Plan d’maintenance Chevrolet Colorado II Extended Cab Long Box
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📖Chevrolet Colorado II Extended Cab Long Box: dedicated commercial workhorse

Chevrolet Colorado II Extended Cab Long Box (2015-2020)

The Extended Cab Long Box variant of the Colorado II prioritises outright cargo length and commercial payload over passenger luxury. Featuring rear-hinged half-doors and modest fold-down jump seats, it caters to contractors, tradesmen, and fleet operators who treat their vehicle primarily as a mobile tool chest. Following disciplined Chevrolet Colorado maintenance guarantees that this rugged work platform continues to operate profitably without unpredicted downtime.

Fleet specifications predominantly utilize the fuel-efficient 2.5-litre petrol engine or the robust 2.8-litre Duramax turbodiesel, both engineered for sustained daily graft. The long cargo bed places significant mechanical stress on the rear axle, leaf springs, and chassis mounting pucks when run near gross vehicle weight. The Duramax diesel requires regular fuel filter renewals and clean oil to preserve its turbocharger bearings and prevent injector tip fouling.

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Owner notes

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

Reassuring points

Reliability
  • The Extended Cab Long Box format provides exceptional cargo bed volume and payload efficiency at a sensible purchase price.
  • The 2.5 petrol offers mechanical simplicity, while the 2.8 Duramax provides the heavy pulling torque demanded by working fleets.
  • With a rust-free chassis frame, sound cab latches, and undamaged suspension, it serves as a highly dependable commercial vehicle.

Chronic weak spots

Keep an eye on
  • Extended cab half-doors: test the upper and lower latching mechanisms, check hinge pins for play, and inspect door seal integrity.
  • 2.5 petrol LCV: inspect high-pressure direct-injection pump, auxiliary drive belt tensioner, and check for inlet manifold carbon deposits.
  • 2.8 Duramax LWN: check the EGR cooler for internal weeping, inspect DPF differential pressure, and check glow plug resistance.
  • Long cargo bed: inspect bed floor seams, tie-down brackets, and tailgate hinge cables for heavy stress or deformation.
  • Four-wheel-drive running gear: check propshaft centre support bearings, universal joints, and front axle drive boots for splits.

Critical deadlines

Do not miss
  • Cab half-door latches, hinge assemblies, and weather seals must be lubricated or rebuilt promptly before rattles lead to water ingress.
  • The 2.5 petrol or 2.8 Duramax fuel systems, injection components, and emission filters require prompt attention if starting becomes hesitant.
  • Rear leaf spring packs, shackle bushings, and bed mounts must be renewed without delay if regular hauling causes rear suspension sagging.

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 to 40 000 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.

Estimated average budget

Mid-range cost

Servicing a Chevrolet Colorado II Extended Cab Long Box sits slightly above the market average (+18%).

Simple oil change~115
Full service~330
Front brake pads~165
Timing-belt kit~650
Tyres (set of 4)~450

* Indicative estimates for parts and labour.

Frequently asked questions about Chevrolet Colorado II Extended Cab Long Box

What are the common problems on the Colorado II Extended Cab Long Box?
Colorado II Extended Cab Long Box owners should especially watch: Extended cab half-doors: test the upper and lower latching mechanisms, check hinge pins for play, and inspect door seal integrity. 2.5 petrol LCV: inspect high-pressure direct-injection pump, auxiliary drive belt tensioner, and check for inlet manifold carbon deposits. Garajo includes these watch points so you can act early.
When should you change the timing belt on a Colorado II Extended 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 Colorado II Extended Cab Long Box?
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your Chevrolet Colorado II Extended Cab Long Box.
How much does it cost to service a Chevrolet Colorado II Extended Cab Long Box?
The service budget for a Chevrolet Colorado II Extended Cab Long Box sits slightly above the market average (+18%). 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 Extended Cab Long Box powertrain is best for town use?
This model is only available as petrol/diesel. Fuel mix: 7 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 Extended Cab Long Box powertrain should you choose if you mostly drive on the motorway?
This model is only available as petrol/diesel. Fuel mix: 7 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 Extended 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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