Diesel Technician (Diesel Mechanic)

Service Technician

The Dobbs Truck Group is a growth company that successfully expands our operations and customer base through a high-quality team of employees. Dobbs Truck Group operates 25 commercial truck dealerships through two operating companies – Dobbs Peterbilt and Western Truck Center. These dealerships represent some of the best commercial truck brands including Peterbilt, Volvo, Mack, Autocar, and Hino and include locations in Arkansas, California, Louisiana, Mississippi, Oregon, Tennessee, and Washington.

We offer a competitive benefits package including medical, dental, vision, long-term disability, life insurance, and 401(k), as well as paid vacation and sick leave. Our Company is looking for long-term employees that we can invest in and grow with as we pursue our mission of being the premier commercial truck dealer group.

This position is responsible for the diagnosis and repair of all vehicles and equipment serviced by the Company's facilities. Service Technicians are expected to perform with the highest degree of professional competence as it relates to quality of work, product knowledge, and customer service.

The duties listed below are intended only as illustrations of the various types of work that may be performed. The omission of specific statements of duties does not exclude them from the position if the work is similar, related, or a logical assignment to the position.

Responsibilities

Level One

• Lube Technician
• Helper and intermediary
• Engines – Quick Service
• Belts/hoses
• Simple electrical
• Radiator flushing/servicing
• Transmission and Differential
• Adjust clutch (internal and external)
• Seal replacement (wheels differential and transmission)
• U-joint/drivetrain
• Brakes and Axles
• Basic understanding of air systems
• Replace brake shoes and drums
• Wheel seal replacement
• R&R brake valves (QC, relay, etc.)
• Brake adjustments
• Electrical
• Service and R&R batteries
• Load test and replace alternators
• Light repairs, R&R assemblies and bulbs, simple wiring
• Load test starter and R&R
• Chassis and Suspension
• Replace shocks
• Inspect components and report findings
• Administrative Responsibilities
• Follow shop policies and procedures
• Report directly to supervisor 70-90% of the time
• Typing detailed stories on repairs performed
• Clean up shop bay

Level Two

• Proficiency in Level 1
• Complete repairs in estimated time per industry standards
• Electrical
• Troubleshoot and repair general electrical failures, charging systems, and starting systems
• Able to read and understand wiring schematics
• Able to troubleshoot electrical circuits
• HVAC systems
• A/C certifications
• Understand how the system works
• Recover and charge system
• Leak checking with nitrogen dye and sniffer
• Perform PM servicing on system
• Flush system
• Troubleshoot air conditioning and heater system for proper operation
• Make up a line/hose for replacement
• Replace evaporator, condenser, expansion valves, orifice tube, compressor clutch
• Clutches
• Determine failure
• R&R all types (Med & HD trucks)
• Cross-shafts
• Resurface flywheels
• Differential
• Replace yokes, u-joints, carrier bearing
• Brake System
• Thorough understanding of truck/trailer air & hydraulic brake system operation
• Advance troubleshooting abilities
• ABS system repairs
• Failure analysis on wheel bearings and races
• Hub Repairs (seals/bearings/races)
• Steer Axle
• R&R springs
• R&R draglink/tie rod and ends
• Set toe-in – use front alignment equipment
• Replace king pins
• Rear Suspensions
• Understand drive-train dynamics
• Able to measure and understand driveline angles
• Able to set air ride height
• Spring replacement
• Air Bag replacement
• Air Suspension plumbing and installation
• Air ride vales and controls
• Torque/Stabilizer arms and equalizer replacement
• Bushing replacement
• Steering
• Replace P/S filter and service system
• Administrative Responsibilities
• Report directly to supervisor less than 100 percent of the time
• Less than 3% comeback ratio
• 85% efficiency ratio
• Understand and use precision tooling
• Understand warranty coverage and limitations

Level Three

• Proficiency in Level 1 & 2
• Perform DOT inspection
• Able to do a complete engine overhaul with troubleshooting, and repair on CAT, Cummins, & MX engines
• Able to do a complete transmission overhaul on Eaton, Meritor, Spicer including auto shift, and sure shift
• Able to do a complete differential overhaul with troubleshooting and repair
• Able to do advanced HVAC diagnostics and repairs
• Able to do advanced electronic troubleshooting and repairs
• Administrative Responsibilities
• Able to supervise and mentor level 1 and 2 technicians
• Able to obtain any information on the manufacture's website
• Report directly to supervisory less than 100 percent of the time
• 85% efficiency ratio
• Type detailed complaint (cause/correction) on repairs
• Understand warranty coverage and limitations
• Able to make concise estimates and obtain SRTs & TRGs times, as needed
• Knows industry standards for 85% of all repairs
• Electronic
• Use and understand engine/truck specific software- INSITE, ET, STW, EDS
• Read printouts and translate for diagnostic repairs
• Program engines using ESDN, EZ TEC software
• Engine and components (able to TROUBLESHOOT, adjust, tune-up, and repair)
• Caterpillar engines – 3100, 3300, 3400 & 3406 models
• Cummins engines – NT series, N14/M11/L10, ISM/ISB/ISC/ISX
• Detroit engines – 50/60 series
• Components – able to perform service or replace:
• Cylinder Head
• Turbocharger
• Injectors
• Rod and Main
• Fuel pump
• Oil Pump
• Water pump
• Jacob Brake Assemblies
• Thermostats
• All engine seals (front/rear mains)
• Able to use dye troubleshoot procedures
• Training/Certifications
• Completed all Peterbilt Training courses (online, self-study, or factory course)
• Completed 95% of Caterpillar, Cummins, or International factory course
• Transmission
• Diagnose common failures
• Input Shaft R&R
• Rear Section O/H (synchro/gearing)
• Differential
• Diagnose Failures
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