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Plan d’maintenance Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box
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Generations :Silverado 3500 HD I (facelift 2003) Crew CabSilverado 3500 HD II (GMT900) Crew Cab Long BoxSilverado 3500 HD II (GMT900) Extended Cab Long BoxSilverado 3500 HD II (GMT900) Regular Cab Long BoxSilverado 3500 HD II (GMT900, facelift 2011) Crew Cab Long BoxSilverado 3500 HD II (GMT900, facelift 2011) Crew Cab Standard BoxSilverado 3500 HD II (GMT900, facelift 2011) Extended Cab Long BoxSilverado 3500 HD II (GMT900, facelift 2011) Regular Cab Long BoxSilverado 3500 HD III (K2XX) Crew Cab Long BoxSilverado 3500 HD III (K2XX) Crew Cab Standard BoxSilverado 3500 HD III (K2XX) Double Cab Long BoxSilverado 3500 HD III (K2XX) Regular Cab Long BoxSilverado 3500 HD IV (T1XX) Crew Cab Long BedSilverado 3500 HD IV (T1XX) Crew Cab Standard BedSilverado 3500 HD IV (T1XX) Double Cab Long BedSilverado 3500 HD IV (T1XX) Regular Cab Long BedSilverado 3500 HD IV (T1XX, facelift 2024) Crew Cab Long BedSilverado 3500 HD IV (T1XX, facelift 2024) Crew Cab Standard BedSilverado 3500 HD IV (T1XX, facelift 2024) Double Cab Long BedSilverado 3500 HD IV (T1XX, facelift 2024) Regular Cab Long BedAll →
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📖Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box: the commercial contractor's premier tool

Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box (2015-2019)

Replacing the earlier Extended Cab with forward-hinged rear doors, the K2XX Silverado 3500 HD Double Cab Long Box was purpose-built for heavy-duty commercial operators and agricultural enterprises. Featuring a full eight-foot cargo bed and comfortable seating for a secondary crew, this heavy commercial truck strikes the perfect balance between cargo volume and workforce utility. Consistent and disciplined Chevrolet Silverado 3500 HD maintenance is essential to keep this tireless workhorse running efficiently under continuous heavy workloads.

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Owner notes

The reassuring points, known weak spots and deadlines you should not let slip.

Reassuring points

Reliability
  • Forward-hinged Double Cab doors improve body rigidity, structural refinement, and passenger ingress over previous generations.
  • The full eight-foot cargo bed delivers maximum payload volume for plant materials, tools, or fifth-wheel hitch systems.
  • Formidable Duramax L5P engine paired with the Allison transmission delivers peerless towing power and engine exhaust braking.
  • Rugged K2XX boxed chassis architecture provides outstanding durability under continuous heavy-duty commercial service.

Chronic weak spots

Keep an eye on
  • SCR emissions equipment: monitor DEF quality, inspect tank heater modules, and check NOx sensors for intermittent fault codes.
  • Duramax fuel filtration: ensure fuel filters are replaced regularly to safeguard the high-pressure common-rail injection system.
  • Dually rear axle: inspect full-floating hub oil seals, check inner tyre pressure monitoring, and examine brake pad wear across all wheels.
  • Allison transmission: monitor gearbox oil temperature, check fluid condition, and replace external spin-on filter regularly.
  • Front running gear: check upper and lower wishbone ball joints, steering linkages, and torsion-bar mounts for site-induced wear.

Critical deadlines

Do not miss
  • Renew Allison automatic transmission fluid and spin-on external filter every 40,000 km under arduous commercial towing duty.
  • Replace diesel fuel filters every 20,000 km using certified OEM filter cartridges to protect common-rail injectors.
  • Service heavy rear differential, front axle differential, and transfer case oils every 50,000 km with synthetic fluids.
  • Grease front suspension ball joints, steering pivot points, and prop-shaft universal joints at every scheduled engine oil change.

Fréquences d'maintenance recommandées

Service markers for petrol/diesel versions. Exact intervals vary by engine and model year.

Oil change

Every 15 000 km

Every 1 year

Service

Every 15 000 km

Every 1 year

Brake pads

Every 30 000 km

Every 2 years

Poids ou puissance élevés : usure des number platettes accélérée sur certaines versions

Timing belt / chain

Every 100 000 km

Every 5 years

Battery (12 V)

Every 50 000 km

Every 4 years

Powertrains and average consumption

Average consumption from manufacturer data for the versions available in this generation.

Petrol and diesel powertrains
▾

Petrol, diesel or LPG versions. The intervals shown cover the usual mechanical jobs.

Silverado 3500 HD III (K2XX) Double Cab Long Box

Estimated average budget

Mid-range cost

Servicing a Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box sits slightly above the market average (+24%).

Simple oil change~125 €
Full service~355 €
Front brake pads~170 €
Timing-belt kit~650 €
Tyres (set of 4)~495 €

* Indicative estimates for parts and labour.

Frequently asked questions about Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box

What are the common problems on the Silverado 3500 HD III (K2XX) Double Cab Long Box?▾
Silverado 3500 HD III (K2XX) Double Cab Long Box owners should especially watch: SCR emissions equipment: monitor DEF quality, inspect tank heater modules, and check NOx sensors for intermittent fault codes. Duramax fuel filtration: ensure fuel filters are replaced regularly to safeguard the high-pressure common-rail injection system. Garajo includes these watch points so you can act early.
When should you change the timing belt on a Silverado 3500 HD III (K2XX) Double Cab Long Box?▾
The timing belt is usually replaced every 100,000 km or 5 years on this type of engine.
Where can I find the service book for the Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box?▾
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box.
How much does it cost to service a Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box?▾
The service budget for a Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box sits slightly above the market average (+24%). Allow about 355 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box powertrain is best for town use?▾
This model is only available as petrol/diesel. Fuel mix: 4 petrol versions ; 7 diesel versions ; 1 LPG version. In town, petrol/LPG versions are usually the better match; diesel versions make more sense with regular long journeys.
Which Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box powertrain should you choose if you mostly drive on the motorway?▾
This model is only available as petrol/diesel. Fuel mix: 4 petrol versions ; 7 diesel versions ; 1 LPG version. For regular motorway use, diesel versions of this model are usually the best fit (range and refinement at a steady speed).

Compatible engine oil

Which engine oil for Chevrolet Silverado 3500 HD III (K2XX) Double Cab Long Box?

These links are limited to the engines of this generation when oil data is available.

Unsure between two viscosities?5W-30 vs 5W-400W-20 vs 5W-305W-30 vs 0W-30
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