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A Affordable
Transmissions Center

Thornton Transmission Repair Shop

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Automatic Transmission in Thornton

Welcome to A-Affordable Transmissions Center, your top choice for skilled transmission repair services in Thornton, CO and North Denver. We have been repairing transmissions since 1979 for vehicles of all makes and models, both domestic and foreign.

Located conveniently in Thornton, CO, our repair center on 80th ave just off I-25.

We are committed to guiding you through the process with skill, precision, and clear communication, whether we are discussing potential transmission concerns or providing extensive repair services. If you’re looking for a transmission repair shop in Thornton you can trust, go no farther than A-Affordable Transmissions Center.

Signs of a Faulty Transmission

The timely repair and maintenance of your vehicle’s transmission depends on your ability to detect any problems. Keep an eye out for these potential red flags that suggest transmission trouble:

Transmission Slipping

A slipping transmission could be the cause of your car’s erratic gear changes or its difficulty getting up to speed. Delays or hesitations when shifting gears while driving may indicate a problem with the transmission.

Rough Gear Shifting

Transmission difficulties can be the cause of jarring or otherwise unpleasant gear shifts, as well as other symptoms, such as the production of strange noises like thuds or clunks. Shifting gears with reluctance is a common symptom of transmission problems.

Fluid Leaks/Stains

Transmission fluid leaks might be indicated by the sudden emergence of reddish or brownish fluid leaks or stains under your car. Transmission fluid is normally crimson and shouldn’t spill; its presence could signify an issue requiring immediate care.

Odd Transmission Sounds

When driving or moving gears, if you hear any unusual noises, such as whining, clunking, or thudding, it may be a sign of a transmission problem. These noises could indicate transmission problems that need to be checked out.

Transmission Warning Light

Warning lights on the dashboard, especially those linked to the transmission, should be taken seriously whenever they come on. Slipping, harsh shifting, or unusual noises are all indications that should alert you to the possibility of a more serious problem.

Paying attention to these indications early on can save money and extend the life of your transmission. If you have any of these issues, it is best to have a professional inspect and fix your transmission.

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Why Choose A-Affordable Transmissions Center for Thornton Transmission Repair?

Our experienced mechanics can fix transmissions in a wide variety of vehicles because they have a deep understanding of all the moving parts involved. Your vehicle, domestic or foreign, is in the hands of professionals who can provide you with individualized service and repair. We provide the following:

  • Cost-Effective Solutions
  • Good Communication
  • On-Site Repairs

With a tradition spanning decades, A-Affordable Transmissions Center has gained a high level of competence in the complicated field of transmission repair. Our highly trained staff have spent years perfecting their skills, learning to adapt to the ever-changing world of automobile technology, and understanding the intricacies of various transmission systems.

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Contact Us for Expert Thornton Transmission Repair Services

Don’t hesitate to contact A-Affordable Transmissions Center if you have any questions or concerns about your transmission or are interested in our repair services in Thornton. You may count on the help of our trained staff at any time.

Get your transmission fixed by the pros at A-Affordable Transmissions Center in Thornton. We’re here to guarantee peak performance from your car’s transmission.

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Use our A.I. to troubleshoot your transmission issues

Use our experimental A.I. powered by ChatGPT to troubleshoot your transmission issues! Please note this is EXPERIMENTAL only and should be followed up with diagnosis by our professional mechanics. Any feedback on this feature is welcome and appreciated!

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Expert replacement, repair and installation services on all makes and models. Proudly Serving Colorado Since 1979.

You can trust A-Affordable Transmissions Center to replace, repair, and install transmissions of any make or model. Serving the entire Front Range since 1979. For all of your transmission needs in the greater Denver area, please contact us to schedule a quote.

Katelyn Scoma

These guys are SO great. Great job and a great price! My family and I (and even friends that I referred) drive an hour to come to them. They do great work and have excellent customer care! Even when it was closing time they were so kind and helpful, making sure I understood and was satisfied with everything, instead of just rushing me out the door. 100% recommend them!

Gay Vierra

If you have any transmission work needed you HAVE to bring it to A-Affordable Transmissions Center! Dave is the best!! He has worked on two of my cars and even diagnosed a non-transmission related problem!! He is one of the most reputable business owners I have worked with in a long time!! Choose A-Affordable and you won’t regret it!!

Seth Hughes

Hello, had the transmission in my 66 Ford Fairlane rebuilt in October 2021. Nearly 2 years later still working great no leaks shifts just as nice as it did when I picked it up. Great customer service after the rebuild would totally recommend.


