Diesel Service Technician - (Diagnostic, Major Repair)

RWC Group•Yuma, AZ

5d•Onsite

About The Position

RWC Group is a commercial truck and bus dealership group with 14 locations across AZ, CA, WA, and AK, employing 700 people. The company sells and leases various trucks and buses, featuring OEMs like International, Isuzu, Hino, Cummins, and Allison. They offer a comprehensive range of services including repair, maintenance, alignment, DPF cleaning, body shop, and mobile service. RWC Group emphasizes a family-owned culture that values commitment, compassion, hard work, and mutual success, offering paid training and mentorship for the long-term development of their employees. The Diagnostic Technician role is crucial for performing advanced diagnostics, troubleshooting, and major mechanical repairs on heavy-duty trucks and commercial vehicles, with a specialization in complex issues related to diesel engines, transmissions, electrical systems, and vehicle electronics, ensuring high standards of quality, safety, and efficiency.

Requirements

Minimum of 5 years of experience diagnosing and repairing heavy-duty diesel trucks.
Strong knowledge of International trucks, Cummins engines, Allison transmissions, and Eaton transmissions.
Experience with OEM diagnostic software such as International ServiceMaxx, Cummins INSITE, Allison DOC, and Eaton ServiceRanger.
Strong understanding of diesel engine operation, fuel systems, electrical systems, air systems, and emissions systems.
Ability to interpret wiring diagrams, service manuals, and technical bulletins.
Valid driver's license (CDL preferred).

Nice To Haves

ASE Medium/Heavy Truck Certifications.
International, Cummins, Allison, or Eaton factory certifications.
HVAC and EPA certification is a plus.
Welding and fabrication experience is desirable.

Responsibilities

Perform advanced diagnostics using OEM diagnostic software and tools.
Diagnose and repair heavy-duty diesel engines, including International and Cummins.
Diagnose, troubleshoot, and repair manual and automatic transmissions, including Allison and Eaton.
Perform major engine repairs, including overhauls, in-frame rebuilds, cylinder head replacement, turbocharger replacement, and fuel system repairs.
Perform major transmission replacements.
Diagnose and repair electrical and electronic systems, including CAN communication networks.
Troubleshoot emissions and aftertreatment systems (DPF, DOC, SCR, DEF systems).
Perform engine performance testing and road testing to verify repairs.
Accurately document diagnostic procedures, findings, and repairs in the repair order.
Work closely with Service Advisors and the Service Manager to communicate repair recommendations.
Assist other technicians with difficult diagnostic concerns when needed.
Follow OEM repair procedures and warranty guidelines.
Maintain a clean, organized, and safe work environment.
Complete repairs efficiently while meeting productivity and quality standards.
Participate in manufacturer training and maintain required certifications.