Skip to content
Premium reconditioned parts for all automotive mechanics

Type to search for products

Search by make, model, or reference...

Your basket is empty

Continue shopping

Chevrolet Trailblazer: Gearbox Maintenance and Repair

Find the right reference for your vehicle

A technician identifies the exact reference for your vehicle.

F
06
Check compatibility

Vehicle identified

—
Fuel
—
Engine size
—
Power
—
First reg.
—
Ready to find your part

or browse by part, make and model

Part type
Make
Boîte de vitesses de la Chevrolet Trailblazer
Boîte de vitesses de la Chevrolet Trailblazer Boîte de vitesses de la Chevrolet Trailblazer

The gearbox of the Chevrolet Trailblazer deserves close attention on this SUV, whose modern first generation was unveiled at the Shanghai Motor Show in 2019. Positioned between the Trax, the Blazer and the Equinox, the Trailblazer combines timeless styling with a pleasant drive. Versatile and robust, it nonetheless relies on a transmission that demands regular maintenance and careful monitoring. EDEN BOITES, specialist in reconditioned gearboxes, shares its repair advice.

The Chevrolet Trailblazer in Brief

A spacious and manoeuvrable subcompact SUV, the Trailblazer is available in several trim levels (LS, LT, ACTIV with an off-road focus, and the sporty RS), with all-wheel drive available as an option or standard depending on the version. On the engine front, there is a 1.2-litre unit producing 137 hp paired with a continuously variable transmission in front-wheel-drive form, a 1.3-litre turbocharged ECOTEC producing 155 hp coupled to an electronically controlled nine-speed automatic, and a 2.8-litre Duramax Turbo Diesel producing 200 hp with a six-speed sequential automatic gearbox. The Trailblazer is not available with a manual gearbox.

How to Repair the Trailblazer Gearbox

Only an experienced mechanic can accurately identify the nature of a problem before carrying out any work. Here are some common repairs:

  • Oil leaks: resolved by replacing the seals.
  • Noises or vibrations: often fixed by replacing the bearings.
  • Rough or hesitant gear changes: check the oil level and filter, the neutral sensor, and replace the synchromesh rings if necessary.
  • Sluggishness or loss of performance: check the selector, the speed sensor, the oil pressure sensor and the gearbox actuator.

Chevrolet Trailblazer Gearbox Maintenance

Smooth driving and regular oil changes using a quality lubricant extend the life of the transmission. The lubricant reduces friction, cools the mechanism and preserves the integrity of the seals. If the damage is too severe, replacement with a reconditioned or new gearbox becomes the most sensible solution. For further reading, see our guide on how a gearbox works.

Where to Buy a Gearbox for Your Trailblazer

Before any repair or replacement, a thorough diagnostic by a professional is strongly recommended. For an economical and environmentally friendly solution, EDEN BOITES offers reconditioned gearboxes whose compatibility with your model is verified. Should the unit you need be unavailable, we can repair or recondition your old gearbox. Browse our gearbox catalogue.

Do you own another model from the brand? Read our guides on the Chevrolet Traverse gearbox and the Chevrolet Tahoe gearbox.

Frequently Asked Questions

Is the Trailblazer available with a manual gearbox?

No, it is offered exclusively with automatic or continuously variable transmissions depending on the engine.

How can I extend the life of the gearbox?

Drive smoothly and keep to the recommended oil change intervals using a lubricant that meets the vehicle's specifications.

Do your gearboxes come with a warranty?

Yes, with a warranty of up to 24 months. The exchange is offered on a satisfaction-or-refund basis in accordance with our Terms and Conditions.

Can I pay in instalments?

Yes, you can pay in up to 10 instalments.

Why Choose EDEN BOITES?

EDEN BOITES supports you with reliable, compatible reconditioned gearboxes warranted for up to 24 months. We deliver throughout France and the European Union, with lead times confirmed on quote, and payment available in up to 10 instalments. Submit your request via our gearbox catalogue.

Back to blog