Take your car here. If you have any transmission issues this is the absolute best transmission shop you will find in Denver. My cars transmission lost reverse gear, and had a slew of other issues going on internally that I didn’t even know about, requiring a complete transmission rebuild. Devin was absolutely phenomenal, and let me know everything that was happening during the entire service. These guys absolutely stand by their word, and work. The diagnostic is only $90. With 250k miles, I have a rebuilt engine with 50k miles on it, and now a new, rebuilt transmission. Flawless. Another 4×4 lives another day. Drives smoother than ever. Thank you guys!

Cody Dent

Brought my 08 pontiac grand prix for a rebuild of the transmission, car was done within two days of dropping it off and the price quoted was correct and affordable (for a transmission rebuild) the shop is very professional and knowledgeable also friendly and don’t make you feel dumb or belittle you for asking questions. Also check back in with you on their work a week or two later. Would definitely return to these guys for any transmission work I’ll need on any of my vehicles and will always recommend them to friends, family and anyone needing work done. Thank you guys!!

Eleanore Thayer

I can not rave enough about thus place. Randy and his team are fast, friendly, and KNOW what they are doing! I had my clutch replaced here after being less than happy with another company doing it twice and blowing it both times in two years… This team is transparent and care about the quality of their work. If you need transmission work or your clutch replaced, this is your company. They made my Subaru ready for the road and I couldn’t be happier! 10/10 tldr: use this company and you will be a happy camper

Frequently Asked Questions (FAQ) - Thornton Transmission Repair Services

When it comes to transmission repairs in Thornton, what kinds of automobiles do you work on?

We service all makes and models of cars and trucks, both domestic and foreign, and offer complete transmission repair services for all of them.

How can I recognize signs of a faulty transmission?

Warning indicators of transmission troubles include slipping gears, rough shifting, fluid leaks, weird transmission noises, and illuminated dashboard warning lights, signaling possible problems that require professional inspection and repair.

Do you offer warranty options for transmission repairs in Thornton?

The quality of the transmission repair work performed on your vehicle is guaranteed by the many various warranty plans and service options we offer.

What differentiates A-Affordable Transmissions Center’s Thornton repair services?

We are the go-to transmission repair facility because of our extensive knowledge, reasonable prices, honest service, emphasis on the customer, and speedy on-site work.

What causes rough gear shifting in a vehicle’s transmission?

It’s possible that low transmission fluid, worn clutch components, or internal transmission troubles are to blame for your rough gear shifting. To determine the cause and get the necessary repairs started, a professional inspection is essential.

How do I identify transmission slipping in my vehicle?

Transmission sliding may show itself as inconsistent gear changes, a lack of acceleration, or unusual sounds during shifting. If you experience any of these signs, get in touch with trained professionals immediately.

Feel free to call A-Affordable Transmissions Center with any questions or concerns you may have about our transmission repair services in Thornton. When you have questions about the transmission of your vehicle, you can count on us to respond with knowledgeable answers and thorough options.

All Makes and Models – Domestic and Import

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Service Area


Since 1979, we proudly serve North Denver, and the below Suburbs …

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Directions to A-Affordable
Transmission Center

A-Affordable Transmission Care Center proudly serves the Denver Metro Area with convenience at two locations, providing exceptional transmission services. Our first location, strategically positioned in South Denver, caters to the bustling energy of the city, ensuring easy accessibility for our valued customers. Meanwhile, our second location, situated in North Denver, extends our commitment to excellence, offering residents in that area the same reliable and expert transmission care. With both centers, we prioritize efficiency, quality, and customer satisfaction, delivering unparalleled transmission services to keep your vehicle running smoothly on the diverse roads of the Denver Metro Area.

Directions To A Affordable In Thornton

52nd & I25 to A Affordable Transmission Center Thornton

  • Head north on I-25 N - 1.4 mi
  • Keep right to stay on I-25 N - 1.7 mi
  • Take exit 219 toward 84th Ave - 0.2 mi
  • Keep left at the fork to continue toward 84th Ave - 240 ft
  • Use any lane to turn left onto 84th Ave - 0.3 mi
  • Continue onto 84th Ave Pass by Burger King (on the right) - 0.4 mi
  • Turn left onto Greenwood Blvd 
  • Destination will be on the left - 207 ft
  • A-Affordable Transmissions Center 780 W 84th Ave, Thornton, CO 80260

I36 & Wadsworth to A Affordable Transmission Center Thornton

  • Head southeast on US-36 E - 6.6 mi
  • Exit onto US-287 N/N Federal Blvd - 1.6 mi
  • Turn right onto W 84th Ave Pass by Advance Auto Parts - on the right in 1.5 mi
  • Turn right onto Greenwood Blvd
  • Destination will be on the left - 207 ft
  • A-Affordable Transmissions Center 780 W 84th Ave, Thornton, CO 80260
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