Whether for your personal safety, for roadworthiness testing or to avoid a fine, ensuring that your turn signal bulbs are always working is imperative. Indeed, bulbs are wearing parts that will definitely burn out with time and as a result need to be swapped out. You’re perhaps in this article because one of your front turn signals is burnt out and you’re questioning how to change the bulb of a front turn signal on your GMC Terrain, we’ve created this document to help you do it by yourself and not have to go to your mechanic. In a first part, we will look at controling a burnt-out front turn signal bulb on your GMC Terrain and in a second part, how to change the front turn signal bulb on your car..

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How to find out if the front turn signal bulb on your GMC Terrain is burnt out or needs to be swapped out?

When you drive your motor vehicle you don’t constantly have the possibility to check all the safety equipments of your GMC Terrain. Indeed, you are in many cases in a hurry and tend to get into your motor vehicle, make your trip and put it down right away without taking the time to do an regular check-up. It is as a consequence fundamental to take the time to occasionally check the state of your headlights and turn signals. It’s quite possible that you have a front turn signal on your GMC Terrain, but that you didn’t detect it. Here are the two simple ways to control if a front turn signal is burnt out or if you need to replace it quickly:

  • When you stop, turn on the ignition on your car, then alternately turn on your left and right front turn signals and get out of the car to control that they are functioning.
  • By listening to the sound of your blinkers. Indeed, there is an audible sign on each car that alerts you of a front turn indicator bulb burnt out on your GMC Terrain, you will find out that the time between each “click” is much shorter, this suggests that you will have to replace the front turn signal bulb or before. It’s up to you to check and examine which one is burnt out by a visual control as on the first solution shown above.

You may have an additional bulb to replace, like the one of your low beam or your position lights, don’t be reluctant to browse our articles to help you to do this substitution.

Replacing the front turn signal bulb on your GMC Terrain

Now let’s go to the most significant part of this document, how to replace the front turn signal bulb of your GMC Terrain? Please note that this task is very simple, you will require to access, from the inside of your bonnet, through the wheel arch, or simply by your bumper to your headlight unit, open it and replace the burnt out front turn signal bulb of your GMC Terrain. If it is a bulb on your rear turn signal, see our special document. Nevertheless, here are the details of the steps to stick to in order to execute this action accurately according to the technique you want to choose.

Change front turn signal bulb on your GMC Terrain through the bonnet:

  • Open your bonnet and clear access to your headlight pods.
  • Use a torx tip to open the headlight unit on your car
  • Unscrew the front turn signal bulb from your car by turning it a quarter turn counterclockwise
  • Replace the front flasher bulb of your GMC Terrain by the new one (make sure to check if it’s an orange or transparent bulb).
  • Reassemble and check that the brand-new front turn signal bulb operates.

    • Change the front turn signal bulb of your GMC Terrain through the wheel arch:

    This methodology is extremely useful when you don’t have enough space in the hood to access the front turn signal on your car:

    • Lift your car, and take away the front wheel on the side you want to operate on.
    • Take out your wheel arch with a torx bit.
    • Go to your headlamp block and replace the front turn signal bulb on your car following the same guidelines as on the part previously seen.

    Change the front turn signal bulb of your GMC Terrain through the bumper:

    On some years or finishes, dependant on the options the only simple access you will have to replace the front turn signal bulb of your car will be to pass under your front bumper, there are only a few steps that change from the full procedure, we will point them now:

    • Put your GMC Terrain on a jack or a candle.
    • Remove the screws of the motor shoe of your car(plastic part under your motor) and your shock absorber. Be mindful with the plastic staples which can be breakable.
    • Take out your headlight block and replace the front turn indicator bulb of your GMC Terrain following the steps seen in the parts seen above.
    • Put the whole thing back together again.

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