Learning to drive a vehicle is not all the time convenient, and often it may seem like a good solution to select an automatic Infiniti QX80, whether it’s for simple comfort or ease of use, this type of transmission is becoming more and more common. However, although they might seem like an ideal solution, there may also be problems with the automatic gearboxes of your Infiniti QX80 . This is precisely the subject of our content page. First, we’ll quickly show you the different types of automatic gearboxes, then, in a second step, which problems you may face with the gearbox of your Infiniti QX80 , and, at last, how to fix them.

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The different sort of automatic gearbox of a Infiniti QX80

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Gearboxes have the benefit of being known to be trustworthy, as you don’t need to use your clutch pedal and every thing is electronically and mechanically managed there will be no premature wear of your clutch or other components that could be put to the test by misuse on your part.
However, depending on the type of automatic transmission your Infiniti QX80 is equipped with you will have more or less reliability, we will introduce them to you now:

  • Classic automatic gearbox: It will use a torque converter, which will manage the gear changes, it’s the oldest technology, it has evolved quite a lot in the last decades (more gears and a better management of the gear changes).
  • Robotized automatic gearbox: This is a manual gearbox with a robotized mechanism that will change the driver’s action. This type of gearbox is less and less general because they are viewed as very slow. We also quite often feel a coupling during deceleration.
  • Dual-clutch automatic transmission: This is the greatest automatic transmission, it works on similar principle as the robotic transmission, but thanks to its dual clutch, you won’t have any more problems with slow speeds or increased fuel consumption. They are often fitted on luxury models.
  • Continuously variable automatic box: It is similar principle as on a scooter, a variator will come to control the differences between acceleration and motor speed, they are particularly slow and tend to be unresponsive during the acceleration phases of your Infiniti QX80.

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I’m having problems with the automatic transmission on my Infiniti QX80

We now start the part that surely attracts you the most in this article, what are the problems you may encounter with the automatic transmission of your Infiniti QX80? As explained above, generally speaking they are more reliable than manual transmissions, nevertheless, here are the main problems you may face:

  • As revealed earlier, no matter what type of automatic gearbox, they are quite often established to be slow and have inertia when accelerating. However, this phenomenon is designed to happen just when the vehicle is started, not when it is launched. If it feels like it comes about all the time, the clutch or converter is likely dead.
  • I have the impression that a gear in the automatic transmission of my Infiniti QX80 no longer shifts or jumps: If you have the impression that your gears no longer shift or tend to jump on your Infiniti QX80, there is a part that is most certainly to blame for this failure. Obviously, the solenoid that acts as a “switch” to engage the gears must not be working effectively, second option, a speed or engine speed sensor may be defective and send the wrong information to your gearbox.
  • If you feel drops caused by the automatic gearbox of your Infiniti QX80: If you feel a clutch when you go up or when you slow down, it is either your oil which is too old and which does not lubricate any more adequately all the mechanisms of your gearbox, or else a sensor which gives bad info
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  • My Infiniti QX80’s automatic transmission is leaking: Finally, if your Infiniti QX80’s automatic transmission is leaking, it’s most probably one of your spy seals is too worn.

How do I fix automatic transmission problems on a Infiniti QX80?

And finally, we’re going to try to give you the strategies to fix the automatic transmission problems on your Infiniti QX80 . Find them down below:

  • Oil leak on the automatic gearbox of a Infiniti QX80: Locate the source of the leak, and change the concerned gasket, get it achieved by a specialist, opening a gearbox is not easy. It will cost you a few hundred euros, especially for the labour. Do not hesitate to read our content page on gearbox oil leaks on Infiniti QX80.
  • Sensor problem: No matter which sensor is involved, a replacement is the just solution, sensors do not repair themselves, you should count from 100 to a few hundred euros depending on the difficulty of access to the one that concerns you.
  • Couplings: If you have problems with the couplings on your Infiniti QX80, you will only need to do a whole gearbox replace to gain comfort and preserve your gears.
  • The automatic gearbox of my Infiniti QX80 slips: In this case, you certainly have a dead clutch disc, you will have to replace the clutch, and on some models you won’t be able to replace it without doing a standard exchange of the gearbox, be prepared to spend more than a thousand euros.

There are other automatic transmission problems on Infiniti QX80, such as electronic problems or pressure problems, but this list lists the main ones, in any case, for such difficult mechanisms. As soon as you feel a problem on this level, we advise you to go fairly quickly to your mechanic.

In the event that you have any further questions about the Infiniti QX80, do not hesitate to consult our Infiniti QX80 category.