General Diesel Repair in St George, UT

Is your diesel truck experiencing performance issues? Whether you're dealing with engine problems, transmission failures, or electrical system malfunctions, Amoretti Diesel Repair and Service in St. George, UT, has you covered. 

Mechanic providing truck repair in St George, UT
Mechanic working on an engine

Comprehensive Diesel Repair Services in St George, UT

Diesel engines are built for power and durability, but they require specialized care to maintain peak performance. Our team is highly trained in all aspects of diesel repair, from preventive maintenance to major overhauls.

We service and repair:

  • Diesel Engine Systems – From minor fuel injector repairs to complete engine rebuilds, we ensure your truck runs at full efficiency.
  • Transmission Repair – Manual and clutch replacements.
  • Brake Systems – We handle air brake systems, including brake drums, slack adjusters, air compressors, and brake chambers.
  • Exhaust & Emissions – We provide DPF cleaning, EGR system repairs, and SCR maintenance to keep your truck EPA-compliant.
  • Electrical Systems – Our team can diagnose starter issues, alternator problems, battery failures, and ECM faults.
  • Suspension & Alignment – Shocks, struts, leaf springs, airbags, and axle alignment for a smooth and safe ride.
  • Cooling Systems – Radiator repairs, coolant flushes, water pump replacements, and overheating diagnostics.
  • Fuel Systems – From fuel filter changes to injector replacements, we keep your diesel engine running efficiently.

Don’t wait for a minor issue to turn into a costly breakdown. If you notice decreased power, poor fuel economy, excessive smoke, or difficulty starting, bring your truck to Amoretti Diesel Repair and Service for expert diagnostics and repair.

What Makes Us Different?

At Amoretti Diesel Repair and Service, we take pride in offering unmatched diesel repair solutions backed by experience, dedication, and cutting-edge technology.

  • 24/7 Roadside Assistance – Breakdowns don’t wait for business hours. Our team is available 24/7 to get your truck back on the road quickly.
  • State-of-the-Art Facility – With 6 fully-equipped service bays, we handle multiple repairs simultaneously, minimizing downtime for your fleet.
  • Customer-Centric Approach – Our technicians explain issues in simple terms, helping you make informed decisions about your truck’s repair needs.
  • Fast Turnaround – We understand that every hour off the road costs you money, so we focus on efficient diagnostics and timely repairs.
  • Fleet Maintenance Experts – Whether you own a single truck or an entire fleet, we offer customized maintenance plans to reduce unexpected breakdowns and extend vehicle life.

Contact Us for Expert Diesel Repairs – Call 435-773-8511!

If you need expert diesel repair services in St. George, UT, call Amoretti Diesel Repair and Service at 435-773-8511. Our team is ready to handle everything from routine maintenance to major repairs, keeping your trucks in top condition.

FAQs

What Areas Do You Serve for Diesel Repair?

We are located at 3676 S. 1700 E., St George, UT 84790. In addition to St George, UT, we proudly serve Washington, UT; Hurricane, UT; Santa Clara, UT; Ivins, UT; La Verkin, UT; Toquerville, UT; Leeds, UT; Springdale, UT; Enterprise, UT; and Cedar City, UT.

What Are the Signs That My Diesel Engine Needs Repair?

If your diesel truck experiences hard starts, excessive exhaust smoke, reduced fuel efficiency, or unusual engine noises, it may need immediate repairs. Regular preventive maintenance can help identify issues before they escalate.

How Often Should I Get My Diesel Truck Serviced?

It depends on your driving conditions and load capacity, but generally, oil changes every 10,000–15,000 miles and comprehensive inspections every 25,000 miles help prevent major breakdowns.

How Can I Get Diesel Repair Services?

To schedule diesel truck repairs, call 435-773-8511 or visit our shop at 3676 S. 1700 E. St. George, UT. Our team will get you back on the road quickly and efficiently!

Request Service
SERVICES

Our Services

We provide comprehensive diesel repair services, from routine maintenance to complex diagnostics. Our technicians handle fleet maintenance, DOT inspections, suspension repairs, alignments, and more. No job is too big or small—whether you own a single truck or manage a fleet, we keep your vehicles running efficiently and safely.

Request Service
REVIEWS

Testimonials

Here's What our customers are saying, feel free to leave us a review!

Leave a Review

Randy B

Outstanding! Communication is top notch. Had a short window to get truck serviced and they met my needs and get me back on the road with no delays!
Google icon
Star icon
Star icon
Star icon
Star icon
Star icon
Great shop to work with , honest and fast working people. They will go above and beyond to get you back on the road. Our company has used them every time we were in the area, they never disappoint.
Google icon
Star icon
Star icon
Star icon
Star icon
Star icon
Honest and quick response for road assistance. Cascadia in derete mode,they went there as soon as possible and fixed the problem with decent charge for road assistance. Thank you,good job.
Google icon
Star icon
Star icon
Star icon
Star icon
Star icon
Where to Find Us