Denver Grease Monkey – Your Oil Change Pros! Your Denver Grease Monkey® on Colorado Boulevard is your trusted neighborhood destination for fast, affordable oil changes and automotive services. For over 38 years, we’ve proudly served the Denver community with reliable service, expert care, and a commitment to keeping you safely on the road.
Every visit includes a comprehensive 16-point inspection performed by our Certified Pit Crew technicians — ensuring your vehicle is running at peak performance.
We stand behind our work with a 3-month / 3,000-mile limited warranty*.
We inspect both your engine and cabin air filters and recommend replacements based on your manufacturer’s guidelines.
Our team checks, vacuums, purges, and recharges your A/C system according to your vehicle’s specifications.
We test your battery’s performance and provide replacement options if needed to keep your vehicle starting reliably.
Our brake service includes a thorough inspection of your braking system and fluid exchange to maintain safe stopping performance.
We check and refill diesel exhaust fluid levels to ensure proper emissions system performance.
We drain old, contaminated gear oil and replace it with fresh, high-quality fluid to protect gears, seals, and bearings.
Designed to restore performance, improve fuel efficiency, and reduce emissions by cleaning key engine components.
We review manufacturer recommendations and advise on the proper replacement interval for your vehicle’s fuel filter.
Including a Free 16 Pt Inspection
Oil is the lifeblood of your vehicle’s engine. Changing the oil and filter according to your owner’s manual specifications will keep your engine running smoothly and maintain your warranty. Every Full Service Oil Change includes a free 16-Point Inspection. We proudly feature Mobil1™ and Mobil Super™ products in Denver, CO.
We inspect all exterior lights and will let you know if any are out or not functioning properly. Our team can quickly replace them on the spot.
Regular tire rotations (every 5,000–8,000 miles) help extend tire life and improve performance. We follow your vehicle’s recommended schedule.
Our headlight restoration service takes about 15 minutes and includes polishing scratches and pitted surfaces, removing cloudy buildup, and resealing with a durable, clear protective coating.
Restore smooth, reliable steering with a professional power steering fluid flush performed by our Certified Pit Crew.
During every full-service oil change, we inspect your cooling system and recommend fluid exchanges based on your manufacturer’s guidelines to ensure optimal performance.
Essential for 4WD and AWD vehicles, this service replaces worn fluid to prevent breakdown, reduce wear, and protect internal components.
We service RVs with the same quality care and efficiency to keep your RV road-trip ready.
As part of our 16-point inspection, we check your serpentine belt and recommend replacement based on manufacturer intervals using high-quality components.
We inspect your transmission system, drain or flush old fluid, and refill with manufacturer-recommended fluid. Filter replacement and post-service checks are included when applicable.
We offer standard and premium wiper blades designed for all seasons, including snow and heavy rain.
Our technicians can quickly repair minor chips, helping prevent cracks and avoiding the cost of full windshield replacement.
Extend the life of your vehicles and boost the productivity of your drivers with our fast and professional fleet services in Denver. We’re trusted by national fleet brands such as Hertz, Enterprise, and U-Haul.
Appointments aren’t necessary, but we are happy to accommodate your fleet in any way we can! We’ll keep a detailed history of all the services performed on each of your vehicles and you’ll be notified if you have any recommended services coming up.
Want to learn more or sign up your fleet Account? Visit us at https://oilexgreasemonkey.com/fleet-services/ and someone will be with you shortly.
Grease Monkey® is the nation’s largest independent franchisor of automotive oil change centers. Founded in 1978 and headquartered in Denver, Colorado, the brand now operates more than 300 locations worldwide and serves over 2 million customers each year.
Locally, Grease Monkey is a trusted, locally owned and operated automotive service provider in Colorado and Arizona, specializing in quick, convenient, and affordable oil change services.
Trust our Certified Pit Crew members, superior fluids, and quality parts. At Grease Monkey®, you can schedule online in seconds or simply pull into a bay—no appointment necessary. We’re here to keep your engine clean, efficient, and road ready.
Business Hours
Monday – Friday: 8am-6pm | Saturday: 8am – 5pm | Sunday: 9am – 5pm
Grease Monkey #91 Business Hours
Monday – Friday: 7am-6pm | Saturday: 8am – 5pm | Sunday: 10am – 4pm