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    Grease Monkey

    3.8 (73 reviews)
    Closed 8:00 am - 6:00 pm
    Updated 1 week ago

    Services - Grease Monkey

    Auto maintenance

    Oil changes

    Auto repairs

    4 More Services

    Auto brake repair

    Auto HVAC repair

    Auto wheel and tire repair

    Routine automotive maintenance

    Grease Monkey Photos

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    Recommended Reviews - Grease Monkey

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    GM cars use Dexos. Don't switch. When they mix, you get jelly.
    camilo s.

    They put the wrong radiator fluid in. They lost a hose clamp and replaced it with a cheap generic. They broke my radiator cap. They charge premium prices at subpar service. Had I not flushed the system prior, it would've been a catastrophic failure when they put the wrong stuff in. GM OEM fluid will turn into a jelly like consistency when mixed and block passages. Go to your mechanic instead. I'm new to Denver. I didn't think anyone could mess up such a simple task. I would've done it myself but I was packing for a camping trip and thought this would give me a much needed break. I was wrong. P.S. GMs use Dexos. It's red. Don't switch to the green stuff. Dexos will last you five years easy. The green stuff needs to be replaced every two. Franchise profitability Vs customer benefit. Which side you think the owner is on?

    Awesome. Great service up beat and detailed!!!
    Glenn G.

    Excellent service I drive out of my way to go here they have popcorn water Wi-Fi get did they get you in and out they're all really nice and reasonable price

    Tara K.

    I really really want to depend on this location for my oil changes. But come on now!!! I just wanted my oil changed. Don't check my tires, remove my air filter, put a wrench on the rear differential and transfer case and try to sell me crap I didn't come here for. The $60 oil change is already ridiculous. They're nice enough and they had me sign something that said they recommended new air and cabin filters and transmission flushes and everything that wasn't my $60 oil change. But when I left today I drove home and found a lot of oil dripping into my driveway. Old dirty oil just dripping all over my concrete. So I popped the hood and was trying to see the source. Well what do you know! There's your shop rag! Are you kidding me? So I drive back over and ask if they can please check that the damn car is sealed and that's just really messy work for my $60 oil change. They brought my car back in to the bay, cleaned the mess they made and gave it back to me. There are bolts missing and it's going to be a pain getting that crappy oil changes for of my driveway. I keep giving them chances. WHY?

    He decided to write me and further blame me saying I shouldn't be tripping over washer fluid. The balls on this child.
    Josh J.

    I went in on 10.3.2019 and dealt with T.J. they were pleasant enough day of. Fast forward to today 10.10.19 we got our first Colorado snow. Got in the car, hit the wiper fluid to clear some mud and nothing came out. Went back to the location and asked (abruptly because yes I was upset that something I paid for didn't get done) for them to add what I paid for. T.J. was there again and gave me an extreme attitude. Tossed my keys at me once it was done and said "bye buddy". No apology not even the slightest glimpse of empathy. I confronted him about it and he shrugged me off and said "step out of the car and we can deal with it". I've been going here 7 years and have never been threatened like this. I will not be back.

    Nancy H.

    What a fantastic 1st time experience here at Grease Monkey. Justin greeted me at my car. We went over prior history and that I had a very stuck hood latch. When I came inside to the waitin room I was surprised by fresh brewed coffee and small bags of popcorn!! Who Knew?!? Justin came back to let me know they got the hood open and it would only take about 15 minutes where they will show me all the work that was doe !! 1st class!! Mahalos from a gal far away from Maui her home!! My Aloha , Nancy

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    1 month ago

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    Stacy T.

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    1 year ago

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    Stacy T.

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    7 months ago

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    2 years ago

    Great service and excellent popcorn! My family and I have been using grease monkey for 5 years and this one was great! R should visit!

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    5 years ago

    Honest good people! Typically you do not get this in the auto industry but they were straight forward and friendly! Highly recommended

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    Page 1 of 2

    Ask the Community - Grease Monkey

    Review Highlights - Grease Monkey

    The guys are super quick, and they show me everything they've done before they charge me.

    Mentioned in 6 reviews

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    Christian Brothers Automotive Wheat Ridge

    Christian Brothers Automotive Wheat Ridge

    4.4
    (16 reviews)

    I really appreciate the solution that Christian Brothers came up with for my air conditioning. I…read morehad lots of previous service and while it was expensive to replace the compressor, it was the answer that finally returned fresh chilled air to my vehicle, and now I am cruising along during this hot Colorado summer. I would feel comfortable returning with other issues on my vehicle in the future.

    Took my car in to get it checked for a "long distance road trip." Diagnostic alone costed $195,…read morewhich I thought was incredibly high compared to other locations I've done that at. Mechanic recommended fixes for the long road trip, we had them completed and picked up the car with seemingly no issues. We were slated to leave the next morning at 5am, so we woke up at 3am to get ready and take the dog out on a walk, where we discovered the splash guard hanging completely on the ground underneath the car (first image + video below). So we had to delay our trip out by 2 hours just to bring it back in. Told them my frustrations with having our travel delayed, and wasn't really met with any sort of apology / compensation. Finally get back out on the road, and when we arrive at our destination the next morning, we noticed a scraping noise when hitting some low bumps. Looked under the car and see that part of the guard underneath is held together with a zip tie! (Second image + video) Absolutely insane work. Completely disgusted with the shoddy work and the lack of attention + care.

    Big O Tires

    Big O Tires

    3.9
    (199 reviews)

    I was stranded and no one to call after I found my car tire so flat I couldn't drive anywher. Big O…read morewas less than half a mile away so I called and spoke to one of the service provider Erin. He was able to send help to me in minutes! I felt blessed honestly. They came with an air compressor to air me up and escorted me to the shop. Thank you for rescuing me and handling all that good stuff. You guys are my hero!! They gave great service, with unbeatable quality. You get all the Stars today Big O! :)

    I should be giving this a one-star review, but I don't want to completely dog this place. Maybe…read morethey have some good mechanics and it's just bad company training. About six months ago my water pump went out. The main reason I came here was because it was the closest place to tow to. They replaced the water pump. It was a little pricey after I did some research, but it was kind of an emergency. Somehow they forgot to add or flush the coolant. Now, when it gets cold, the heater won't turn on at all, and a couple of sensors in the car stopped working. I would just chalk this up to coincidence. Well, about a week ago we needed new tires and an alignment. They replaced the tires but said they couldn't do the alignment because a ball joint needed replacing. They didn't say which one but automatically quoted all four. They also told us the serpentine belt needed replacing and the rear brake pads needed to be replaced. I had an oil change appointment that week with the dealership, so I decided to wait until after that to make any decisions. Turns out the dealership now has a full 360 inspection system. I got my oil change and the dealership emailed me a video of what they found: a small oil leak I should keep an eye on. Shockingly, they said the ball joints, serpentine belt, and brakes were all good! Now I'm very concerned for other people who go here for mechanical issues. On a side note, after telling my dad this story he had some very similar stories to share about the Big O in Longmont. Is this a lack of training, or are they actually training this behavior? I'm mostly sharing this to protect people who may have limited funds and feel like they have no choice. Maybe have your dealership, or a dealership, look at your car instead of this place.

    Grease Monkey - autorepair - Updated July 2026

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