Subject: Factual account of oil cooler failure, missed scope, and settlement I am writing this to share a detailed, factual account of my experience with Mike at Colorado Fleetworks regarding my 2019 Ram ProMaster. I had hoped Mike did good work, but the job he performed for me resulted in a major breakdown and a difficult resolution process: Initial Repair & Missed Scope: I had an engine oil cooler replaced as part of a larger $3,900+ service. Less than 30 days later, while on a trip out of town, the van suffered a catastrophic mechanical breakdown. The oil cooler had to be replaced again, along with the oil pump. In hindsight--and after independent research--the oil pump should have routinely been replaced at the same time as the oil cooler during a teardown of that depth. Risky Practices & Installation: I recall Mike mentioning that he high-pressure washed the engine bay. Pressure washing a modern engine bay is widely considered poor practice because high-pressure water forces water, grit, and degreaser into electrical connectors, sensor seals, and deep engine valley areas. It is my belief that this pressure wash, combined with a flawed oil cooler installation, compromised the fresh seals and introduced debris into the oil circuit--directly causing the external leak and destroying the oil pump downstream. Deflection & Unanswered Questions: When I brought the failure to Mike's attention, he questioned whether anyone actually saw the oil leak and suggested the second shop was just doing work to get paid. However, when I pressed him on a basic mechanical fact--if it wasn't an oil cooler/installation issue and was strictly an oil pump failure, how did an external oil leak happen?--he had no answer. An oil pump failure alone does not cause external fluid leaks. Getting to a resolution took significant back-and-forth, and while we ultimately settled before going to small claims court, the process was unnecessarily exhausting. Advice for Future Customers: If you choose to work with Mike, get every diagnostic claim, scope of work, and part return agreement strictly in writing. I'd even recommend running his technical recommendations through an AI tool or getting a second opinion before approving major jobs--I wish I had done so from the start. I chose to post this review because I relied heavily on online reviews when selecting Mike for this service, and I deeply regret that decision based on my experience. While I carry no personal ill will toward Mike, the quality control issues, missed maintenance scope, and exhausting effort required to resolve a failure mean I will not be using Colorado Fleetworks again. read more

WORST EXPERIENCE I'VE EVER HAD PURCHASING A VEHICLE. Long story short - I would not trust this dealership. I purchased a vehicle from Colorado Fleetworks in January of 2017. It is now April of 2017 and I still do not have a title. In February of 2017 I called, texted, and emailed the dealership. They responded by saying the title was in the mail and I should be expecting it any day. After several more weeks with no title, I was told they sent it to the wrong address and would send it out again. Several months later, I got the same story "title is in the mail." It is now the middle of April and I have not received an answer about the title. No call backs, no return of my text messages to the owner, no responses to my emails. I am stuck with a car that can not be registered and there is nothing I can do about it. THAT'S NOT ALL When purchasing the vehicle, I was told that he would give it a tune up, change the spark plugs, change the oil, top off all the fluids etc . . .The oil was filthy when I recently changed it. I doubt he changed the plugs, the special oil required for the adjustable suspension was completely empty . . . I paid him extra to put on new tires and a new windshield. Two of the tires won't hold air longer than a week. Whenever it rains water leaks through the windshield. The suspension is shot and going to cost me around 2k to fix. I was told that I would be getting a $500 check in the mail to deal with my troubles - but that money is still nowhere to be seen . . . I can deal with one or two things going wrong in a car sale, but the accumulation of bad experience has led me to write this review. read more

