GMC Heavy Line Technician - Engine & Transmission Expert

HARDIN AUTOMOTIVE GROUP; Anaheim (CA); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Sign-On Bonus up to $3,000

Health insurance

401(k) plan

Paid time off

GM factory training

Modern shop

Job summary

HARDIN AUTOMOTIVE GROUP in Anaheim is seeking an experienced GMC Heavy Line Technician. You’ll diagnose and perform major engine, transmission, and drivetrain repairs, focusing on GM gasoline and Duramax diesel platforms.

You will use GM factory tools and diagnostics daily, delivering high-quality workmanship in a busy shop. The role requires 3+ years in heavy-line repair, GM dealership exposure, and active ASE or GM training credentials.

Qualifications

• 3+ years of heavy-line engine/transmission repair experience.
• GM dealership experience preferred.
• Active ASE certs (A1, A2, A9) or GM factory training.
• Own a full set of professional tools and a roll-cart.
• Ability to use GM repair manuals, wiring diagrams, and shop software.
• Valid driver’s license with clean record.

Responsibilities

• Major mechanical repair: engines, transmissions, drivetrains for GM vehicles.
• Diagnose issues using GM tools and electrical troubleshooting.
• Prepare accurate warranty and customer-pay repair documentation.
• Maintain clean, safe workspace and comply with OSHA rules.

Skills

Heavy line experience

GM dealership experience

ASE A1/A2/A9

GM Duramax knowledge

Digital repair manuals

Valid driver’s license

Tools

GDS2

Tech2

Oscilloscope

Job description

HARDIN AUTOMOTIVE GROUP in Anaheim is seeking an experienced GMC Heavy Line Technician. You’ll diagnose and perform major engine, transmission, and drivetrain repairs, focusing on GM gasoline and Duramax diesel platforms.

You will use GM factory tools and diagnostics daily, delivering high-quality workmanship in a busy shop. The role requires 3+ years in heavy-line repair, GM dealership exposure, and active ASE or GM training credentials.