Originally located in Wheat Ridge in the 80s, Advanced Transmission Center’s second location moved to Westminster to serve the communities northwest of Denver. This site has been a beacon of excellence in the repair and rebuilding of thousands of transmissions, transfer cases, and differentials. Renowned for its superior repair quality and amiable customer service, this shop continues to serve a wide array of areas, including Arvada, Thornton, Federal Heights, Northglenn, and more in the northwest Denver region.

Seeking transmission services in Westminster? You’re exactly where you need to be! Our shop has earned the trust of local residents, businesses, and government agencies thanks to our integrity, swift service, and exceptional workmanship. This dedication has earned us a standout reputation in the Denver area. Our team at Advanced Transmission Center takes pride in holding the most 5-star reviews in the region. We are a go-to resource for Westminster’s general automotive repair shops, which regularly refer their clients to us for specialized transmission services and repairs. Our commitment is to be your premier choice for local transmission needs!

  • NAPA AutoCare Center
  • AAA Approved Auto Repair

While numerous other transmission businesses have broadened their scope to include general automotive services due to the growing complexity of drivetrain technology, we remain steadfast in our specialty. Staying on top of the evolving challenges in transmission, transfer case, and differential repair for contemporary vehicles requires constant reinvestment in tools, training, and education. This challenge is one we enthusiastically embrace each day, with a firm resolve to remain the top transmission specialty shop in Colorado.

We are honored to be the first transmission shop in Colorado recognized as AAA® Approved for transmission repair. Additionally, we stand alone in Colorado as a driveline specialist and a certified NAPA AutoCare facility.

Integrity in Every Job

Job Integrity: Our Signature Approach

Understanding that complex repairs require time, we are committed to returning your vehicle swiftly without compromising on quality. Our approach involves a precise diagnostic process and culminates in comprehensive, efficient repairs. We strive for a first-time-right fix, backed by our ATRA certification and ASE credentials. Recognized as an A+ rated business by the Better Business Bureau and featured on Tom Martino’s ReferralList, our ethos is centered around conducting business with unwavering integrity. While others may opt for shortcuts, our focus is firmly on delivering solid, lasting results.

  • ATRA
  • ASE
  • bbb
  • Referralist

Located just west of Denver, between Sheridan and Wadsworth in Westminster, our founding shop stands as a testament to our commitment to integrity in every job. This dedication helps us fulfill our motto, “Geared for Customer Satisfaction.” Schedule your appointment online or by calling (303) 421-4140.


Our team of transmission specialists offers services and repairs for all major brands and vehicle types.

Our areas of expertise include:

– Automatic and Manual Transmission Repair
– Transfer Cases and Other 4WD/AWD Systems
– Clutch Replacements
– CVT (Continuously Variable Transmission) Repairs or Replacements
– Differentials, Axles, and Driveshafts

Additionally, we provide preventative maintenance services like transmission fluid exchanges, transfer case services, u-joint replacements on driveshafts, and differential fluid exchanges. Our in-house capabilities extend to rebuilding most transmission and drivetrain components, supplemented by our connections with leading remanufacturers and parts specialists.

  • certified-transmission
  • transtar
  • sonnax
  • fatsco
  • luk
  • raybestos
  • exedy
  • lubeguard
  • transgo
  • precision

Thorough Transmission Repairs Start With Thorough Inspections

We have a rich legacy spanning five decades of successful vehicle repairs, beginning with a thorough TrueTest Inspection™. Our commitment is to repair your vehicle correctly without resorting to guesswork or unnecessary part replacements. Unlike some shops that prioritize quick, low-cost fixes, our method involves addressing the root cause to prevent future issues. Our ethical business foundation ensures we never gamble with our customer’s investment. Our aim is always to get it right the first time.

We take pride in our history and invite you to read the numerous positive reviews about our shop on consumer sites like ReferraList.com and Expertise.com, and platforms like Google and Yelp.

Our warranty coverage at Advanced Transmission Center sets us apart, giving you the assurance of working with Colorado’s most trusted transmission repair business. Our warranties range from 1 to 3 years, covering 12,000 to 100,000 miles, with an option for nationwide coverage. Our local warranty typically includes limited towing services in the Denver metro area. Ensure your significant drivetrain investment is protected by a team that stands firmly behind its work.

Your Go-To Team for Transmission Repair in Westminster

Whether it’s routine maintenance, fluid exchanges, minor repairs, or major overhauls, our team is skilled and experienced in delivering services with the utmost integrity. Our team boasts over a century of combined experience in transmission repair and customer service. This includes comprehensive inspections and quality control checks, coupled with consistent communication and top-quality repair options for our customers.

Your Transmission Repair All Star Team

Call us today at (303) 421-4140 to schedule your appointment.

Geared for Customer Satisfaction since 1986

What Our Clients Have to Say: