Jeff Holstien
Diesel Technician
Moreno Valley,CA
Summary
Talented Automotive and Diesel Technician with strong background working on all types of vehicles and equipment. Quick to identify mechanical issues and complete repairs. Bringing strong work ethic and a record of reliability.
Overview
20
20
years of professional experience
7
7
years of post-secondary education
2
2
Certifications
Work History
Automotive & Diesel Technician
Protrans Automotive & Transmission Specialists
Riverside
02.2022 - Current
- Maintained a safe work environment by adhering to safety guidelines and protocols.
- Performed thorough inspections and completed preventive maintenance, such as engine tune-ups, oil changes, tire rotations, wheel balancing, and filter replacement.
- Performed diagnostic and troubleshooting procedures using OEM-specific code readers, diagnostic trees, and online knowledge bases to find and identify root causes of mechanical issues.
- Delivered exceptional customer service by addressing concerns promptly and providing clear explanations of complex technical issues.
- Collaborated with service advisors to provide accurate estimates and timelines for automotive repairs.
- Performed necessary repairs in all systems, including electrical, hydraulic, heating and air conditioning, steering and suspension, hydraulic brakes, air brakes, base engine, engine performance, and emission controls.
- Improved efficiency in the workshop by organizing tools, equipment, and workspace for easy access.
- Maximized productivity levels and customer satisfaction by consistently completing assigned tasks within projected timeframes.
- Avoided costly errors with meticulous attention to detail during inspection and repair processes.
- Supported team members in troubleshooting complex issues, resulting in successful problem resolution.
- Trained and coached junior employees on procedures for completing various types of repairs and maintenance.
- Adhered to environmentally friendly practices while disposing of hazardous waste materials according to proper regulations.
- Kept up-to-date on industry trends and new technologies through continuous professional development courses.
Shop Owner
Precision Diesel Repair LLC.
02.2012 - 02.2022
- Performed bumper-to-bumper repairs and maintenance on vehicles and trailers, including gas, diesel, hybrid, and propane-powered vehicles.
- Performed mobile repairs and PM for fleet customers, including semi trucks, tractors, excavators, generators, compressors, fork lifts, trailers, liftgates, and other construction equipment.
- Performed fabrication and welding repairs on classic and custom vehicles, and construction equipment.
- Developed a loyal customer base by consistently delivering high-quality, personalized service.
- Worked in all positions of the company while establishing foundational processes for business operations.
- Hired, trained, and motivated employees to perform daily business functions.
- Managed day-to-day business operations.
- Streamlined operations by implementing and improving efficient processes.
- Evaluated employee performance regularly, coached, counseled, and disciplined employees when necessary.
- Addressed customer complaints effectively, resolving issues quickly to maintain overall satisfaction levels among clientele.
- Maintained accurate financial records, including sales reports, expense tracking, and budget management.
- Managed inventory levels efficiently, ensuring optimal stock availability, and minimizing overhead costs.
- Improved profit margins by carefully analyzing sales data and adjusting pricing strategies accordingly, based on demand fluctuations or competitor activity.
- Collaborated with suppliers to negotiate favorable pricing terms and ensure timely delivery of parts and supplies.
- Prepared annual budgets and monitored financial objectives.
Diesel Technician
Transwest Truck Center
06.2010 - 02.2012
- Troubleshot systems, traced problems, and diagnosed root causes on light-duty, medium-duty, and heavy-duty diesel engines in trucks, RVs, and buses.
- Developed expertise in electronic control systems, enabling accurate troubleshooting of advanced diesel engine issues.
- Refined diagnostic skills across various diesel engine models, such as Ford Powerstroke, International, Cummins, Caterpillar, Peterbilt, and Volvo, ensuring accurate identification of underlying issues for targeted repairs. .
- Performed repairs on hydraulic and air brake systems, such as Wabco and Bendix.
- Performed vehicle lubrication and DOT safety inspections, as well as other PM services.
- Maintained safe working conditions by keeping shop areas clean and free from unneeded items.
- Completed warranty services and submitted required paperwork.
- Improved team skill sets, mentoring junior technicians in advanced repair techniques.
- Performed Quality Control inspections on repairs completed by other technicians.
Diesel Technician
Fritts Ford
06.2004 - 06.2010
- Started as a Lot Porter for the service department and worked up to Diesel Technician.
- Completed warranty services and submitted required paperwork.
- Troubleshot systems, traced problems and diagnosed root causes.
- Maintained safe working conditions by keeping shop areas clean and free from unneeded items.
- Performed preventive maintenance on diesel engines, preventing malfunctions.
- Diagnosed mechanical problems for repair or replacement.
- Handled repairs, replacing broken components and inspecting engines for wear and tear.
- Collaborated with other mechanics to inspect diesel engines for signs of damage.
Education
Associate of Science - Ford ASSET
Riverside City College
Riverside, CA 06.2004 - 06.2007
High School Diploma -
Canyon Springs High School
Moreno Valley, CA 06.2000 - 06.2004
Skills
Troubleshooting skills
Strong Work Ethic
Safety awareness
Problem-Solving
Electrical and electronic diagnostics and repair
Hydraulic and air brake system maintenance and repair
Steering and suspension diagnostics and repair
Heating and air conditioning diagnostics and repair
Engine diagnostics
Welding and fabrication
Wheel alignment
Hydraulic systems
Certification
Ford Senior Master Certification
Timeline
Automotive & Diesel Technician
Protrans Automotive & Transmission Specialists
02.2022 - Current
Shop Owner
Precision Diesel Repair LLC.
02.2012 - 02.2022
Diesel Technician
Transwest Truck Center
06.2010 - 02.2012
Diesel Technician
Fritts Ford
06.2004 - 06.2010
Associate of Science - Ford ASSET
Riverside City College
06.2004 - 06.2007
High School Diploma -
Canyon Springs High School
06.2000 - 06.2004
Ford Senior Master Certification
ASE certified
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