Working with the staff at Colorado Fleetworks has been such a pleasure. Jessica and Nicole answered all my questions regarding financing the Nissan Rogue I saw online. When snags came up with the lender I came with, the ladies went to work to figure it all out so I would be happy with the purchase. Mike the owner came in on the deal to I reassured everything would work out. It really was the best buying experience I ever had seeing all staff were attentive from initial emails and calls to arrival with warm greetings. These people are truly some stand up folks. I had the pleasure of working with them 12/14/2016 to purchase the vehicle. And it doesn't hurt that the conversation with staff was great while paperwork processed. I'm overly pleased with the service and loving the quality of my ride! The car was kept in such great shape my friends thought it was newer than a 2008 and had mileage under 88,000!!! What a deal!!! If your looking for a great car and awesome service go here, I know I'll be back to see Mike in the future when need a car again. Thanks Colorado Fleetworks read more

Irish Mike is the man! After arriving in Colorado Springs with our Winnebago View on the Sprinter Chassis we had 'check engine light' and code issues. A call to the Colorado Springs Mercedes Dealer yielded a "Don't bring it here. We don't work on Sprinters anymore." A call to the two Denver dealers scored a response of "Sure, drop it off. It may be two to three months before we get it fixed." We reiterated to one of them that the Sprinter was our home right now and that we were on the road and would be stuck. His reply was "You can't sleep in it here." A quick google search for sprinter repairs brought us to 'Colorado Fleetworks'. I called and Mike said he could look at it if I was there first thing in the morning. A quick look at the codes and he knew exactly what was going on. Three hours later after cleaning the EGR valve and rechecking the computer, we were on our way. Highly recommend! If you're in the area and have a check engine light come on, Colorado Fleetworks is the place to go. Mike will get it done!!!!! Thank you Mike. David & Barbara D read more

I bought a Nissan Murano for my 16 year old daughter and was really impressed with the whole experience of dealing with Mike and Colorado Fleetworks. My biggest concerns were finding a reasonably priced vehicle from somebody I could trust. Mike worked with me in evaluating different options, discussed pros and cons in an open and honest manner, and conducted business in a very responsible and transparent way. This is a big deal for me and the primary reason I bought from Colorado Fleetworks. This is a small operation, but Mike is very knowledgeable and you get that hands-on, 1 on 1 experience that is very hard to find these days where other places keep passing you off from one person to another with no real concern for your needs. This is true customer service and much appreciated! read more

Mike, the owner of Colorado Fleetworks in Denver, has been an absolute lifesaver for our company's fleet. We operate 20 Isuzu diesel box trucks across the Denver metro area, and keeping them running is essential to serving our customers quickly and safely. When a truck goes down, it not only impacts our ability to respond to emergencies for Abbotts Cleanup and Restoration, but it also sidelines two of our technicians who rely on that vehicle to make their living. Mike goes above and beyond to keep our fleet safe, well-maintained, and on the road -- often getting us back up and running faster than we could imagine. If you need a reliable fleet mechanic or diesel repair expert in Denver, we highly recommend Colorado Fleetworks. Thank you, Mike and the Colorado Fleetworks team! read more

I hardly ever go online and give reviews - good or bad. This time, however, I feel my story is worth sharing so here I am. Early this year I set out to buy a car from Mike worth 5K but was 2K short of the purchase price at the time. Without hesitation Mike considered my circumstances and offered me and my family an opportunity to pay the remaining amount over a 2 month period. Six months later, I can easily say that the car is solid and well worth the purchasing price. Needless to say Mike is honest and trust-worthy, which in my opinion is all you need when purchasing a used car. read more

My parent's Mercedes sprinter van broke down in Denver and Colorado Fleetworks saved their road trip! We called the Mercedes van repair and multiple other shops, all of which stated they couldn't help for several months. Mike answered the call and said he was happy to take a look and see what the issue was. He maintained excellent and honest communication with us throughout the repair and he made it a priority to get my parents back on the road in a safe vehicle. We are so grateful for Mike and the crew and absolutely recommend him to everyone. THANK YOU Colorado Fleetworks!!! read more

This was my first time purchasing a car from a dealership and I was definitely satisfied I couldn't have chosen a better dealership to do business with Mike was very helpful over the phone when we talked about the car I was interested in I'm very pleased with my purchase nikkole really took care of me and my family in getting into a car the same day she made us feel very comfortable well waiting for the purchase excellent customer service definitely recommend this dealership to friends and family look forward to doing more business in the future. read more

