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General Motors Diesel Technician

Courtesy Chevrolet Phoenix
Phoenix, AZ Full Time
POSTED ON 5/29/2026
AVAILABLE BEFORE 6/13/2026

About Us:

Courtesy Automotive Group is a family-owned and operated business since 1955. At Courtesy, we are more than just a dealership – we are a trusted automotive partner dedicated to providing an exceptional experience to our customers. With a proud legacy spanning several decades, we are committed to delivering excellence in every aspect of the automotive journey. We believe in transparency, customer satisfaction, and fostering a positive environment for both our team members and clients.

 

Position Overview:

We are looking for a highly skilled and GM‑certified Diesel Technician to join our service department. This role requires a technician who already understands the complexity of GM diesel platforms and can perform advanced diagnostics, repairs, and maintenance with minimal supervision. You will be responsible for delivering high‑quality workmanship, maintaining manufacturer standards, and supporting the overall performance of our diesel service operations.

 

Key Responsibilities:

  • Diagnose, repair, and maintain GM diesel engines, including Duramax platforms.
  • Perform advanced troubleshooting using GM diagnostic systems and factory procedures.
  • Complete diesel‑specific repairs such as fuel system work, emissions systems, turbochargers, DEF systems, and high‑pressure components.
  • Document all repairs accurately in accordance with GM and dealership standards.
  • Communicate effectively with service advisors regarding repair needs, timelines, and recommendations.
  • Maintain a clean, safe, and organized work environment.
  • Participate in ongoing GM training to stay current with new diesel technologies and service bulletins.
  • Support team members by sharing expertise and assisting with complex repairs when needed.

 

Qualifications:

  • GM factory training (required for consideration).
  • Minimum 3 years of dealership experience working on GM vehicles.
  • Strong diagnostic and mechanical skills specific to diesel engines.
  • Proficiency with GM tools, systems, and service information (e.g., GDS2, SI).
  • Valid driver’s license with a clean driving record.
  • Ability to work independently and maintain high standards of quality and accuracy.
  • Strong problem‑solving skills and attention to detail.

 

What We Have To Offer:

  • Paid time off
  • Employee discounts.
  • Comprehensive benefits such as health, dental, and vision insurance.
  • Company-sponsored life insurance.
  • 401(k) retirement savings plan.
  • Opportunities for career growth and advancement.
  • Values-driven culture built on professionalism, integrity, and a fun family atmosphere

 

Apply With Us:

If you are ready for a rewarding career and opportunities for career growth and advancement, then consider joining the Courtesy Automotive Group family. Our interview process typically includes a phone interview, one or multiple in-person interviews, background check, drug screening, and a driving record review. Be a part of a winning team and outstanding culture, apply with us today.

We hire the best and brightest from all races, nationalities, and sexes. We don’t make decisions based on any protected characteristic.

Salary.com Estimation for General Motors Diesel Technician in Phoenix, AZ
$60,679 to $76,082
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