Oilex
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Oilex
Founded in 1978 and headquartered in Denver, Colorado, the Grease Monkey(R) brand currently operates more than 300 centers around the world. Grease Monkey(R) is the nation's largest independent franchisor of automotive oil change centers. Grease Monkey(R) International, LLC is the nation's largest independent franchisor of automotive oil change centers serving more than 2 million customers each year.

Started in 2003, our company is an independent franchise and is locally owned and operated. Our employees are like family and we are proud to employ over 100 employees in communities throughout Colorado. We offer Oil Changes and Preventive Maintenance Services to keep you and your vehicle on the road.
Services
We understand how vital preventive maintenance is to keep your vehicles operating smoothly and we know each vehicle is an important asset to your business. Our independently owned and operated locations are convenient for your drivers and your business. Our professionally trained technicians will keep your fleet on the road with minimum downtime for your employees.
Reviews (18)
Chandler K.
Chandler K.
Dec 21, 2021
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Great service! Super friendly team and they were really helpful with explaining the items and I needed and why. Made sure my car was nice and safe for a road trip and I'm very grateful for their good energy. 10/10 would recommend this location!
Kristen C.
Kristen C.
Nov 24, 2021
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I am used to auto shops trying to up sale me but this place took it to a whole other level. They recommended me getting things done that weren't even relevant to my car. Not only that, but they didn't screw on the bottom "shield" of my car after removing it from the oil change (which is fine - mistakes happen), but they then made ME feel like I was such an inconvenience for coming back and asking them to fix it? No one ever apologized or even addressed it. Won't be going there again!
Audrey W.
Audrey W.
Apr 02, 2021
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I just took my car in for an oil change and got a couple filters changed too, everyone was super friendly and helpful. They took care of my car in less than 30 minutes!
N. B.
N. B.
Mar 10, 2021
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This is where I go regularly for oil changes & they rock the service & friendliness EVERY SINGLE TIME. I love the "top off" service between oil changes.

I always feel I'm treated like an Auntie or sister by ALL of the crew & appreciate the help I'm given understanding what to prioritize budget-wise when additional services are needed or recommended. Thanks for being awesome Grease Monkey!
Brad E.
Brad E.
Feb 18, 2021
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Avoid this shop.

I asked for an oil change only and nothing more. I had my manual transmission recently rebuilt by the dealership with a factory warranty but this shop took it upon themselves to do their snooping around to try and upsell me on other fluid changes. They recommended my newly rebuilt transmission be flushed and refilled. Also the fact that an oil change cost $100 for a Jeep Wrangler is pretty absurd.

They bill you for all their "checks" that they try to upsell you on. Don't pay for them to look around your vehicle and risk them touching something they are not qualified
Josh M.
Josh M.
Feb 12, 2021
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These idiots tried to tell me my car only takes synthetic oil. Little do they know I put the engine in the car so I know a thing or two.
This shop is basically on campus at DU and based on my experience they're taking advantage of students who don't know better.
THEY WILL WASTE YOUR MONEY!!
Alex N.
Alex N.
Nov 25, 2020
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Guys at this place were extremely helpful today when my car got damaged by the ice. They didn't have to, but went out of their way and did everything to help me. Definitely will be coming back to this location every time I need to change oil.
Seneca R.
Seneca R.
Sep 27, 2020
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Service here was fantastic. As soon as I got out of my car I was met by friendly employees who took care of my oil change, radiator flush, and even fixed a part of my car for free. Great service, one of the best grease monkeys I've been to.
Brenn V.
Brenn V.
May 25, 2020
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Incredible service from the gentlemen at this location. Quick and thorough job. They helped me pick what I actually needed to get done, and didn't try to up-sell me a bunch.

On top of all that, I tipped the manager for being so great and he immediately went and told his team that lunch was paid for today. This oil change made my heart very happy! Thanks guys
Yogi & Apos S. T.
Yogi & Apos S. T.
Oct 15, 2019
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Had a problem here today and came in super pissed off. Dan fixed it and ensured I was happy before I left.
James C.
James C.
Oct 08, 2019
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Yikes -- new employee with bow on head was a nightmare. I'm following manufacturers recommendation on oil changes (every 6k miles, and had even brought the car in early) and when I walked in to pick up the car she screeched a lecture at me on how my newish car is about to die and the engine block is going to crack (really weird), so don't come back to them if I won't follow their 3k recommendation. I hadn't said anything to trigger this, just walked in, but she was so remarkably nasty and unpleasant. Almost yelling, with other customers present -- one of the other people sitting
Kayleen K.
Kayleen K.
Jun 15, 2019
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Busy little shop and decent customer service. Best wishes to the owner who works very hard to take care of his clients. Be kind - they have a tough job.
Ellen H.
Ellen H.
Jun 12, 2019
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I will go out of my way to get my car serviced at this location. The staff is very friendly and knowledgeable. They always look me up when I pull in and know exactly what I need before I even get out of the car. They walk me through any extras that they suggest so I can decide for myself what I want done on my car. They truly care about the quality of their work and the customer experience here!
Indya C.
Indya C.
Apr 11, 2019
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This is my favorite grease monkey location and I literally go out of my way to make it here! DAN...let me tell you DAN is my guy!!! hes the manager and has helped me through several vehicles over the last 2 years. Super considerate and customer oriented. Hes not just about quick and timely and ensures you have quality service to your vehicle but he makes sure you have a great customer experience by ensuring you know who's on staff. He also reminds you of discounts to use to your advantage in between time. You wont be disappointed
Jerry H.
Jerry H.
Feb 10, 2018
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College students, if you want to be taken advantage of, I'd recommend this place. My daughter NEEDED an oil change and tire rotation, she left with a $168 bill. You might want to check around.
Sasha T.
Sasha T.
Jul 14, 2016
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Got a great, quick oil change on ladies day (aw they put a flower on your dash, sweet!). If you go to King Soopers they usually have a $6 coupon (but if you are a lady on ladies day I think you save $10 which is better obviously).

They had suggestions but did not pressure me to get any additional services since nothing was too crucial. Good value.
Alice G.
Alice G.
Mar 01, 2016
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UPDATE: I spoke with the store manager and the GM about the mishap with my Jeep Oil Change. Everyone was concerned, apologetic, and took responsibility and repaid me for my repairs. From lengthy conversation with the owner, I believe this incident was a one-off that just happens from time to time from human error and this was just unluckily my turn in the barrel. Within 12 hours of me walking to the store with my receipt from JEEP for the engine cleaning, the staff had done a damage control session to figure out what had happened and how not to have that happen again. Honestly, crap happens
Sarah A.
Sarah A.
Oct 19, 2015
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My husband has been using Grease Monkey for a few years now, and yesterday we dropped his car off for an oil change. After a few hours without receiving a phone call to let us know the car was ready, he called to see what was taking so long. This was a little after 4:00. They told him the car was done so we headed over after 30 minutes or so to come pick it up.
They were closed when we got there.
My husband had to work the next day and now had no car. So we came in this morning when they opened at 8:00 to pick up the car.
They told us that "it's up to you to check the hours". It