, and complimentary towing for major repairs. Our commitment to excellence is reflected in our ATRA and ATSG certifications, ongoing technical training, and membership in industry-leading organizations.Serving Denver and surrounding areas, we maintain a clean, well-equipped facility where every repair is backed by comprehensive warranties. Customer testimonials consistently highlight our honesty, technical expertise, and personalized service approach. With over 55 years of continuous operation, we've built lasting relationships by addressing both immediate repair needs and long-term vehicle maintenance requirements. Our team's hands-on involvement from diagnosis to completion ensures every client receives expert care tailored to their specific automotive needs.
Services
Transmission Rebuilds
Clutch Repair
Drivetrain Services
Transmission Inspection
Brake Repair
Tune Up
Diesel Transmission
4WD Transmission
Automatic Transmission
Manual Transmission
Details
- Year established: 1965
Highlights and features
- 55+ years of specialized transmission repair experience
- ASE-certified technicians with ongoing industry training
- Free initial diagnostics and comprehensive repair estimates
- State-of-the-art diagnostic equipment and OEM parts
- Complimentary towing for major repairs in Denver metro
Associations and certifications
- ATRA
- ASE
- ATSG
- TRNI
What people say
Honest and upfront
Saved me $1500
Explained everything in detail
Timely results
Professional and friendly
Services
Transmission Rebuilds
Our certified technicians specialize in complete transmission rebuilds for domestic and foreign vehicles. Using OEM parts and advanced diagnostic equipment, we restore transmission functionality while maintaining factory specifications. Each rebuild includes comprehensive component inspection, replacement of worn parts, and post-repair testing to ensure optimal performance. With over 55 years of experience, we handle complex repairs for manual, automatic, and diesel transmissions, providing lasting solutions that extend vehicle lifespan.
Brake Repair
We offer complete brake system diagnostics and repair services, including pad replacement, rotor resurfacing, and hydraulic system maintenance. Our technicians perform thorough inspections to identify wear patterns and potential failures. Using quality components, we ensure proper brake function for safety and performance. The service includes adjustment verification, fluid checks, and wear analysis to prevent future issues while maintaining manufacturer safety standards.
Drivetrain Services
Our drivetrain specialists handle differential, driveshaft, and U-joint repairs for 4WD/AWD vehicles. Services include vibration analysis, component inspection, and fluid maintenance. We use specialized tools to diagnose alignment issues and wear patterns. Repairs follow manufacturer specifications for torque settings and lubrication requirements, ensuring smooth power transfer from transmission to wheels while preventing premature component failure.
Clutch Repair
We provide clutch diagnostics and replacement using OEM LUK/DAIKIN components. Our process includes flywheel inspection, release bearing replacement, and hydraulic system checks. Technicians verify proper engagement patterns and adjust linkage for optimal performance. The service addresses slipping, hard engagement, and abnormal noises while ensuring smooth gear transitions and complete disengagement during pedal operation.
Transmission Inspection
Our comprehensive inspection includes computer code analysis, fluid condition assessment, and road testing. Technicians check shift patterns, pressure levels, and mechanical integrity using specialized tools. The service identifies early warning signs like solenoid malfunctions or clutch wear, providing detailed reports with repair recommendations. This proactive approach prevents major failures while maintaining transmission longevity through timely interventions.
People
Chris
Owner
Chris leads AC Transmission's hands-on operations, combining technical expertise with business leadership. With decades of industry experience, he ensures service quality while maintaining customer relationships. His approach emphasizes transparency and technical excellence.
Mike
Technician
Mike specializes in transmission diagnostics and customer communication. He explains complex repairs clearly while ensuring accurate problem identification. His technical knowledge and customer focus make him a key team member for client satisfaction.
Larry
Technician
Larry brings extensive experience in drivetrain repairs and system diagnostics. He focuses on precision workmanship and thorough problem resolution. Known for his patience and attention to detail, he contributes significantly to service quality.
Juan
Technician
Juan specializes in transmission disassembly and component analysis. His technical skills ensure accurate diagnoses during complex repairs. He works closely with customers to demonstrate repair processes and build trust through transparency.
Questions
What transmission types do you service?
We handle automatic, manual, CVT, 4WD/AWD, and diesel transmissions for domestic and foreign vehicles using specialized diagnostic equipment.
Do you offer warranties on repairs?
Yes, we provide comprehensive warranties covering both parts and labor, reflecting our confidence in repair quality and workmanship.
Can you diagnose transmission issues without immediate repair?
We offer free basic diagnostics to identify issues and provide detailed repair recommendations without obligation to proceed with service.
What payment options are available?
We accept major credit cards and offer financing options to help manage unexpected repair costs.
How quickly can you complete repairs?
Most repairs are completed within 1-3 business days depending on complexity, with priority given to emergency situations.
Do you service vehicles outside Denver?
We serve the entire Front Range region including Northglenn, Broomfield, Westminster, and surrounding Colorado communities.
Reviews (4)
Tammy Gleisner
Jun 22, 2022
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This is by far the best experience I have ever had. This group of people are not only professional but knowledgeable, ethical, honest, caring and friendly. I brought my 2015 Ford Focus in for a diagnostic test. And even though they were unable to repair the issue, they provided me with a reputable repair shop that can. All within 24 hours. That is unheard of. And today when I picked up my car and asked what I owed the response was ""nothing, a good review means more than any money". Hands down a class act. If I ever have issues in the future, no question where I will go. Thank you all for an extraordinary experience.
Ryan Balows
Jun 03, 2022
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Amazing- 1st time user of AC Transmission- Friendly and professional on the phone and was even better when I picked up my van. The night time drop off felt safe and secure. They called mid-morning with an update. And finished on time. The waiting area and bathroom were clean. I did not feel like was taken advantage of. I would feel safe sending my wife there to pick up her car. Awesome all around.
Derek Gonzales
Apr 18, 2022
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My jeep needed a new battery and unfortunately it is not one of those simple batteries you can just exchange out and be done. Luckily AC transmission had all of the right tools and the right knowledge to fix it. The people who work here know exactly what they are doing and not only that but they get things done right away. My jeep was taken Thursday night just before closing and they had everything ready early Friday morning. Everyone I interacted with was great and very personable. The pricing is also great! They really want to help people here! I HIGHLY recommend AC transmission for all of your car needs. 10 out of 10!
Steve Ebner
Feb 14, 2022
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After getting a new transmission replacement quote from the local Nissan dealership, I called AC Transmission for a second opinion. I soon learned why they continue to get great reviews. Their expertise with transmissions is unmatched in Metro Denver. They carefully explained their impressive diagnostic process and potential repair options. The customer experience was fantastic and I'm glad to recommend them to family and friends. Best of all, I saved a lot of money and got my repairs done in less than a week!
