OMAR ROSARIO

• Diagnosed and repaired diesel engines, ensuring optimal performance and reliability.
• Conducted routine maintenance checks on heavy-duty trucks and equipment.
• Utilized diagnostic tools to identify mechanical issues efficiently.
• Collaborated with team members to streamline repair processes and improve turnaround times.
• Maintained accurate records of repairs and maintenance performed on vehicles.
• Utilized hand tools and power tools to repair and maintain diesel engines according to industry standards.
• Troubleshot and diagnosed problems with brakes, steering, and transmissions.
• Supported overall workshop efficiency by maintaining a clean, organized workspace and adhering to safety guidelines.
• Troubleshot electrical system issues accurately to reduce the likelihood of recurring problems down the line.
• Disassembled and repaired diesel engines in automobiles, trucks, buses, and construction vehicles.

Diagnosed and repaired diesel engines using advanced diagnostic tools and techniques.

• Conducted routine maintenance on heavy-duty vehicles to ensure operational efficiency and safety standards.
• Collaborated with team members to develop preventive maintenance schedules, reducing downtime significantly.
• Worked on school transportation vehicles; school buses, school vans, etc..
• Ensured compliance with environmental regulations during maintenance and repair processes of city vehicles.
• Diagnosed and repaired diesel engines to restore functionality in heavy-duty vehicles.

• Performed preventive maintenance on engines, transmissions, tires, and other vehicle systems.
• Maintained detailed records of all repairs, parts replacements, and services performed for reference during future work.
• Completed checklist of fluid levels, air filter, tire pressure, and more as part of service orders.
• Examined engines, transmissions and vehicle systems to diagnose issues.
• Documented findings and actions taken.
• Inspected and adjusted brakes, steering systems and wheel bearings to address related issues.
• Installed new systems and components in vehicles.
• Ensured safety compliance by maintaining up-to-date knowledge of federal regulations related to diesel mechanics.
• Used specialty equipment, standard tools, and gauges to complete assessments and repairs.
• Minimized costly breakdowns through proactive preventative maintenance measures on heavy equipment and vehicles.