GMC Repair & Service in Orange, CA

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GMC Repair and Maintenance at Joseph Harrington Automotive

When it comes to tough, dependable vehicles, GMC sets the standard. From the rugged Sierra to the versatile Yukon and the compact Terrain, GMC vehicles are built to perform. At Joseph Harrington Automotive, we offer expert GMC repair in Orange, CA, combining dealership-quality service with small-town honesty and personalized care.

Our expert technicians have years of experience working on GMC trucks, SUVs, and vans. Whether you need scheduled maintenance or complex diagnostics, we use the right tools and parts to get the job done quickly and correctly.


Why Choose Joseph Harrington Automotive for GMC Repair?

  • GMC-Specific Expertise: We understand GMC drivetrains, towing systems, and diagnostics inside and out.
  • Advanced Technology: Our shop uses OEM-level diagnostics and software to identify problems fast.
  • High-Quality Parts: We use only original or OE-grade parts to maintain factory performance.
  • Honest Service: No unnecessary upsells—just straightforward repairs done right the first time.
  • Warranty Coverage: Most repairs include warranty protection for added peace of mind.

GMC Repair Services We Offer

  • Engine diagnostics, repair, and rebuilds
  • Transmission flushes, repairs, and replacements
  • Brake system repairs and ABS diagnostics
  • Oil changes and scheduled maintenance
  • Suspension and steering system repairs
  • Electrical troubleshooting and module resets
  • Battery and charging system diagnostics
  • Radiator and cooling system repairs
  • AC and heater diagnostics
  • Emission system repairs and inspections

We Service All GMC Models

  • GMC Sierra 1500, 2500HD, 3500HD
  • GMC Yukon, Yukon XL
  • GMC Terrain, Acadia
  • GMC Canyon
  • GMC Savana vans
  • All GMC Denali trim levels

Common GMC Issues We Repair

  • Transmission hesitation or hard shifting
  • Oil leaks in V8 and EcoTec engines
  • Fuel pump and injector problems
  • ABS warning light and sensor failures
  • Excessive engine vibration or misfires
  • Cooling system leaks and overheating

We thoroughly inspect your GMC, provide a clear diagnosis, and offer repair options that fit your budget and timeline.


Preventative Maintenance for Your GMC

Maintaining your GMC on schedule is essential to maximize performance, safety, and fuel economy. At Joseph Harrington Automotive, we follow factory-recommended service plans including:

  • Fluid flushes (transmission, coolant, brake)
  • Oil and filter changes with proper-grade oil
  • Spark plug and coil replacements
  • Timing chain inspections
  • Tire rotation and alignment checks

Your Local GMC Dealership Alternative

Why wait weeks for an appointment or overpay at the dealer? Joseph Harrington Automotive offers the same expert repairs with faster service, fair pricing, and a personal touch. We’re proud to be Orange, CA’s trusted shop for all things GMC.


Schedule Your GMC Repair in Orange, CA

Ready to get your GMC back on the road? Call Joseph Harrington Automotive at 714-771-2487 or visit our contact page to schedule service today. We’ll keep your truck or SUV running like new!

Our Services

Auto Electric Repairs in Orange, CA


    • Battery Service
    • Alternator Service
    • Starter Service
    • Ignition Repair
    • Check Engine Diagnostics
    • Wiring Repair
    • Fuse & Relay Service
    • Warning Light Repair
    • Power Window/Lock Repair
    • Lighting Repair
    • Interior Lighting
    • Power Seat/Mirror Repair
    • Blower Motor Repair
    • Instrument Cluster Repair
    • Sensor Replacement
    • ECU/PCM Service
    • Remote Start/Alarm Repair
    • Charging System Service
    • Trailer Wiring
    • Electric Fan Repair

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