We had such an awesome experience taking our older GMC safari to Mike for a few minor repairs. We are working on converting it to a camper and had asked a few other shops around town to remove the back AC unit, all of whom said it would be too cost prohibitive. I called Mike and he was able to see us that day and got it done within 2-3 days for a super reasonable price! He even gave us some great advice on camper conversions. Would highly highly recommend him and will definitely be back for future work that our van needs! read more

I went in expecting to just purchase a used vehicle. I didn't even consider ever buying my dream car, thinking it was out of my price range. Michael Johnston(owner) took the time to take me on the test drive and gave me the history of the brand. He was extremely thorough and personable. He allowed me to ask a thousand and one questions and was never pushy. I ended up getting a GREAT SUV that I LOVE and can afford. I highly recommend Colorado Fleetworks to anyone looking for a great car with an honest dealership. read more

When a driver hit me and then drove off, doing so much damage it totaled my beloved old car, I wondered how in the world I would get a replacement at a reasonable price--luckily, a friend of a friend had bought a car from Mike at Colorado Fleetworks! She called him and asked if he could find a car for me, and he had a great one in my price range! He even did the needed repairs to get it in good shape. I am so grateful for his help! He is definitely the guy to call for a reasonable & reliable used car!!! read more

This is the type of repair shop you want to find when you are on the road with an issue. Mike is extremely knowledgeable, friendly, and laid back. Was able to check my van, diagnose my issue, and get me back on the road in an hour when other shops had wait times of weeks or even months. We even chatted for awhile about all things sprinter. I can't believe I had no idea this guy was here when I lived in Denver!! Call this shop first if you live in Denver or are passing through CO and need service. read more

Mike was amazing!!!! Driving through Colorado and the Sprinter went haywire! After calling all the Mercedes dealers and hearing they could get to it in 10 days...we called Mike and he offered to stay after 5:00 to fix it for us so we could get on our way! The Pleasant Irish accent saying, "of course" was music to our ears! Thanks Mike for saving us and allowing us to continue our fabulous Colorado road trip! Highly recommend! read more

Irish Mike saved our vacation! We were in town for a three day stretch at Red Rocks and our Sprinter van blew its serpentine belt on the second day...Saturday afternoon. After a bit of scrambling to get the thing towed from Loveland to Commerce City on Sunday, Mike had it fixed and back on the road in less than three hours, in time to make the last show! Mike at Colorado Fleetworks is THE GUY to call for Sprinter van emergencies! read more

Irish Mike was a huge help, Truck broke down 800 miles from home on Saturday night. He opened his shop on a Sunday to help us out.Unfortunately had to leave truck there due to lack of parts on a Sunday. Was Very helpful even let me use his truck to pick up a rental car. Made repair and very reasonable. Even picked me up at rental place for ride back to his shop.Thanks Mike. Dexter from AZ read more

Mike is the BEST! He was able to diagnose a transmission issue with our 2018 Ford Transit that no one else could. We had purchased the van used with less than 30k miles. The previous owners never could get it diagnosed and fixed. Mike DID! The van completed a 2 day drive to Glorida without a single issue. Brilliant and tenacious. Forever grateful. Bruce and Sally read more

It was a pleasure to deal with Mike. He did a great job diagnosing the issues I was having with my Winnebago ERA. Also fixed a dent and repainted front bumper. Did a great job at a fair price and in a timely manner. Not to many places like this anymore to do business with. Will have him do all the regular maintenance for me on the Mercedes Sprinter. read more

I purchased a Mini Cooper S last summer from Michael. Great price, great service! Since then, I have had Michael service my vehicle whenever needed. He's been great. Always available, always a great price and honest on what my car truly needs. I've recommended Michael to many friends and neighbors. I wouldn't go to anyone else for my car needs. read more