Some trouble on our vehicles seem trivial but can be frustrating, such as a window that no longer goes down. Others, whether or not they are not major, will obstruct you from using your car in a ordinary way, such as having a flat tire or having the fuel cap of your GMC Sierra stuck. You will not anymore have the capacity to fill your tank and therefore finally not be able to use your car. It is precisely for this purpose that we have written this document to enable you find a quick remedy to your fuel cap problem so that you can use your car normally. To do this, we will first try to understand why the fuel cap of your GMC Sierra is blocked, and secondly, how to unblock it.
Why is the fuel cap on my GMC Sierra stuck?
So let’s begin our document with the origins of your tank cap problem on GMC Sierra. We will try to show you the different motives of a blockage of this one.
Fuel tank cap with locker stuck on my GMC Sierra
If your car is equipped 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 stop you from accessing the access 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 Sierra.
Conventional fuel cap stuck on my GMC Sierra
Second cause, and the least difficult, in the event of a classic tank cap that has no lock and is mostly protected by a closed fuel door, if you have blocking trouble on this sort of cap, it is usually only connected 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 Sierra?
Second section of our document, we will try to give you the different solutions to get rid of your fuel cap stuck on your GMC Sierra and let you to put petrol in your car. If you encoutering a fuel trap blocked on your GMC Sierra, do not think twice to have a look at our document on this subject to unlock it.
Use some anti-seize agent to unlock your fuel cap of your GMC Sierra
First solution and the one you should reflect on first. You have the possibility to unseal your stuck fuel cap, to get this done 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 couple of minutes for it to take effect, and try again to open the fuel cap of your GMC Sierra. If it does not work, duplicate the operation and let it work for a longer time.
Use the duplicate key to unlock the fuel tank lock of your GMC Sierra
As a second alternative, you can try to use your spare key, which often being much less used should more easily unlock the lock on the tank cap of your GMC Sierra. This may seem obvious but sometimes it all comes down to small details. In any case, if you have been able to open your tank, we advise you to buy a new tank cap to avoid getting stuck in this scenario again.
Shake the key while trying to open the tank of your GMC Sierra
To conlude, last option, you can try to play the key in the lock of the fuel cap of your GMC Sierra to facilitate the opening of it. In reality, if the cylinder is a little seized up or damaged, it will unlock more easily by moving the key in different axes at the same time as you try to rotate it.
If you have any additional questions about the GMC Sierra, do not hesitate to consult our GMC Sierra category.
