Some maintenance actions such as changing the engine oil may seem obvious and important, while others such as changing the gearbox oil from its Chevrolet Express may appear to be less natural. Nevertheless, make no mistake, changing the gearbox is just as important as changing the engine oil. This article will show you the role of the gearbox oil, then, why it is vital to replace the gearbox of your Chevrolet Express, and at last, how to replace the gearbox oil of a Chevrolet Express .

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Role of gearbox oil on a Chevrolet Express

So we begin our article with the role of gearbox oil on a Chevrolet Express. The objective of this short introduction is to make you understand the interest of this fluid which assures the good performance of your motor vehicle. The gearbox of your car has the objective to demultiply the power transferred by the engine and send it back to your wheels . It is made up of pinions and gears that will allow the wheels to rotate at different speeds depending on the curves and the gear engaged. It will operate with the help of an axle and a differential. All these auto parts will need to be highly lubricate to objective correctly, limit friction and tolerate the high temperatures produced by the engine and friction. Your transmission oil has a high viscosity and will prevent the formation of filings or gear breakage, so it is necessary to the correct performing of the gearbox.

Why changing the gearbox oil from a Chevrolet Express?

Now we’ll discover what’s the point of draining the gearbox oil of your Chevrolet Express?

Interest of gearbox oil changing Chevrolet Express

There are several concerns to replace the gearbox of your motor vehicle frequently, we will list them and detail them below:

  • After a while, the oil will lose its viscosity because of friction and temperature rise, which will lead to less lubrication of the gears and pinions and therefore risk to break some of them.
  • Same as viscosity, time and temperature rise will reduce the oil resistance to the engine temperature, So it will fluidize much more easily when the engine heats up, which is not good for your gearbox.
  • Accumulation of metallic residues: Finally, even if you always have a quality oil, a gearbox is an component that wears out and creates iron filings with friction, the oil will pick them up and if it gathers up too much these residues can get into gears and break them.

When to do the gearbox oil replace on a Chevrolet Express?

If you want to do an automatic or manual gearbox oil change on Chevrolet Express or strong> the process is not the same, however, dealers do not give mileage suggestions to replace the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is beneficial to replace it, otherwise here are the causes to make you think about doing this oil replace.

Oil replace for manual gearbox Chevrolet Express

  • Gears are jumping: you are likely missing oil and you may possibly have a gearbox oil leak, please discover our content on gearbox leaks on Chevrolet Express for more information.
  • The gearbox cracks when you switch gears: The oil has absolutely lost viscosity and is too fluid, so the gears get stuck.
  • Difficulty to shift gears: Same issue as just before, the oil is undoubtedly too fluid.

Automatic gearbox oil replace

  • A slow begin from the neutral position to the first one: quite often a viscosity issue.
  • Difficulty or even impossibility to shift gears: Lack of oil

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How to replace gearbox oil of a Chevrolet Express?

Finally, to end this content, we will show you you how to empty the gearbox oil of your Chevrolet Express , it’s less difficult than you might believe, here are the few guidelines to follow to do it correctly:

  • Heat your Chevrolet Express for about 10 minutes to get a fluid oil, place it flat on 4 stands.
  • Install a drain pan under the drain plug, open it, and clean it well because it will likely gather filings.
  • Let all the oil run out until it’s all gone.
  • Change and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s recommended dose

If you need more guides on the Chevrolet Express, go to our Chevrolet Express category.