Diesel Repair

Not Just Your Auto Repair Expert: Your Auto Repair Partner

Finding a dealership alternative for diesel repair can be challenging.

Look no further! C&M Auto Service Inc. in Morgan Hill, CA., is equipped with highly skilled ASE-certified diesel technicians, state-of-the-art equipment, and top-quality tools. We offer comprehensive diesel maintenance and repair services for daily drivers, farm trucks, pickup trucks, and fleet vehicles.

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A white pickup truck is parked inside C&M Auto Service, with its driver-side door open and equipment nearby. The shop boasts a clean, spacious interior with high ceilings, visible tools, and the expertise of a trusted mechanic.

Experience the C&M Auto Service Inc.
Auto Repair Difference

Don’t settle for subpar auto repair and customer service! Get the best-in-class dealership experience without the cost. C&M Auto Service Inc. is the leading auto repair center in Morgan Hill, CA., and our goal is to make the process as easy and hassle-free as possible. Here’s how:

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Expert Technicians

Our auto technicians are not only ASE Certified but also hold AAA certification for towing and Bosch certification. With years of hands-on experience, our skilled diesel specialists are adept at working on a wide range of vehicles—from diesel sedans to large trucks and fleet vehicles. Whether your needs are as simple as regular maintenance or as complex as a complete engine overhaul, you can trust us to deliver top-notch service.

A black pickup truck is lifted on a hydraulic car lift at C&M Auto Service, a trusted mechanic and auto repair shop in Morgan Hill, California, with tools, supplies, and other vehicles visible in the background.

Cutting-Edge Equipment

To deliver the highest quality of service, we invest in the latest diagnostic equipment and tools. This cutting-edge technology enables us to diagnose vehicle issues with unparalleled accuracy. Moreover, our efficient diagnostic process means you’ll spend less time waiting and more time on the road.
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Quality Parts

At C&M Auto Service Inc., we prioritize durability and performance by exclusively using OEM parts or manufacturer-recommended aftermarket parts. By adhering to these high standards, we ensure that your diesel vehicles not only last longer but also operate at peak efficiency.
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Diesel Repair and Maintenance Services
at C&M Auto Service Inc

We offer a comprehensive range of diesel repair and maintenance services to ensure your vehicle remains safe and operates efficiently:

Diesel Engine Diagnostics

Utilizing the latest diagnostic equipment, we can swiftly identify engine issues and execute accurate repairs.

Preventative Maintenance

Reduce the risk of unexpected breakdowns with our regular maintenance services, including oil changes, transmission flushes, fuel filter replacements, air filter replacements, and injector cleaning.

Engine Repairs

Whether you need minor repairs or a complete engine overhaul, our skilled technicians can handle it.

Fuel System Service and Repairs

We offer services to clean injectors and replace fuel system components like fuel pumps, fuel filters, and fuel lines.

Turbocharger Repairs

Should your diesel engine’s turbocharger fail or malfunction, we can repair or replace it to restore your vehicle’s power.

Exhaust System Maintenance and Repairs

Our team can inspect and repair exhaust systems as well as clean or replace DEF filters.

Electrical System Repairs

We can repair a range of electrical systems in diesel vehicles, including starters, chargers, ignitions, and wiring.

Cooling System Maintenance and Repairs

A malfunctioning cooling system can lead to engine overheating and significant damage. We offer coolant flush services and other repairs to maintain optimal engine temperature.

Transmission Repairs

If your transmission is failing, it’s as bad as having a non-working engine. We offer both transmission flush services and repairs.

Steering and Suspension

Given that your vehicle’s steering and suspension systems are constantly in use, they experience significant wear and tear. We offer repairs to keep your ride smooth and safe.

Tires and Alignments

Diesel work or fleet vehicles can be especially hard on tires. Whether you’re driving on rough terrain or paved roads, we can check and adjust your alignment to prolong tire life.

Tires and Alignments

If you use your diesel vehicle for work or your fleet is diesel, you know you can go through tires faster than you would on your daily driver. You can also have alignment issues, especially if you drive on dirt roads or farm fields. We can check the alignment to make sure the wheels are aligned so you don’t wear out the tires even faster.

Our Amenities

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Newly-renovated lobby and waiting area

Red line drawing of a kitchen sink with a faucet, two cabinet doors below, an open drawer on the left, and dishes or containers on the countertop to the right—just like the attention to detail youd expect from a trusted mechanic at C&M Auto Service.

Pristine
bathrooms

A solid, vibrant red square fills the entire image with no visible patterns, textures, or objects—reminiscent of the bold branding at C&M Auto Service, a trusted auto repair shop in Morgan Hill, California.

Loaner
vehicles

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Complimentary drop-off and pick-up services

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Convenient after-hours and early bird service

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Secure lockbox solutions

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AAA-Certified shop for towing

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And
more

We Go the Distance, So Your Vehicle Can Too

A red and silver shield-shaped badge displays 3 YEAR / 36,000 MILE WARRANTY in bold white and black text—symbolizing trusted auto repair from an Auto repair shop in Morgan Hill California.

3-Year/36,000-Mile Warranty

A circular badge featuring the words Lifetime Warranty in bold white letters on a red background, surrounded by a silver and black border that repeats the phrase Lifetime Warranty—perfect for a trusted mechanic like C&M Auto Service.

Lifetime Warranty on Certain Suspension parts

Get Auto Repair Today. Pay for It Tomorrow.

NAPA Easy Pay logo – offering flexible financing options for auto repairs and services at C&M Auto Service, making it easier to manage payments

NAPA EasyPay Financing

Get 6 Month Promotional Financing on auto repairs of $199 or more.
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Snap Finance

A perfect option for customers with less-than-perfect credit or no credit at all.
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Klarna

With no credit check, Klarna allows you to easily stretch out your auto repair payments over many months.

Contact C&M Auto Service Inc.

When you need experienced, friendly technicians and want to avoid the hassle of going to a dealership, choose C & M Auto Service Inc. You’ll receive care that’s better than or equal to what you’d find at a dealership, along with high-quality repairs.

Contact C & M Auto Service Inc. at 408-778-8218 to schedule an appointment. We are conveniently located at 16169 Caputo Dr., Morgan Hill, CA.

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OFFICE HOURS

  • Mon - Fri: 7:30 AM - 5:30 PM
  • Sat & Sun: Closed
  • Copyright © 2025 C&M Auto Service Inc., All Rights Reserved.
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