Whether for your personal security, for roadworthiness testing or to avoid a fine, ensuring your turn signal bulbs are always operational is very important. In reality, bulbs are wearing parts that will obviously burn out after awhile and as a consequence need to be replaced. You’re most certainly on this site because one of your front turn signals is burnt out and you’re wondering how to change the bulb of a front turn signal on your GMC Sierra, we’ve written this article content to help you do it alone and independently and not have to go to your auto technician. In a first section, we will look at controling a burnt-out front turn signal bulb on your GMC Sierra and in a second section, how to change the front turn signal bulb on your car..

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How to know if the front turn signal bulb on your GMC Sierra is burnt out or needs to be changed?

When you drive your car you don’t always have the possibility to examine all the security components of your GMC Sierra. In reality, you are in many cases in a hurry and tend to enter into your car, make your journey and put it down instantly without taking the time to do an periodic check-up. It is consequently fundamental to take the time to once in a while examine the condition of your headlights and turn signals. It’s quite possible that you have a front turn signal on your GMC Sierra, but that you didn’t detect it. Here are the two simple options to check if a front turn signal is burnt out or if you need to change 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 check that they are functioning.
  • By listening to the sound of your blinkers. In reality, there is an audible indicator on each car that warns you of a front turn indicator bulb burnt out on your GMC Sierra, you will notice that the time between each “click” is much shorter, this denotes that you will have to change the front turn signal bulb or before. It’s up to you to examine and examine which one is burnt out by a visual check as on the first process shown earlier mentioned.

You may have another bulb to change, like the one of your low beam or your position lights, don’t be reluctant to browse our content articles to help you to achieve this substitution.

Changing the front turn signal bulb on your GMC Sierra

Now let’s go to the most important section of this article content, how to change the front turn signal bulb of your GMC Sierra? You should be aware that this task is very simple, you will need to access, from the inside of your bonnet, through the wheel arch, or through your bumper to your headlight unit, open it and change the burnt out front turn signal bulb of your GMC Sierra. If it is a bulb on your rear turn signal, see our dedicated article content. On the other hand, here are the details of the guidelines to stick to in order to accomplish this act accurately according to the method you wish to choose.

Change front turn signal bulb on your GMC Sierra 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 Sierra by the new one (make certain to examine if it’s an orange or transparent bulb).
  • Reassemble and test that the brand-new front turn signal bulb works.

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

    This technique is specially useful when you don’t have enough space in the bonnet to access the front turn signal on your car:

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

    Replace the front turn signal bulb of your GMC Sierra through the bumper:

    On some years or finishes, according to the options the only simple access you will have to change 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 process, we will point them right now:

    • Put your GMC Sierra 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 careful with the plastic staples which can be delicate.
    • Take off your headlight block and change the front turn indicator bulb of your GMC Sierra following the steps seen in the parts seen earlier.
    • Put the whole thing back together again.

    If perhaps you have any further questions about the GMC Sierra, do not hesitate to consult our GMC Sierra category.