Some routine service actions such as changing the engine oil might seem obvious and very important, while others such as changing the gearbox oil from its GMC Savana may appear to be less natural. Nevertheless, produce no mistake, changing the gearbox is just as necessary as changing the engine oil. This article content will explain the role of the gearbox oil, then, why it is vital to replace the gearbox of your GMC Savana, and at last, how to replace the gearbox oil of a GMC Savana .

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Purpose of gearbox oil on a GMC Savana

So we begin our article content with the role of gearbox oil on a GMC Savana. The objective of this short introduction is to produce you understand the benefit of this fluid which assures the good performing 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 function with the help of an axle and a differential. All these auto parts will need to be firmly lubricate to action correctly, limit friction and tolerate the high temperatures generated 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 functioning of the gearbox.

Why changing the gearbox oil from a GMC Savana?

Now we’ll find out what’s the point of draining the gearbox oil of your GMC Savana?

Benefit of gearbox oil changing GMC Savana

There are some concerns to replace the gearbox of your car regularly, we will list them and detail them below:

  • After a while, the oil will lose its viscosity caused by friction and temperature rise, which will result in 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 constantly have a quality oil, a gearbox is an element that wears out and generates iron filings with friction, the oil will pick them up and if it accumulates too much these residues can get into gears and break them.

When to do the gearbox oil replace on a GMC Savana?

Whether you want to do an automatic or manual gearbox oil change on GMC Savana or strong> the procedure is not the same, nevertheless, dealers do not give mileage suggestions to replace the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is wise to replace it, in any other case here are the reasons to produce you take into consideration doing this oil replace.

Oil replace for manual gearbox GMC Savana

  • Gears are jumping: you are likely missing oil and you may possibly have a gearbox oil leak, please find out our article on gearbox leaks on GMC Savana 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 obviously 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 GMC Savana?

Finally, to end this article, we will explain you how to empty the gearbox oil of your GMC Savana , it’s easier than you might think, here are the few guidelines to follow to do it correctly:

  • Heat your GMC Savana 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 collect 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 suggested dose

If you have any additional questions about the GMC Savana, do not hesitate to consult our GMC Savana category.