CDR DIESEL REPAIR SERVICES

Welcome to CDR Diesel Mechanics Repair Shop, the trusted name in diesel repair for Avondale, Arizona.

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"Avondale's #1 Diesel Repair Shop: Professional, Reliable, Fast"

We specialize in servicing heavy-duty trucks, commercial fleets, and diesel-powered vehicles. With a team of certified technicians and the latest diagnostic and repair technology, we ensure your vehicles stay on the road and running smoothly.

Our Services Include:

A full range of diesel repair and maintenance services to keep your fleet in peak condition.

Routine Maintenance

Regular maintenance is key to preventing breakdowns. Our preventive services include oil changes, fluid replacements, tire checks, brake adjustments, and more. We ensure your trucks are road-ready at all times.

Brake Services

Safety is key, and CDR Diesel Services provides complete brake inspections, pad replacements, and hydraulic repairs. Whether your brakes are squeaking or losing performance, we ensure your truck's braking system is reliable and responsive.

Engine Diagnostics and Repair

Our team specializes in diagnosing and repairing all major diesel engine systems. Whether it's fuel injection, turbocharger issues, or a complete engine rebuild, we’ve got you covered. Using the latest

Caterpillar Electronic Technician (CAT ET)

and

Cummins INSITE

diagnostic tools, we ensure your engine runs like new.

Transmission Services

From simple transmission servicing to full replacements, we handle all transmission and drivetrain issues. Our shop uses Allison DOC Software for quick and accurate diagnostics of transmission problems..

Steering and Shocks

CDR Diesel offers expert repairs for steering and suspension systems, including shock absorber replacement and power steering adjustments. We make sure your truck handles smoothly, even under heavy loads or on rough terrain.

Exhaust System Services

We provide full exhaust system repairs and replacements to reduce emissions and ensure compliance with state regulations. We use DPF (Diesel Particulate Filter) cleaning machines to restore your filter's efficiency, helping you meet environmental standards.

Electrical System Repairs

Our technicians at CDR Diesel specialize in diagnosing and fixing electrical issues such as battery failures, alternator problems, or wiring faults. We use advanced tools to ensure your truck’s electrical components work seamlessly, from the starter to the lights.

AC and Heating Services

CDR Diesel Services

ensures your truck's AC and heating system is fully functional, providing repairs for issues like refrigerant leaks, faulty blowers, or heater core problems. Our goal is to keep your cab comfortable year-round, no matter the weather.

Tire Services

We offer tailored preventive maintenance programs for fleets, ensuring regular check-ups and repairs to avoid costly breakdowns. Our fleet services include oil changes, fluid checks, tire replacements, and more.

CDR Diesel Repair and Maintenance Services

Unexpected breakdowns can happen at any time. At

CDR Diesel Services,

we make diesel truck repairs as seamless as possible. When you arrive, you'll receive a detailed computerized diagnostic, and our skilled team will ensure your truck is back to peak performance, so you can get back on the road quickly and safely.

What our Customer are Saying

"CDR Diesel’s team is incredibly knowledgeable and fast. They got my truck back on the road in no time, and their customer service is unmatched."

"Outstanding service! They quickly diagnosed and fixed an engine issue that others couldn't. My truck runs better than ever!"

– Cody Fisher

Cody Fisher

I've been bringing my vehicles to
Automotive Repair/Mechanic for years, and they never disappoint. From routine maintenance to major repairs, their knowledgeable staff and fair pricing make them my go-to mechanics. Trustworthy, reliable, and always ready to help—they've earned my loyalty!

Kristin Watson

After a bad experience elsewhere, I was hesitant to trust another mechanic. However, CDR restored my faith in local Diesel Repair shops. They were transparent about the repairs needed, kept me informed throughout the process, and delivered quality workmanship. Top-notch service all around!

Albert Flores

Frequently Asked Questions

How often should I service my diesel engine?

.

Diesel engines should generally be serviced every 6 months or every 5,000 to 7,500 miles, depending on usage and manufacturer recommendations.

What are common signs my diesel engine needs repairs?

Look out for loss of power, excessive smoke, strange noises, or a decrease in fuel efficiency.

What causes black smoke from a diesel engine?

Black smoke often indicates incomplete combustion, usually due to a clogged air filter, malfunctioning turbocharger, or fuel injector issues.

What should I do if my check engine light comes on?

Pay attention to how the truck runs—if you notice unusual sounds or performance, pull over safely.. Visit CDR Diesel Repair Services for diagnosis. Even if there are no immediate symptoms, don’t ignore the light; schedule a service with CDR soon to avoid more serious damage..

How important is regular DPF cleaning?

Cleaning the Diesel Particulate Filter (DPF) is crucial to prevent blockages that can reduce engine performance and increase emissions.