21 May.
Gearboxes

Chevrolet Sonic : Gearbox Maintenance and Repair

The history of the Chevrolet Sonic merges with another model from the American manufacturer: the Chevrolet Aveo. Developed by the South Korean branch of General Motorsthis compact city car went on sale in 2002. Given its success, a second generation was announced at the prestigious Paris Motor Show in Paris in 2010. It is this new version that sees its commercial name evolve into the one we know today: the Chevrolet Sonic is born.

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Produced from 2011 to 2020, the car marketed under the Sonic name offers a basic 1.4 L Turbo petrol engine with four cylinders, or a 1.8 L version with power ratings ranging from 135 hp to 138 hp. The engine's power is transmitted by means of front-wheel drive the vehicle's front wheels are drivena classic operating mode for this car segment. The Chevrolet Sonic gearbox can be manual, with five or six gears, or automatic. The Hydra-Matic 6T40 developed by General Motors features six gears.

How to identify the signs of gearbox failure and what to do when it breaks down ? EDEN BOITES tells you all about it in this article!

Gearbox maintenance: the right reflexes to adopt

Changing the transmission oil

Whether it's fitted with an automatic or manual gearbox, changing the transmission oil remains an essential an essential operation to keep your Chevrolet Sonic running smoothly.

This oil, which is responsible for lubricating the entire system, accumulates impurities over time, impairing its efficiency. In the same way, damage can lead to leaks: in insufficient quantities, the oil can no longer perform its function.

For this reason, it's important to regularly inspect the ground beneath the vehicle for oil stains, and to change the oil regularly. In the case of a manual gearbox, plan a visit to the garage every 250,000 kilometers or every five years, whichever comes first. Automatic gearboxes require more frequent servicing every 60,000 kilometers, or every two years.

Daily habits for a serene driving experience

There are a few simple things you can do to preserve your manual gearbox over the long term :

  • Don't keep your hand on the gearshift, as this seemingly innocuous movement exerts pressure on the clutch fork, accelerating the deterioration of the sprockets that come into contact with it; 
  • In a similar way, favour systematically shift into neutral when making short stops, rather than remaining in the clutch disengagement position with first gear engaged: you'll relieve the clutch system and your foot at the same time!
  • Finally, as far as possible, anticipate the road ahead as much as possible to avoid unnecessary handling. downshift without missing a gear.

If you drive a Sonic with an automatic gearbox, day-to-day maintenance is simplified because your vehicle has no clutch pedal. However, make sure you never engage another gear (Park, Neutral or Reverse) when the car is not at a complete standstill: you could seriously damage the transmission system. seriously damage the transmission system.

Transmission system failure: the signs that don't deceive

Several unusual driving situations should alert you to the presence of a problem with your Chevrolet Sonic's gearbox. Note down as precisely as possible what they are when they occur (starting up, engaging reverse gear, neutral, etc.) to help your mechanic pinpoint the cause more identify the cause more easily.

These warning signals, which may occur singly or in combination, are as follows:

  • Appearance of noises: creaks, squeaks, squeaks;
  • Skating sensation;
  • Speed skips or refuses to engage;
  • Excessive vibration ;
  • Burnt smell ;
  • Oil leaks under the vehicle ;
  • General decline in performance.

Our solution for a trouble-free gearbox replacement

The complete replacement of a gearbox is not always necessary replacing a few wearing parts or changing the transmission oil can sometimes be enough. Unfortunately, in cases of advanced deterioration, you'll have no choice but to replace the entire gearbox.

Our solution has been specially designed to simplify your life! If you can't find the right part number in our online catalog, we'll take your existing gearbox apart, part by part, and thoroughly clean and overhaul it using a rigorous a rigorous process. You benefit from the highest quality: a gearbox that has regained its full performance, but at pre-owned prices ! For peace of mind, your box comes with a one-year warranty.

If you have any questions about our products, contact us ! Fast response guaranteed !

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