Ivan Kozorezov

Certifications
• Mobile AC Technician Certificate (1993–Present)
• Operated independent repair business servicing cars, midsize trucks, and medium-duty vehicles.
• Rebuilt and repaired engines, automatic and manual transmissions, differentials, and suspension systems.
• Diagnosed and repaired electrical systems, including starters, alternators, fuses, and wiring using Mitchell wiring diagrams and scan tools.
• Performed hydraulic system maintenance, brake repairs (air and disc), and ABS diagnostics and repairs.
• Maintained and repaired hybrid systems and diesel after-treatment components (DPF) on smaller vehicles.
• Conducted complex AC diagnostics and repairs including compressors, evaporators, condensers, receiver dryers, and piping.
• Oversaw up to 42 employees historically; currently operates independently.
• Selected repair examples:
– Rebuilt automatic transmission on 2019 Toyota Camry (UBA DE), including valve body replacement.
– Rebuilt differentials and performed brake/suspension work on Isuzu NPR medium-duty trucks (kingpins, bushings).
– Replaced fuel pumps on Hino-compatible medium-duty trucks.
– Completed complex Dodge Ram 3500 engine and belt system repair (harmonic balancer, water pump, radiator).
– Performed Audi Quattro front crank seal and valve cover gasket replacement; welded under-radiator torque mount.
– Rebuilt engines and transmissions on Toyota, Nissan, and Chevrolet platforms; performed rear main seals, wheel bearings, and engine mounts.

Firestone – [Location]
Prior to October 1995
• Performed automotive repairs; left to pursue independent work due to high workload.

Instructor & Mechanic – Soviet Union
• Worked as a truck driver and mechanic on heavy trucks and buses, performing all mechanical repairs except bodywork.
• Served as a driving school instructor; repaired engines, transmissions, differentials, electrical systems, and hydraulics.

TV Company – Soviet Union
• Performed comprehensive mechanical repairs on vehicles, engines, and transmissions.

Technical Skills
• Engines: Cummins, Toyota, midsize trucks, gasoline & diesel engines
• Transmissions: Automatic, manual, medium-duty (Chevy 250/350, Isuzu), UBADE, Allison
• Brakes: Air brakes, disc brakes, ABS diagnostics
• Suspension & Steering: Hydraulics, shocks, kingpins, bushings, torque mounts
• Electrical: Starters, alternators, wiring, diagrams, sensors, Autel/OEM scan tools
• AC Systems: Compressors, evaporators, condensers, receiver dryers, orifice tubes, hybrid AC systems
• Diagnostic Tools: Autel scan tool, OEM software, stethoscope for air/vacuum leak detection
• Repairs: Full rebuilds, component replacements, welding, complex troubleshooting

Highlighted Accomplishments
• Independently managed full engine and transmission rebuilds on cars and medium-duty trucks.
• Diagnosed complex electrical and mechanical issues using scan tools and traditional diagnostic methods.
• Maintained and repaired hybrid and diesel vehicles with advanced electronic systems.
• Managed a team of up to 42 mechanics during operation of an independent shop.