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Plan d’maintenance Chevrolet Colorado II (facelift 2021) Crew Cab Short Box
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📖Chevrolet Colorado II facelift Crew Cab Short Box: the peak second-generation all-rounder

Chevrolet Colorado II (facelift 2021) Crew Cab Short Box (2021-2022)

The 2021 facelift brought sharp, modern styling and improved equipment packages to the Colorado Crew Cab Short Box, cementing its status as the most popular configuration of the second generation. Designed to handle weekday commuting, family road trips, and adventurous weekend escapes with equal ease, it represents GM's mid-size platform at its most cohesive. Methodical Chevrolet Colorado maintenance is vital to preserve the longevity of its chassis, electronic safety systems, and driveline.

Buyers could choose between the base 2.5 petrol, the smooth 3.6 V6, and the torquey 2.8-litre Duramax diesel. The petrol V6 drives through an 8-speed automatic gearbox that benefits from GM's upgraded synthetic ATF, delivering much crisper gear changes than earlier iterations. Nevertheless, vehicles fitted with optional Z71 or ZR2 off-road packages require vigilant chassis maintenance, especially regarding Multimatic DSSV dampers, front axle disconnects, and transfer case fluids.

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Owner notes

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

Reassuring points

Reliability
  • The facelifted Short Box offers the best balance of contemporary styling, five-seater family comfort, and manageable exterior proportions.
  • The engine line-up caters perfectly to different needs, offering economical petrol simplicity, smooth V6 punch, or diesel pulling power.
  • With an unbent chassis, clean underside, and documented transmission servicing, it proves exceptionally dependable for everyday use.

Chronic weak spots

Keep an eye on
  • 3.6 V6 LGZ and automatic gearbox: verify smooth cold shift engagement, no converter shudder, and check coolant expansion tank level.
  • 2.8 Duramax LWN: inspect EGR valve, intercooler intake pipes, and monitor diesel exhaust fluid heater diagnostics.
  • 2.5 petrol LCV: check direct-injection fuel pump noise, auxiliary drive belt, and test for smooth cold idle.
  • Front running gear: inspect suspension wishbone bushes, ball joints, and anti-roll bar drop links for play caused by off-road use.
  • Cabin electronics: test the central infotainment screen, smartphone integration, parking sensors, and reversing camera for intermittent faults.

Critical deadlines

Do not miss
  • The 2.8 Duramax emission components and DEF injection circuit must be inspected immediately if engine fault codes arise.
  • The automatic transmission fluid and transfer case lubricant require prompt renewal if heavy towing or off-road excursions are frequent.
  • Front suspension joints, wheel alignment, and Multimatic DSSV dampers (on ZR2 models) must be checked and refreshed at the first hint of play.

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.

Colorado II (facelift 2021) Crew Cab Short Box

Estimated average budget

Mid-range cost

Servicing a Chevrolet Colorado II (facelift 2021) Crew Cab Short Box sits slightly above the market average (+21%).

Simple oil change~110 €
Full service~330 €
Front brake pads~170 €
Timing-belt kit~650 €
Tyres (set of 4)~495 €

* Indicative estimates for parts and labour.

Frequently asked questions about Chevrolet Colorado II (facelift 2021) Crew Cab Short Box

What are the common problems on the Colorado II (facelift 2021) Crew Cab Short Box?▾
Colorado II (facelift 2021) Crew Cab Short Box owners should especially watch: 3.6 V6 LGZ and automatic gearbox: verify smooth cold shift engagement, no converter shudder, and check coolant expansion tank level. 2.8 Duramax LWN: inspect EGR valve, intercooler intake pipes, and monitor diesel exhaust fluid heater diagnostics. Garajo includes these watch points so you can act early.
When should you change the timing belt on a Colorado II (facelift 2021) Crew Cab Short 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 Colorado II (facelift 2021) Crew Cab Short Box?▾
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your Chevrolet Colorado II (facelift 2021) Crew Cab Short Box.
How much does it cost to service a Chevrolet Colorado II (facelift 2021) Crew Cab Short Box?▾
The service budget for a Chevrolet Colorado II (facelift 2021) Crew Cab Short Box sits slightly above the market average (+21%). Allow about 330 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which Chevrolet Colorado II (facelift 2021) Crew Cab Short Box powertrain is best for town use?▾
This model is only available as petrol/diesel. Fuel mix: 3 petrol versions ; 2 diesel versions. In town, petrol/LPG versions are usually the better match; diesel versions make more sense with regular long journeys.
Which Chevrolet Colorado II (facelift 2021) Crew Cab Short Box powertrain should you choose if you mostly drive on the motorway?▾
This model is only available as petrol/diesel. Fuel mix: 3 petrol versions ; 2 diesel versions. 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 Colorado II (facelift 2021) Crew Cab Short 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
← All Colorado generationsAll Chevrolet models

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