Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Awards
Generic

SERGIO GARCIA LINARES

Lake Elsinore,CA

Summary

Dedicated mechanic with extensive experience servicing medium to heavy trucks, ensuring optimal performance and reliability. Expertise in diagnosing and repairing various systems minimizes vehicle downtime and enhances operational efficiency. Proficient in working with engines, transmissions, steering mechanisms, and more, delivering high-quality results in a fast-paced environment. Committed to maintaining safety standards and providing exceptional service.

Overview

14
14
years of professional experience
1
1
Certification

Work History

Truck Mechanic

County Of Riverside Transportation Dept
Riverside, CA
10.2025 - Current

-Overhaul CAT engines

-Overhaul A/C systems

-Overhaul 10 yarder truck manual transmissions/clutches

-Overhaul Brake system

-Overhaul Engine wiring harness

-Overhaul Automatic Transmissions

-Placed units out for service

-Overhauls Engine Cooling Systems

-Perform PMs on trucks

-Perform PMs on heavy equipment such as pavers, graders, loaders

-Perform BIT inspections

-Navigate trough CAT SIS program

-Navigate through ProDemand and Truck Demand for any trouble shooting steps, wiring diagrams.

-Navigate through Cummins insite for trouble shooting steps.

-Diagnose Electrical/Electronic issues

-Performed routine maintenance including oil changes, brake inspections.

-Experience on using ASSET Works program to input work documentation

-Experience on use IMAINT program to input work documentation

-Current Valid CDL License Class A with Tankers, Passenger and Air Brake Endorsement

Feet Mechanic

City Of Rancho Cucamonga
Rancho Cucamonga, CA
08.2022 - 10.2025
  • Diagnosed system failures and disassembled vehicles to repair or replace parts.
  • Overhaul equipment components, including brakes, transmissions and hydraulic systems.
  • Oversaw inventory levels and maintained backstock.
  • Managed emergency call-outs and on-the-road work to return vehicles to service.
  • Tested, troubleshot and repaired vehicle electrical systems.
  • Troubleshot, diagnosed and repaired issues with fleet vehicles.
  • Repaired fleet of diesel and gasoline-powered industrial trucks, support vehicles and equipment.
  • Diagnosed and repaired diesel engines, focusing on efficiency and reducing downtime.
  • Troubleshot electrical systems in vehicles, identifying and fixing issues promptly.
  • Trained new mechanics in proper techniques for diesel engine repair.
  • Cleaned, rebuilt, and assembled new or original parts for vehicles.
  • Identified and corrected problems with brakes, steering, and other vehicle systems.
  • Inspected heavy-duty diesel vehicles to repair transmissions and braking systems.
  • Completed emergency service calls for stranded buses and trucks, alleviating safety issues.
  • Rewired ignition systems, lights, and instrument panels to fix electrical issues.
  • Removed, rebuilt and reinstalled diesel engines for buses, trucks, and other vehicles.

Heavy Diesel Mechanic

Transwest Truck Center
Fontana, CA
10.2018 - 08.2022
  • Overhauled engines for inspection of component failure
  • Removed and replaced transmissions (Ford Transmissions)
  • Removed dash boards from wire loom replacements
  • Replacing power steering pump, power steering gear boxes
  • Replaced leaf springs, shocks, brake pads, rotors
  • Basic Diagnosis from PTS Ford workshop manuals
  • Pin Point Test electrical issues with Ford workshop manual
  • Diagnose Check Engine Lights with Ford IDS/VCMM
  • Program keys (Fords)
  • Courtesy inspection, BIT Inspections
  • Perform Ford Recalls
  • PM's
  • Lubricate chassis
  • Replace batteries
  • Perform Recalls
  • Remove and Replaced (Allision Transmissions)
  • PM's
  • BIT inspections
  • Perform Recalls
  • Generator services
  • Ford
  • Company Overview: Ford

Automotive Technician

Hemborg Ford
Norco, CA
06.2016 - 10.2018
  • A/C Diagnosing, such as Compressor replacements, Accumulators, Evaporators, Heater cores
  • Wire Repairs, over lay repairs, repairing shorted/open circuits
  • Replace Brake pads, machine rotors to proper specs
  • Replaced Shocks, Springs, leaf springs, Drum brakes shoes
  • Repaired flat tires or change tires as well
  • Overhauled Gas engines and Diesel engines (Ford Only)
  • Rear Main Seals, oil pan gaskets, Front Cover reseals
  • Remove and replace Transmission both Gas and Diesel

Mechanic

Auto Spot
Corona, CA
06.2015 - 06.2016
  • Replaced Water pumps
  • Replaced Power steering pumps
  • Interior work, taking of seats, seat buckles, Clusters, Air Bags Replacement
  • Electrical Troubleshooting, repair broken/damage wires, soldering wires, over lay repairs

Mechanic

All American Asphalt
Corona, CA
08.2014 - 06.2015
  • Safety Inspections on every work truck that came in the shop
  • Oil Changes

Auto Mechanic Helper

Jhonny Lightning
Corona, CA
01.2012 - 06.2014
  • Cleaned around the shop
  • Customer Service
  • Oil Changes

Education

High School Diploma -

Ford MLR Program Graduate - undefined

No Degree - Automotive Technology

Riverside City College
Riverside, CA
12.2017

Skills

  • Bilingual
  • Attention to detail
  • Team collaboration
  • Hand and power tool operation
  • Inspection checklists
  • Drivability diagnostics
  • Fuel injection systems
  • Diesel engine repair
  • Fast-paced work
  • Multitasking
  • Brake system maintenance
  • Troubleshooting and Diagnostics
  • Transmissions
  • Effective communication
  • Task prioritization

Certification

  • Ford Motor Company Certifications and Training
  • Gasoline engine repair
  • Automatic Transmission
  • Diesel engine Performance
  • Steering and Suspension
  • Brakes
  • Manual Transmission and Drivetrain
  • Electronics Systems
  • Diesel Engine Repairs
  • Electrical Systems
  • Climate Control
  • Gasoline engine performance

Languages

Spanish
Native or Bilingual

Timeline

Truck Mechanic

County Of Riverside Transportation Dept
10.2025 - Current

Feet Mechanic

City Of Rancho Cucamonga
08.2022 - 10.2025

Heavy Diesel Mechanic

Transwest Truck Center
10.2018 - 08.2022

Automotive Technician

Hemborg Ford
06.2016 - 10.2018

Mechanic

Auto Spot
06.2015 - 06.2016

Mechanic

All American Asphalt
08.2014 - 06.2015

Auto Mechanic Helper

Jhonny Lightning
01.2012 - 06.2014

Ford MLR Program Graduate - undefined

No Degree - Automotive Technology

Riverside City College

High School Diploma -

Awards

Ford Senior Master Tech, Class A With Tanker And Passenger Endorsement.