Despite the fact that automobiles are tending to become a lot more compact, one is happy to enjoy a substantial volume of transport on most modern cars. Whether you’re going on a break, shopping or moving house, the trunk of your GMC Sierra is a large and very practical space. So, what to do if the trunk of your GMC Sierra is stuck? This is exactly what we will try to answer in this article. We will mainly concentrate on closing a blocked safe, but you may possibly discover this content useful if you can’t close your trunk anymore. In a first step, we will try to find the motives of a trunk locker stuck, and in a second step, how to open the stuck trunck locker from a GMC Sierra.

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Trunk lock GMC Sierra stuck, why?

So let’s start our content page with the roots of an GMC Sierra trunk that get stuck . They can be multiple, although in most instances it will be the same problems that will be involved.

GMC Sierra trunk lock connection wires cut

First explanation for a trunk stuck on GMC Sierra. It is possible that the wires or wiring harness of your trunk lock may possibly have been severed by force, or resulting from shocks. This problem causes the outside trunk release handle to not react and may possibly as well cause problems with your rear lights, which might be linked to similar wiring harness. If you have these two problems and your bulbs are not burnt out (please refer to our content on changing the bulbs of the rear lights on GMC Sierra if you don’t know how to check their condition), there is a good chance that the tailgate of your GMC Sierra is blocked resulting from an electrical problem.

GMC Sierra trunk damaged lock

The second possibility of a blocked trunk is that it is the lock of the trunk of your GMC Sierra that is the trigger of your problem . In reality, it is possible, in the long run, that it may possibly become blocked or that internal mechanisms may break. In this instance, the action of the trunk handle no longer triggers the system. You may possibly still notice the activation noise, but not the mechanisms turning.

Something’s jammed in the lock of my GMC Sierra trunk

At last, a last possibility, even though the source of the issue is in most cases already established. It is possible that you have something (a bag for example, a jacket, leaves… ) stuck in the lock of your trunk and that this foreign body keeps it in the closed position.

How to open a stuck trunk GMC Sierra?

Now that we have found out the different reasons for a trunk stuck on GMC Sierra , we will concentrate on the solutions to open a blocked trunk.

Opening a stuck trunk GMC Sierra with the inner lock

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First possibility, the trunk lock of your GMC Sierra is entirely blocked, the external handle may be damaged, or you may have an electrical problem. In such a case, a solution is offered to you, go through the interior of the vehicle use the internal trunk handle . Obviously, not everyone knows it, but there is an internal mechanism in the trunk that enables you to open it from the inside, you will need to identify a hole (sometimes hidden behind a plastic cover) in the centre of your tailgate in which you can insert a screwdriver and press on the sides to unlock the trunk lock of your GMC Sierra .

Open trunk stuck GMC Sierra with a lubricant spray

Second remedy. It is possible that, with time, dust, the trunk closure of your GMC Sierra may have jammed , to get rid of it, from inside your motor vehicle, use degreaser to come clean and lubricate the lock of your GMC Sierra. This remedy may possibly give you the possibility to reoperate your locked trunk.

Open blocked tailgate GMC Sierra, try to remove the foreign object

Finally, last possibility, it is possible that the trunk of your GMC Sierra is blocked as a result of a foreign object that got into the lock. In such a case, there are few solutions. It is up to you to remove as many plastic covers as possible from the inside of your motor vehicle in order to have the most open access possible to the lock and try to remove as many foreign objects as possible from the trunk closure using pliers. If you are unable to open the locked trunk of your GMC Sierra , we advise you to go to your mechanic who will have the tools and more advanced knowledge to unlock the trunk of your motor vehicle .

If you wish more tutorials on the GMC Sierra, go to our GMC Sierra category.