Truck Oil & Fluid in Fontana, CA

Are you looking for dependable oil and fluid services that keep your diesel fleet running smoothly? OnSite Truck & Equipment Repair is your go-to expert in Fontana, CA, providing specialized maintenance for diesel vehicles and fleets across multiple counties.

Diesel mechanic performing oil and fluid services in Fontana, CA

Comprehensive Oil and Fluid Solutions at OnSite Truck & Equipment Repair

At OnSite Truck & Equipment Repair, we understand that proper fluid management is crucial to the longevity and efficiency of your diesel engines. Our skilled technicians are equipped with the latest tools and knowledge to provide top-notch oil and fluid services, including coolant/antifreeze flush, power steering and transmission fluid change and flush, oil change, and oil filter change. Whether you operate a single vehicle or manage a fleet, our services are designed to minimize downtime and maximize performance.

  • Coolant/Antifreeze Flush: Over time, coolant can become acidic and lose its ability to protect your engine from temperature extremes and corrosion. Our coolant flush service removes old antifreeze and contaminants from your system, replacing it with new, high-quality coolant that meets or exceeds your manufacturer’s specifications.
  • Oil and Oil Filter Changes: Regular oil changes are essential to maintain engine lubrication, reduce wear, and remove impurities. We use premium oils that provide superior protection and longevity for your diesel engines. Our comprehensive oil filter change ensures that your engine is free from debris and running at its best.

Operating out of Fontana, CA, we serve not just our local community but also extend our services to Chino Hills, City of Industry, Claremont, Jurupa Valley, Palm Springs, Pomona, Riverside, and all cities within Los Angeles County, Orange County, San Bernardino County, and the Inland Empire.

Schedule Your Service Today! Call (951) 588-8000

Don't wait for maintenance issues to arise. Keep your diesel vehicles in prime condition with OnSite Truck & Equipment Repair. Call us today at (951) 588-8000 to schedule your next oil and fluid service and experience unparalleled professionalism and care.

FAQs About Our Oil and Fluid Services

What types of oil and fluid services do you offer?

We offer a comprehensive range of services, including coolant/antifreeze flush, power steering and transmission fluid changes, oil change, and oil filter change, tailored specifically for diesel engines.

How often should I have my vehicle's fluids checked and changed?

It's generally recommended to check your vehicle’s fluids at regular intervals and change them according to the manufacturer's guidelines. However, for specific intervals based on your vehicle and usage, consult with our technicians.

Do you service fleets as well as individual vehicles?

Yes, OnSite Truck & Equipment Repair is equipped to handle both individual vehicles and entire fleets, offering regular maintenance schedules to ensure all your vehicles are performing optimally.

What areas do you serve?

We serve Fontana, CA, and the surrounding areas including Chino Hills, City of Industry, Claremont, Jurupa Valley, Palm Springs, Pomona, Riverside, and all cities within Los Angeles, Orange, San Bernardino Counties, and the Inland Empire.

Need Professional Oil and Fluid Services? Call Us Now at (951) 588-8000

Ensure your diesel vehicles and fleets are in top condition. Contact OnSite Truck & Equipment Repair today at (951) 588-8000 for expert oil and fluid services that you can trust. Let us help you maintain your investment and keep your operations running smoothly.

What They're Saying About Us

See why our customers consider OnSite Truck & Equipment Repair the go-to repair shop in Fontana, CA and the surrounding areas!

Best truck repair in town!! Broke down on the side of the freeway - they sent a tech to me and he took my truck apart and had another technician bring him the part to replace! Quick, easy, efficient and super nice. Thanks Kacie, Maui and Vanessa!!

Freddy Daniel Miranda Silva

Very professional and great work done. Definitely have a returning customer with me and my trucks

Christopher Van Egmond

It was a privilege having your tech Payne work on our company equipment. He goes above and beyond every time and has excellent customer service skills. I look forward to Payne handling our account more regularly.

Jeff Brown

I took my personal truck to Onsite to get new tires. Working with Kacie she is professional. The Onsite team did a great job on the installation.

Joshua Shafor

My dad went in to get his truck fixed and this place did not disappoint. Adael was very friendly, walked him through the whole process and all associated costs. As a Spanish speaker, it’s nice to know people still care and take the time to help instead of trying to make a quick dollar. His truck was ready to go within the timeline he was given & he left a happy customer. Thank you!

Jazmine Vazquez

Contact Us

Need roadside assistance, have questions, or want to schedule your truck or trailer in for a service or repair? Get in touch, we're open Monday through Friday from 7:00am to 4:00pm.

Our Hours

Monday - Friday
7:00 AM to 4:00 PM

Saturday - Sunday
Appointments Only

24/7 Roadside assistance

Speak to a Service Advisor Now!