How to Replace Front Marker Bulbs 2007-16 GMC Acadia

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In this video, we're going to be working with our 2012 GMC Acadia. We're going to show you how to remove and replace your front marker bulb. We're doing this on the passenger side, but this process will be the same on the driver side.

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Here are the items you'll need for this repair: T20 Torx driver, flat blade screwdriver, side cutters, needle nose pliers

This job can easily be done on the ground, but we're going to raise and support our vehicle to make it easier to film and show you what's going on. Turn your wheel in to whatever side you're working on. We're going to be working on the passenger side, so we'll cut our wheel all the way to the left. If you're working on the driver side, you'll want to cut the wheel all the way to the right.

Remove the seven T20 Torx screws. We have two on the bottom here and five running up along the backside of the bumper and the fender. From this point, we can peel the inner fender liner backwards just enough that you should be able to look inside and access the back of the housings. We are going to remove the series of plastic clips from the inside to remove the front half of the inner fender just to make it easier to film and show you what you're looking for.

Remove the eight plastic clips securing the inner fender well in. We have three in the top area here, one over at the front (in the middle), two down at the bottom, and these two at the back of the front portion of the liner at the bottom in the middle here.

There's a few different ways to remove these style clips. I like to try to take a small, flat blade screwdriver and work up the center part of the clip just a little. Once you get it up some, if you have the room to get in there with a pair of side cutters, you can sneak them underneath and then pry up evenly from both sides. Once the center is out, you can pop the lower portion out the same way.

To remove the wheel liner, pull out on the bottom portion here and pull down and forward to release the front half of the wheel well from the rear and sneak it out of the bottom.

Your side marker bulb is located in the center of the housing all the way forward toward the bumper at the bottom in this little recess here. Now, it's a little tough to get in there with your fingers. You can use a pair of needle nose pliers, and you don't even have to grab onto the back of the socket. You can just use it to rotate it one click counterclockwise and remove it from the housing, at which point, the bulb simply pulls out.

Pop your new bulb back into the socket. Remember, the wires go up, line it up into its hole, and reach back in there with the needle nose. Turn it clockwise. Once it's turned into place, give it a little pull to make sure it's set in, and you're good to go.

Reinstall your inner wheel well liner. Do this by pushing it up from the bottom and rotating it in over the tire. Be sure that the top slides into place behind the rear liner, as well as on the sides. Once you have some holes lined up, you can start installing your eight push pins. Set them up like this. Install the bottom half and then pop the tab into place. Reinstall your seven T20 Torx screws. We'll start them a couple of threads by hand before we install them with our socket and ratchet.

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