Chevy Duramax Diesel Service

When your Chevy Duramax diesel truck needs expert attention, trust the team that knows it best. At Rob’s Automotive Repair in Clackamas, Oregon, our ASE-certified technicians specialize in Duramax diesel maintenance, diagnostics, and repair — keeping your truck powerful, reliable, and ready for the toughest jobs.

Expert Duramax Diesel Service You Can Trust

Chevy Duramax engines are legendary for their strength, towing capability, and longevity — but they also demand specialized care. Our technicians are trained and equipped with the right diesel diagnostic tools and software to handle everything from routine service to advanced repairs on Duramax 6.6L engines and other GM diesel platforms.

Whether you drive a Silverado 2500HD, 3500HD, 4500HD, or 5500HD, our team provides precision service that meets or exceeds factory standards.

We work on all Duramax engine types:

  • LB7 (2001–2004) – Injector replacement and fuel system service
  • LLY (2004.5–2006) – Overheating, turbocharger, and EGR solutions
  • LBZ (2006–2007) – Tuning and emission control upgrades
  • LMM (2007–2010) – DPF cleaning and exhaust system service
  • LML (2011–2016) – DEF system diagnostics and injector work
  • L5P (2017–Present) – Complete service using OEM tools and calibration

Full-Service Duramax Maintenance and Repair

At Rob’s Automotive Repair, we do more than just fix problems — we help you prevent them. Our team creates a service plan tailored to your Duramax truck’s workload, mileage, and usage. From oil changes to full engine rebuilds, we ensure your truck performs flawlessly.

Our Chevy Duramax services include:

  • Diesel Engine Diagnostics and Performance Tuning
  • Oil & Filter Changes with Synthetic Diesel Oil
  • Fuel Injector Testing and Replacement
  • EGR, DPF, and DEF System Service
  • Turbocharger Inspection and Repair
  • Glow Plug and Starting System Repairs
  • Cooling System and Water Pump Replacement
  • Transmission and Drivetrain Service
  • Fleet Maintenance Programs
  • Digital Vehicle Inspections (DVI) with photos and technician reports

We use OEM-grade parts and premium diesel fluids to maintain factory-level durability and performance.

Why Chevy Duramax Owners Choose Rob’s Automotive Repair

Since 2004, Rob’s Automotive Repair has been Clackamas County’s trusted shop for diesel truck service and repair. Our team combines decades of experience with dealership-level equipment to deliver accurate diagnostics and lasting results — without the inflated dealership pricing.

Why local diesel truck owners rely on us:

  • 48-Month / 48,000-Mile Nationwide Warranty
  • ASE-Certified, Diesel-Specialized Technicians
  • Locally Owned & Operated for Over 20 Years
  • Transparent, Honest Communication
  • Same-Day Service on Most Repairs
  • Comfortable Waiting Area & Courtesy Shuttle

We proudly service drivers from Clackamas, Happy Valley, Milwaukie, Gladstone, and Southgate, Oregon.

Diesel Power, Maintained with Precision

Your Duramax isn’t just a truck — it’s a tool, an investment, and often your livelihood. That’s why we treat every diesel repair with the same attention to detail and urgency you do. Our goal is to keep your Duramax reliable, efficient, and powerful for years to come.

Schedule Your Duramax Diesel Service Today

Don’t trust your Chevy Duramax to just any shop — trust the local experts who understand diesel performance from the inside out. Schedule your next Duramax service or repair with Rob’s Automotive Repair in Clackamas today.

Call 503-650-6101 or book your appointment online.
Rob’s Automotive Repair — Clackamas’ trusted experts for Chevy Duramax diesel service and repair since 2004.

48 Months / 48K Mile Warranty Nationwide Coverage
  • Avatar Oran H. ★★★★★ in the last week

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Business Hours:
Open Monday through Friday
from 7:00am – 6:00pm

Proudly serving Clackamas County and surrounding communities

Rob’s Automotive Repair Center is locally owned and operated in Clackamas, Oregon, and we’re honored to work with vehicle owners from across the area. We regularly serve customers from Happy Valley, Damascus, Boring, Oregon City, Gladstone, Oatfield, Pleasant Valley, Barton, Barclay Hills, Holcomb, Hillsview, and nearby Clackamas County communities. Whether you’re close by or making the short drive to our shop, you’ll receive the same quality service, professional repairs, and transparent communication every visit.

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