Some maintenance actions such as changing the engine unit oil may seem obvious and fundamental, although others such as changing the gearbox oil from its Nissan Pathfinder may appear to be less natural. Nevertheless, make no mistake, changing the gearbox is just as essential as changing the engine unit oil. This content will show you the role of the gearbox oil, then, why it is important to change the gearbox of your Nissan Pathfinder, and finally, how to change the gearbox oil of a Nissan Pathfinder .

change-gearbox-oilnissan-pathfinder

Purpose of gearbox oil on a Nissan Pathfinder

So we start our content with the role of gearbox oil on a Nissan Pathfinder. The objective of this short introduction is to make you understand the benefit of this fluid which assures the good functioning of your car. The gearbox of your car has the mission to demultiply the power transferred by the engine unit 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 function 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 produced by the engine unit and friction. Your transmission oil has a high viscosity and will prevent the formation of filings or gear breakage, so it is essential to the correct functioning of the gearbox.

Why changing the gearbox oil from a Nissan Pathfinder?

Now we’ll see what’s the point of draining the gearbox oil of your Nissan Pathfinder?

Interest of gearbox oil changing Nissan Pathfinder

There are some interests to change the gearbox of your car frequently, we will list them and outline them below:

  • After a while, the oil will lose its viscosity due to 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 unit 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 component that wears out and produces 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 change on a Nissan Pathfinder?

Whether you want to do an automatic or manual gearbox oil change on Nissan Pathfinder or strong> the process is not the same, however, dealers do not give mileage recommendations to change the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is advisable to change it, otherwise here are the factors to make you take into consideration doing this oil change.

Oil change for manual gearbox Nissan Pathfinder

  • Gears are jumping: you are almost certainly missing oil and you might have a gearbox oil leak, please see our content page on gearbox leaks on Nissan Pathfinder for more information.
  • The gearbox cracks when you switch gears: The oil has undoubtedly 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 change

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

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How to change gearbox oil of a Nissan Pathfinder?

At last, to finish this content page, we will show you you how to empty the gearbox oil of your Nissan Pathfinder , it’s less difficult than you might believe, here are the few actions to follow to do it correctly:

  • Heat your Nissan Pathfinder 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 almost certainly collect 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

If you need more guides on the Nissan Pathfinder, go to our Nissan Pathfinder category.