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Chevrolet service: find a Silverado or Corvette mechanic

What's due, who converted your truck, and the Chevy Sonic question.

A Chevrolet service here usually means a Silverado, a Corvette or a converted Camaro, and CarsGuide puts current Chevrolets on 12 months or 12,000 km. GMSV (General Motors Specialty Vehicles) took over from Holden as the local importer, and a mechanic who knows big American V8s can look after most of what's due.

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What does your Chevrolet need?

What does your Chevrolet need?

On the road? Get everyone somewhere safe, away from traffic. Anyone hurt or in danger: call 000.

Only one local mechanic gets your number.

GMSV (General Motors Specialty Vehicles) took over from Holden as the local importer, and a mechanic who knows big American V8s can look after most of what's due.

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Updated 3 November 2026 · Written by the Mechanic Sorted team · How we check our facts

Which Chevrolet do you have?

Silverado 1500. It launched here for the 2020 model year with a 6.2-litre V8 as the only engine.

Silverado 2500 or 3500. Wikipedia lists the 2500HD and 3500HD with the 6.6-litre Duramax diesel. That's a different mechanic, so see diesel servicing.

Corvette. GMSV's mid-engined car comes in factory right-hand drive. CarExpert lists 6.2-litre and 5.5-litre engines, and a hybrid in the all-wheel-drive E-Ray.

Camaro. Holden Special Vehicles converted these from the second half of 2018 until imports stopped in early 2020, 375 of them ZL1s. They kept the Chevrolet badge.

Converted trucks: tell the mechanic who did yours

Silverados begin as left-hand-drive trucks. Wikipedia lists right-hand-drive remanufacturing in Melbourne for trucks sold through Holden Special Vehicles and then GMSV.

Before 2018, several independent importers converted Silverados, so details can differ truck to truck. If you know who did yours, put it in the note. A mechanic who's seen that conversion will know where to look, and it may decide which parts fit.

Servicing a Silverado or Corvette

CarsGuide said in April 2023 that intervals run on 12-month or 12,000 km cycles for every current Chevrolet, and CarExpert still lists 12 months on the Silverado and Corvette. Your owner's manual has the final say.

If yours tows a van or a boat, or carries a heavy load, say so. Oil, brakes, tyres and the transmission work harder, so the mechanic should look closer.

CarExpert also reported GMSV's three-year servicing offer on Silverado 1500s delivered by 30 June 2026. Those services had to be used within 36 months or 36,000 km, at an authorised GMSV dealer or service outlet, and the offer left out the Silverado HD. If you're on it, use it.

Your Chevrolet warranty

CarExpert says the Silverado 1500 has carried a five-year, unlimited-kilometre warranty since 1 October 2025. An older truck may have different terms, so read your own papers. The Corvette is listed at three years, limited to 100,000 km.

Done by a qualified independent mechanic to the maker's schedule and specifications, Chevrolet servicing doesn't by itself void your new car warranty. Check your paperwork for anything tied to the right-hand-drive conversion, and ask GMSV in writing if it's unclear.

Chevy Sonic owners: read this

The Sonic was never a badge on Australian showroom floors. Our version was the Holden Barina, sold until early 2019 with a 1.6-litre engine and sourced from South Korea. So if you've got a check engine light on a Chevy Sonic, treat it as you would on a Barina of the same era.

A steady orange light means the computer has logged a fault, and a mechanic reads the code to find out why. A flashing light or a rough-running engine is more urgent: ease off, then pull over somewhere safe. There's more on why the engine light comes on.

What you can check on your Chevy

You can

  • Check the oil and tyre pressures with the truck cold and on flat ground.
  • Look in the glovebox or service papers for who converted it.
  • Note whether a warning light is steady or flashing, and take a photo.

Leave to the mechanic

  • The scheduled service and the service record.
  • Duramax diesel fuel system work.
  • Anything on the E-Ray's hybrid system.

If it were our Chevy

We'd check the delivery date first, because the warranty and the servicing offer both turn on it. Then we'd find a mechanic who already works on big American V8s, or the Duramax if that's what we had, and tell them who did the conversion. A written estimate with the oil and parts named is the last step. Tell us the truck or car and the job. A local mechanic who specialises in your car.

Questions people ask

How often does a Silverado need a service?

CarsGuide says 12 months or 12,000 km for every current Chevrolet, reported in 2023. CarExpert still lists 12 months. Follow your owner's manual, and tell the mechanic if you tow.

Does a Chevrolet have to go to a dealer for service?

Not by law. An independent repairer can service a car without affecting the consumer guarantees. GMSV's own servicing offer did need an authorised GMSV dealer or service outlet, so use those visits there.

Why is the check engine light on in my Chevy Sonic?

It's the same light as on a Holden Barina: the computer has stored a fault. A mechanic reads the code. If it flashes or the engine runs rough, ease off and pull over somewhere safe.

Can a normal mechanic work on a converted truck?

Usually, for routine servicing. For steering, dash or wiring faults, choose one who's seen that conversion, and tell them who did it.

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Where this information comes from

Rules change, so check with your state's transport department or consumer agency if something matters to your car. How we write and check these pages.