Diesel Mechanic in Orange

  • Trusted Throughout Orange Since 1990
  • Accredited Inspection Station
  • Specialist in Heavy Vehicles
Oil Being Poured from A Container Into a Car Engine's Oil Fill Hole — Haigh Truck & 4WD Repairs In Orange, NSW

Nature's Symphony

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Power, Performance & Fewer Fuel Stops

Mechanic Holding an Engine Component in A Repair Shop — Haigh Truck & 4WD Repairs In Orange, NSW

When a diesel engine plays up, it’s more than just a minor inconvenience. Power loss, smoke, hard starts or rising fuel use can all mean something’s not right under the bonnet.


At Haigh Truck & 4WD Repairs, we bring over 30 years of hands-on diesel experience to every job. Based in Orange, we carry out proper inspections, fault testing and repairs to get your truck, 4WD or bus performing the way it should. Whether you’re dealing with worn injectors, fuel pump faults or turbo issues, we’ll get it sorted with no fuss. Our goal is to keep your engine reliable, efficient and ready for the next job.


Call (02) 6361 9221 to book your diesel vehicle in today.

What Our Diesel Mechanics Do

We provide thorough, professional diesel engine diagnostics and repairs to keep your business moving.

  • Fuel Injection System Repairs
    We diagnose and fix injector and pump issues to restore lost power. We work with both mechanical and common rail systems.
  • Turbocharger Servicing
    Turbo lag, smoke or poor performance? We test boost pressure and inspect for wear, oil leaks and damage.
  • EGR & Emissions Solutions
    We repair or replace faulty EGR valves, clean intake systems and help improve fuel economy and performance.
  • Diesel Engine Rebuilds & Tuning
    From top-end to full rebuilds, we restore engines to spec and fine-tune for performance and efficiency.

FAQ

How do I know if my injectors need replacing?

Is it bad to keep driving with diesel engine faults?

Can diesel tuning improve fuel economy?