Summary
Overview
Work History
Education
Skills
Timeline
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MARIO CASILLAS

LONG BEACH,CA

Summary

Results-driven mechanic with over 15 years of experience in automotive maintenance, repair, and servicing. Expertise in diagnosing vehicle issues across various makes and models, while interpreting technical specifications to enhance repair accuracy and minimize downtime. Proven track record in leading teams to adhere to safety protocols and achieve quick turnarounds, contributing to increased customer satisfaction through timely service delivery. Strong problem-solving skills and familiarity with modern electronic systems support effective troubleshooting and repair processes.

Overview

14
14
years of professional experience

Work History

General Mechanic

All Transmission and Clutch
Long Beach, CA
01.2024 - Current
  • Diagnose with a scanner a variety of maintenance activities for automotive repairs, including check engine, ABS light, TPMS light, traction control light, brake fixes, oil changes, reprogramming, and tire repairs.
  • Conduct a variety of vehicle inspections to diagnose problems and perform necessary repairs.
  • Deliver high customer service in person and on the phone.
  • Prepare invoice details and bill clients.
  • Find and order the parts needed for client repairs.
  • Test-drive vehicles to make sure the problem has been fixed and repaired.
  • Assemble, repair, and maintain tasks on vehicle heating and air conditioning systems.
  • Replace the transmissions and motors of vehicles.
  • Fix suspension and wheel alignment on several vehicles, and perform tune-ups.
  • All transmission repairs.
  • I repair, on average, 25 autos a week for all different types of repairs and services needed.
  • Electric problem repairs and diagnostics.
  • General auto mechanic repair and service.
  • Maintain a clean work area, and keep it organized.
  • Provide my own tools and toolbox to complete the job, and purchase new tools as needed.

General Mechanic

Ron’s Lube n Tune
Signal Hill, CA
09.2012 - 03.2024
  • Auto inspection to interface with clients and diagnose, troubleshoot, and repair problems on a wide range of different vehicles, including gas, electric hybrid, and occasionally some diesel.
  • Inspect and repair oil change, transmission service, transmission flash, cooling flash, AC service and repairs, brakes, tune-up, timing belt replacements, head gaskets, replace engine, and electric.
  • Assisted coworkers in diagnosing problems when needed.
  • Provide a list of parts needed for repairs.
  • Communicated professionally with clients to explain technical faults, repair options, and pricing.
  • Test-drive cars for noises to resolve problems.
  • Air suspension repair.
  • Order and pick up parts for the shop and conduct occasional inventory checks.
  • I gave clients rides when needed, while repairs were getting done.
  • Opening and closing shop procedures.
  • Made sure all client autos were parked, and keys were stored in the shop, and were properly locked and secured by the end of the workday.
  • Keep the work area clean and organized.
  • Repaired, replaced and adjusted brakes.
  • Performed regular maintenance and repairs on a variety of vehicles, including cars, trucks, vans and SUVs.
  • Conducted test drives before and after repair services.
  • Completed required paperwork and delivered to customer.
  • Executed preventive and corrective maintenance on work trucks and other vehicles.
  • Estimated costs of vehicle repair.
  • Kept detailed records of repairs, labor involved, and parts used.
  • Demonstrated strong problem-solving skills, resolving issues efficiently and effectively.
  • Assisted with customer requests and answered questions to improve satisfaction.
  • Maintained updated knowledge through continuing education and advanced training.
  • Managed time effectively to ensure tasks were completed on schedule and deadlines were met.

General Mechanic

Jim’s Auto Sales
Harbor City, CA
05.2015 - 12.2017
  • Alignments and Tire repairs
  • Diagnose with a scanner and repair the check engine, ABS light, TPMS light, and traction control light.
  • Oil change, transmission service, transmission flush, cooling flush, AC service and repairs, brakes, tune-up, timing belt replacements, head gaskets, engine replacement, and electrical repairs.
  • Conduct a variety of vehicle inspections to diagnose problems and perform necessary repairs.
  • Find and order the parts needed for the client repair.
  • General auto mechanic repair and service
  • Multi-point vehicle inspection.
  • Repo for unpaid cars for the dealership.
  • GPS Installations.
  • Custom trucks lift and drop.

General Mechanic

Lupe’s Auto
Ontario, CA
05.2011 - 08.2012
  • Performed troubleshooting and diagnostic procedures to locate source of malfunctions.
  • Replaced oil filters and filled up engine oil tanks with the required amount of lubricant oil.
  • Conveyed troubleshooting diagnosis to customer and outlined proposed repair plan and associated costs.
  • Repaired, replaced and adjusted brakes.
  • Performed regular maintenance and repairs on a variety of vehicles, including cars, trucks, vans and SUVs.
  • Adhered to all safety protocols and guidelines to prevent accidents and injuries.
  • Evaluated vehicle schematics to assess required parts and order accordingly.
  • Conducted test drives before and after repair services.
  • Assessed vehicles or machinery to accurately diagnose and repair issues.
  • Performed maintenance inspections, tune-ups, oil changes and other key services.
  • Tested vehicle systems to ensure proper functioning after repair or installation of new parts.
  • Used hand tools such as wrenches, pliers and screwdrivers to perform repairs.
  • Estimated costs of vehicle repair.
  • Kept detailed records of repairs, labor involved and parts used.
  • Adjusted transmission fluid levels to maintain optimum performance of the transmission system.
  • Improved function of engines by replacing spark plugs, fuel filters and defective sensors.
  • Checked tire pressure levels and changed tires when necessary.
  • Replaced worn or defective parts with new ones.
  • Troubleshot fuel injection systems for any issues that may arise during operation.
  • Used diagnostics and troubleshooting tools to identify failures and equipment issues.
  • Examined drive shafts for signs of wear or damage.
  • Diagnosed mechanical problems using specialized computerized equipment.
  • Worked successfully with diverse group of coworkers to accomplish goals and address issues related to our products and services.

Education

High School Diploma - Certificate in Electromecánica

Colegio De Estudios Científicos Y Tecnológico
El Grullo, Jalisco, MX
01.2010

Skills

  • General mechanic vehicle diagnostics
  • Complex problem solver
  • Proficient with Microsoft
  • Proficient with Excel
  • Proficient with Alldata
  • Proficient with Identifix software
  • Tire Maintenance
  • Electrical systems
  • Hand tools
  • Hydraulic Systems
  • Motorization Expertise
  • Automotive Oil Changes
  • Proactive Maintenance Practices
  • Automotive brakes
  • Interpersonal Communication Skills
  • Detail-oriented
  • Forklift experience
  • Heavy equipment
  • Effective Team Contributor
  • Excellent time management skills
  • Data analytics
  • Vehicle inspections
  • Exhaust systems
  • Fluid exchanges
  • Transmission repair
  • Diagnostic Analysis
  • Air conditioning
  • Brake systems
  • Battery services
  • Axle repairs
  • Clutch repairs
  • Maintenance scheduling

Timeline

General Mechanic

All Transmission and Clutch
01.2024 - Current

General Mechanic

Jim’s Auto Sales
05.2015 - 12.2017

General Mechanic

Ron’s Lube n Tune
09.2012 - 03.2024

General Mechanic

Lupe’s Auto
05.2011 - 08.2012

High School Diploma - Certificate in Electromecánica

Colegio De Estudios Científicos Y Tecnológico

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MARIO CASILLAS