Vehicle
Chevrolet Trax
The small crossover, and the same vehicle as the first Opel/Vauxhall Mokka and the Buick Encore — three badges on one Gamma II car, so all three carry parts of its diagnosis. The 1.4 turbo Ecotec is the volume engine, and its PCV diaphragm integrated into the cam cover is the fault worth knowing by name: when it splits it produces a large unmetered vacuum leak, a rough idle and lean codes, and the only remedy is the whole cover. The 2023 car is an entirely different vehicle on GM's VSS-F.
.jpg){kind=link}
Generations
-
First generation 2012–2022
Shared with the Mokka and Encore; the 1.4 turbo's integrated PCV diaphragm splitting is its defining lean-code fault.
- Body styles
- SUV
- Platform
- GM Gamma II
- Engines
-
- 1.4 turbo Ecotec — A14NET · petrol · 103 kW (138 hp) · 200 Nm (148 lb-ft)
- 1.6 Ecotec — A16XER · petrol · 85 kW (114 hp) · 155 Nm (114 lb-ft)
- 1.8 Ecotec — A18XER · petrol · 103 kW (138 hp) · 178 Nm (131 lb-ft)
- 1.7 CDTi — diesel · 96 kW (129 hp)
- 1.6 — diesel
- Transmissions
- 5-speed manual · 6-speed manual · 6-speed automatic
- Drivetrain
- Front-wheel drive · Four-wheel drive
-
Second generation 2023–present
GM VSS-F and front-wheel drive only — a different vehicle that inherits the name and nothing else.
- Body styles
- SUV
- Platform
- GM VSS-F
- Engines
-
- 1.2 turbo three-cylinder — petrol · 102 kW (137 hp)
- 1.5 turbo — petrol · China
- Transmissions
- 6-speed automatic
- Drivetrain
- Front-wheel drive
Service information
Information, not instruction
CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.
Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
Posted about the Chevrolet Trax
Be the first to write this up
Nothing posted about this yet. Whatever you found is worth writing down — even a dead end saves someone the same afternoon.
What makes one worth reading:
- The car — make, model, year and engine. The same fault behaves differently on each.
- What you measured, not only what you replaced.
- What actually fixed it — or that nothing did, which is worth knowing too.
Sign in or create an account to add what you found about Chevrolet Trax.