Some maintenance actions such as changing the engine oil may seem obvious and very important, although others such as changing the gearbox oil from its Volkswagen Jetta may appear to be less automatic. However, make no mistake, changing the gearbox is just as important as changing the engine oil. This article content will describe the role of the gearbox oil, then, why it is important to change the gearbox of your Volkswagen Jetta, and at last, how to change the gearbox oil of a Volkswagen Jetta .

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Role of gearbox oil on a Volkswagen Jetta

So we begin our article content with the role of gearbox oil on a Volkswagen Jetta. The objective of this short introduction is to make you understand the interest of this fluid which assures the good performance of your car. The gearbox of your car has the mission to demultiply the power transferred by the engine and send it back to your wheels . It is done 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 work with the help of an axle and a differential. All these parts will need to be highly lubricate to objective correctly, limit friction and tolerate the high temperatures built 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 proper working of the gearbox.

Why replacing the gearbox oil from a Volkswagen Jetta?

Now we’ll discover what’s the point of draining the gearbox oil of your Volkswagen Jetta?

Benefit of gearbox oil changing Volkswagen Jetta

There are several concerns to change the gearbox of your car repeatedly, we will list them and detail them below:

  • Over time, the oil will lose its viscosity due to friction and temperature rise, which will bring about less lubrication of the gears and pinions and therefore risk to break some of them.
  • Same as viscosity, time and temperature rise will lower 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, regardless if you always have a quality oil, a gearbox is an element that wears out and produces iron filings with friction, the oil will pick them up and if it builds up too much these residues can get into gears and break them.

When to do the gearbox oil change on a Volkswagen Jetta?

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

Oil change for manual gearbox Volkswagen Jetta

  • Gears are jumping: you are most likely missing oil and you may have a gearbox oil leak, please discover our article on gearbox leaks on Volkswagen Jetta for more info.
  • The gearbox cracks when you change gears: The oil has undoubtedly lost viscosity and is too fluid, so the gears get stuck.
  • Difficulty to shift gears: Same problem as just before, the oil is undoubtedly too fluid.

Automatic gearbox oil change

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

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How to change gearbox oil of a Volkswagen Jetta?

At last, to finish this article, we will describe you how to empty the gearbox oil of your Volkswagen Jetta , it’s much easier than you might believe, here are the few steps to follow to do it correctly:

  • Heat your Volkswagen Jetta 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 most likely gather filings.
  • Let all the oil run out until it’s all gone.
  • Replace and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s suggested dose

To get more tips on the Volkswagen Jetta, take a look at the Volkswagen Jetta category.