I took my car into this place of business because of a referral from a friend. I was quite leery do to the reviews. But have had nothing but trouble trying to get my Audi s6 working properly had transmission work done by another facility and it has never worked right from the time I got it back. So I counted my losses and took it to these guys to have transmission work done and I am letting you know what a wonderful experience it was. They had my vehicle done in a very short time and it works better now than when I first bought it brand new. Very knowledgeable, polite and professional if you have any type of car problem call them let them take care of you it will be worth it

I have been to Colorado Transmission & Diesel Specialists twice now. The first time I had them rebuild my F350 that I had rebuilt three different times with no luck. I thank god for Doug he is the only one that could build it right the first time I brought the truck to them. I have over 80,000 miles on it and still works like the day I got it from him. I will be using Colorado Transmission from now on....... it is so hard to find an honest shop these days and I have found one. My house is in Ken Caryl Ranch so it is quite a drive to Brighton but at least I know I only have to do it once and it will be done right.Thank You Guys!!!!!!!! My second visit way today after a Dealership told my wife that she had a bad transmission and it would cost around $8000.00 So I took it to Colorado Transmission today, Ray had called me with in an hour and told me that my vehicle was fixed. They had told me that a sensor had somehow been disconnected and my wifes 2011 BMW M3 was ready to go at no charge that it was under their free diagnostics policy I will take free over $8000.00 anytime so if you have any issues with your vehicle at least call them talk to Ray or Doug it will be in your benefit I recommend this shop to everybody. Mike Cook

Just had my 2004 Chevy allison transmission rebuilt by these guys i cant say enough good about them Doug is the best transmission guy i have ever met he fixed my transmission when other shops in Denver couldnt i had so many problems with it i gave up and bought a suncoast transmission what a stupid mistake that was i am so fortunate to have found them Doug showed me everything wrong and fixed it right. Also i gained 75 ft lbs torque and 50 hp pretty awesome my truck finally works right and better than when i got it new i am Mike Springs and this is truly the only shop to go to save yor misery on your next repair and take it to these guys thank you CTDS

awesome!!! did great job on my transmission with no Problems Thanks guys

Great quality for a great price. They really know the meaning of exceptional customer service. They go out of their way to make sure you are completely satisfied.

took my car to other Transmission shops in the area and they were the only one's who correctly fixed my problem, I will only use them for my transmission problems. Great price and very honest. Thanks