How to Align Headlights in a 2000-2006 Chevy Tahoe (2000, 2001, 2002, 2003, 2004, 2005, 2006)

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Introduction

In this guide we will demonstrate how to align your headlights properly on my 2002 Chevy Tahoe. This is a relatively easy fix even if you have very little experience with repairing vehicles. This should take anywhere between 15 to 35 minutes. You will need a relatively large area so that you can back your car up safely and without worry. If you are unfamiliar with this repair I would recommend wearing gloves due to the fact that your hands and fingers will be exposed to metal within the engine bay and just for overall safety.

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Étape 1 How to Align Headlights in a 2000-2006 Chevy Tahoe

How to Align Headlights in a 2000-2006 Chevy Tahoe, How to Align Headlights in a 2000-2006 Chevy Tahoe: étape 1, image 1 de 1

Park your car in front of a vertical wall and make sure it is on a flat surface.
You should be approximately 3 feet from the wall to ensure a comfortable workspace.

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Étape 2

Remove any items from your car that are not typically stored there and could weigh it down.
Make sure your tires are properly inflated.
To find the recommended psi, check your driver's side door and door frame for a sticker like this.

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Étape 3

Turn the headlights on and mark the brightest spot in a plus sign shape using masking tape/painter's tape. Ensure you are not using your high beams or fog lights. Use a level for precise markings. Your headlights should still be 3 feet away from the wall.

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Étape 4

Now, reverse your car precisely so that your headlights are 25 feet (7.6 meters) away from the wall. Don’t estimate this distance; measure it out.
Be mindful when reversing any vehicle, make sure you have cleared the surrounding area before to ensure everything is safe.

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Étape 5

Place a new piece of tape horizontally, so that the top of that piece is 3 inches below the center of the crosses you already placed. Do this for both crosses.
Remember to measure from the top of your horizontal piece of tape not anywhere else.

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Étape 6

With the lights on, look where the brightest point for both lights is, if it isn't dead center or 2 inches below the horizontal tape then they need adjusting.

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Étape 7

Locate the adjusting screws on the housing for each light; the exact location of each screw varies by make and model, though every model works essentially the same way. One screw is for up/down adjustment, the other for left/right adjustment. You usually have to pop the hood to access them.
The first photo provided shows the inside screw. The second screw shows the outside screw.
Be careful when messing around in the engine bay of any vehicle, it is hot and there are lots of metal pieces that you could cut your fingers on!

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Étape 8

How to Align Headlights in a 2000-2006 Chevy Tahoe: étape 8, image 3 de 3

Using the ratchet make it so that the brightest spot of each light is in the middle of horizontal piece of tape you placed in step 5.
The screw closer to the outside of the car is for vertical adjustments, the screw that is more central is for horizontal movement. Turn the ratchet clockwise and counter clockwise to adjust.

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Étape 9

While adjusting one headlight, it is recommended that you cover up the other so that you can clearly see the adjustments that you need to make or are making.

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Étape 10

This is what your headlights should look like on the wall when they are finally adjusted.
Take your car out on a quiet road, drive slowly and be aware of where your headlights are shining. If the road in front of you is not lit up by your lights they are too high. If you cannot see road signs before you pass them then they are too low.

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Conclusion

To align your headlights follow these steps in the exact order, depending on what vehicle you have the tools listed will help you align your headlights.