Some trouble on our automobiles seem unimportant but can be troublesome, such as a window that no longer goes down. Others, even if they are not major, will restrict you from using your car in a ordinary way, such as having a flat tire or having the fuel cap of your GMC Yukon stuck. You will not anymore have the ability to fill your tank and therefore finally not be able to use your car. It is precisely for this motive that we have written and published this article to help you find a rapid answer to your fuel cap issue so that you can use your car normally. To do this, we will first try to understand why the fuel cap of your GMC Yukon is blocked, and secondly, how to unblock it.

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Why is the fuel cap on my GMC Yukon stuck?

So let’s start our article with the origins of your tank cap problem on GMC Yukon. We will try to tell you the different triggers of a blockage of this one.

Fuel tank cap with locker stuck on my GMC Yukon

In the event that your car is outfitted with a tank cap with lock you will be in the most difficult scenario, because the locks of these caps can get gripped with time and prevent you from being able to access the entry of your tank. It is as well possible that the lock of your tank has twisted and no longer responds to the key of your GMC Yukon.

Conventional fuel cap stuck on my GMC Yukon

Second reason, and the most basic, in the event that of a classic tank cap that has no lock and is generally protected by a closed fuel door, if you have blocking trouble on this type of cap, it is usually only linked to a cap that has not been closed in the axis and the thread of the latter is as a consequence blocked.
<2>How do I unlock the fuel cap on my GMC Yukon?

Second section of our article, we will try to give you the different possibilities to get rid of your fuel cap stuck on your GMC Yukon and let you to put petrol in your car. If you suffering a fuel trap blocked on your GMC Yukon, do not think twice to browse our article on this subject to unlock it.

Use some anti-seize agent to unlock your fuel cap of your GMC Yukon

First option and the one you should reflect on first. You have the opportunity to unseal your stuck fuel cap, to accomplish this you will need to use a WD40 anti-seize type product to lubricate the barrel of your cap. Don’t be reluctant to put some in quantity and wait a few momemts for it to take effect, and try again to open the fuel cap of your GMC Yukon. If it does not function, repeat the process and let it work longer.

Use the duplicate key to unlock the fuel tank lock of your GMC Yukon

As a second alternative, you can try to use your spare key, which most of the time being much less employed should more easily unlock the lock on the tank cap of your GMC Yukon. This may seem evident but sometimes it all comes down to small details. No matter the reason, if you have managed to open your tank, we advise you to buy a new tank cap to avoid getting stuck in this situation again.

Shake the key while trying to open the tank of your GMC Yukon

To conlude, last method, you can try to play the key in the lock of the fuel cap of your GMC Yukon to facilitate the opening of it. In fact, if the cylinder is a little seized up or destroyed, it will unlock with less effort by moving the key in different axes at the same time as you try to rotate it.

To find more tips on the GMC Yukon, take a look at the GMC Yukon category.