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Grease Monkey

4.6
(849 reviews)

Business Details

2334 Main St, Longmont, CO
80501, United States
(303) 485-9206
https://www.greasemonkey.com/locations/co/longmont/2334-main-st

About

Oil Change Service StationAuto Repair ShopBrake ShopAuto MaintenanceAlternator Repair
Grease Monkey, located at 2334 N. Main St., Longmont, offers a full-service 15-minute oil change to keep your automobile running smoothly. Open Sundays for your convenience, we also provide brake service, tire rotation, and tire replacement. Conveniently situated near Ute Creek Golf Course and just minutes from Golden Ponds Park, our shop is easily accessible for all your vehicle needs.

Details

  • Requires appointmentNot available
  • Credit cardAvailable
  • DebitAvailable
  • RestroomAvailable

Location

Grease Monkey
2334 Main St, Longmont, CO
80501, United States

Hours

Monday8:00 AM - 7:00 PM
Tuesday8:00 AM - 7:00 PM
Wednesday8:00 AM - 7:00 PM
Thursday8:00 AM - 7:00 PM
Friday8:00 AM - 7:00 PM
Saturday8:00 AM - 6:00 PM
Sunday10:00 AM - 4:00 PM
11/26/20268:00 AM - 7:00 PM
12/25/20268:00 AM - 7:00 PM

Products & Services

1 list · 9 items

Services

9 items

CHECK ENGINE LIGHT DIAGNOSTIC

Computer diagnostic scan identifies check engine light codes and engine issues. Our technicians explain what we found and provide clear estimates for recommended repairs—no guessing, no hard sell.

FLEET SERVICES

Commercial fleet maintenance programs with scheduled service, priority scheduling, and detailed reporting. Professional automotive care keeps your business vehicles running reliably and efficiently mile after mile.

FUEL INJECTOR CLEANING

Professional fuel system cleaning removes deposits from injectors, intake valves, and combustion chambers. Restores fuel efficiency, engine power, and smooth operation for better performance at the pump and on the road.

HIGH MILEAGE OIL CHANGE

High mileage oil change for vehicles over 75,000 miles uses specialized formula with seal conditioners and additives. Designed to reduce oil consumption, help prevent leaks, and protect aging engine components.

MULTIPOINT VEHICLE INSPECTION

Free 16-point inspection with every oil change covers fluids, brakes, tires, belts, hoses, battery, and filters. Complimentary check helps catch small issues before they become big, expensive problems.

OIL CHANGE SERVICES

Fast oil change with standard, synthetic blend, or full synthetic options done in under 15 minutes. Includes new filter, fluid top-off, and free 16-point inspection while you stay in your car.

TIRE PRESSURE CHECK

Complimentary tire pressure check with service includes adjustment to manufacturer specifications. Proper inflation improves fuel economy and extends the life of your tires.

TIRE ROTATION

Tire rotation service promotes even tread wear and extends tire life. Regular rotation based on your owner's manual—typically every 5,000-7,500 miles—maximizes your tire investment and maintains balanced handling.

TRANSMISSION SERVICES

Transmission fluid exchange removes and refills nearly 100% of fluid including the torque converter. Maintains smooth shifting and transmission performance while helping prevent slipping, hard shifts, and costly failures.

Reviews

4.6
849 reviews
5 stars
733
4 stars
42
3 stars
9
2 stars
15
1 star
50
  • SH
    Steven Hu
    2 days ago
    1.0
    I had a very disappointing experience with Grease Monkey #660 in Longmont. On June 26, 2026, I brought my 2019 Toyota RAV4 Hybrid XLE here for a routine oil change while on a road trip. Before arriving in Longmont, I had already driven from Texas to Yellowstone National Park in Wyoming and then into Colorado without experiencing any issues with my vehicle. The problem occurred only after the oil change. During my drive home to Texas, I noticed that the oil service access panel underneath my vehicle had flipped open. I safely pulled over, pushed it back into place, and secured it with tape so I could continue driving. Later, I discovered that the loose access panel had damaged the adjacent engine splash shield. After returning to Texas, I took my vehicle to Toyota of Cedar Park for inspection. The Toyota technician documented on the repair order: “Found splash shield not connected properly.” Toyota replaced the engine splash shield, screws, and retainers. The repair cost me $481.89. When I contacted this Grease Monkey location, they immediately denied responsibility and claimed that I must have hit something during my trip. However, I did not knowingly strike any road debris or other objects, and Toyota’s repair documentation does not identify impact damage. Instead, it states that the splash shield was “not connected properly.” I also contacted Grease Monkey Corporate and requested an independent review of my claim, but I never received a response. What disappointed me most was not just the repair cost, but the lack of accountability and customer service. I was hoping they would objectively review the Toyota inspection and the evidence I provided, but that never happened. Before writing this review, I also checked this location’s Better Business Bureau profile. It currently has an F rating, with 76 complaints filed, 11 complaints that did not receive a response, and 5 complaints listed as unresolved. Unfortunately, my experience was consistent with those concerns. Based on my experience, I cannot recommend this location.
  • JH
    Josh Hakenewerth
    Jun 28, 2026
    1.0
    $250 for an oil change with mobile 1?? Absolutely insane. You can buy 5 quarts for $40, why is it so expensive? Update your pricing, stop gouging.
  • KR
    Kyana R
    Jun 25, 2026
    5.0
    Staff here is always kind and helpful. I never feel pressured into paying for additional maintenance that I can’t yet afford. Fast service!
  • LL
    Laura
    Jun 23, 2026
    5.0
    Great place, great customer service. Appreciate Bryce so much for his expertise.
  • JM
    Jamie Mccurry
    Jun 14, 2026
    5.0
    They were so kind and the gentleman who helped me was compassionate and throughly explained everything that was needing done and helped me prioritize the order of importance with them. Thank you guys for taking care of my car for me!!

Frequently Asked Questions About Grease Monkey

What services does Grease Monkey in Longmont provide?

Grease Monkey offers oil changes, brake service, tire rotation, tire replacement, and other vehicle maintenance services.

Where is Grease Monkey located in Longmont, CO?

Grease Monkey is located at 2334 Main St, Longmont, CO 80501.

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