Learning to drive a car is not all the time unproblematic, and often it may seem like a good solution to choose an automatic GMC Yukon XL, whether it’s for basic convenience or ease of use, this kind of transmission is becoming more and more prevailing. Nevertheless, while they might seem like the best choice, there may possibly also be complications with the automatic gearboxes of your GMC Yukon XL . This is precisely the subject of our content. First, we’ll quickly show you the different types of automatic gearboxes, then, in a second step, which complications you may possibly face with the gearbox of your GMC Yukon XL , and, finally, how to fix them.

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The different kind of automatic gearbox of a GMC Yukon XL

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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 handled there will be no early wear of your clutch or other parts that could be put to the test by misuse on your part.
Nevertheless, depending on the kind of automatic transmission your GMC Yukon XL is equipped with you will have more or less reliability, we will expose them to you now:

  • Classic automatic gearbox: It will use a torque converter, which will control the gear changes, it’s the oldest technology, it has evolved 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 kind of gearbox is less and less common because they are thought to be very slow. We also generally feel a coupling during deceleration.
  • Dual-clutch automatic transmission: This is the greatest automatic transmission, it functions on the same concept as the robotic transmission, but thanks to its dual clutch, you won’t have any more complications with slow speeds or elevated fuel consumption. They are often equipped on luxury models.
  • Continuously variable automatic box: It is the same theory as on a scooter, a variator will come to control the differences between acceleration and motor speed, they are especially slow and often be unresponsive during the acceleration phases of your GMC Yukon XL.

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I’m having complications with the automatic transmission on my GMC Yukon XL

We now start the part that definitely attracts you the most in this post, what are the complications you may come across with the automatic transmission of your GMC Yukon XL? As outlined above, generally they are more reliable than manual transmissions, nevertheless, here are the most important complications you may face:

  • As described over, no matter what kind of automatic gearbox, they are generally established to be slow and have inertia when accelerating. Nevertheless, this phenomenon is designed to happen only when the car is started, not when it is launched. If it feels like it happens constantly, the clutch or converter is most likely dead.
  • I have the impression that a gear in the automatic transmission of my GMC Yukon XL no longer shifts or jumps: If you have the impression that your gears no longer shift or often jump on your GMC Yukon XL, there is a part that is most certainly to blame for this failure. Indeed, the solenoid that works as a “switch” to engage the gears must not be working properly, second option, a speed or engine unit speed sensor may be faulty and send the wrong information to your gearbox.
  • If you experience drops coming from the automatic gearbox of your GMC Yukon XL: If you experience 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 GMC Yukon XL’s automatic transmission is leaking: At last, if your GMC Yukon XL’s automatic transmission is leaking, it’s most likely one of your spy seals is too worn.

How do I fix automatic transmission complications on a GMC Yukon XL?

And finally, we’re going to try to give you the methods to fix the automatic transmission complications on your GMC Yukon XL . Find them just below:

  • Oil leak on the automatic gearbox of a GMC Yukon XL: Locate the source of the leak, and change the concerned gasket, get it conducted by a professional, opening a gearbox is not easy. It will cost you a few hundred euros, specifically for the labour. Do not think twice to read our content on gearbox oil leaks on GMC Yukon XL.
  • Sensor issue: No matter which sensor is involved, a replacement is the only solution, sensors do not repair themselves, you should count from 100 to a few hundred euros dependent on the difficulty of access to the one that concerns you.
  • Couplings: If you have complications with the couplings on your GMC Yukon XL, you will only need to do a complete gearbox change to gain comfort and preserve your gears.
  • The automatic gearbox of my GMC Yukon XL slips: In such a case, you most certainly have a dead clutch disc, you will have to change the clutch, and on some models you won’t be able to change it without doing a standard exchange of the gearbox, be prepared to spend more than a thousand euros.

There are other automatic transmission complications on GMC Yukon XL, such as electronic problems or pressure complications, but this list lists the most important ones, whatever the case, for such difficult mechanisms. Once you feel a problem on this level, we advise you to go quickly to your mechanic.

If you need more guides on the GMC Yukon XL, go to our GMC Yukon XL category.