Repairing Guides

how to repair plastic headlight lenses

by Dr. Rosalyn Cronin I Published 3 years ago Updated 2 years ago
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Method 2 of 3: Using Masking Tape

  1. Get a lens repair kit. Easy-to-use kits like the lens repair kit from 3M are available at local automotive retailers.
  2. Mask around the headlight. Protect your car's finish with masking or painting tape. ...
  3. Clean the headlight lens. ...
  4. Remove oxidation. ...
  5. Sand while keeping the surface wet. ...
  6. Apply wax (protectant) to the headlight lens when the lens is clear. ...

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Part of a video titled How to Restore a Plastic Headlight Lens - YouTube
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You can use a shop rag. And a little piece of tartar control toothpaste rub. It on the lens wipe itMoreYou can use a shop rag. And a little piece of tartar control toothpaste rub. It on the lens wipe it off and if you start seeing improvement. You may only need to polish the lens.

Full Answer

How to professionally restore headlight lenses?

Instructions for Cleaning Headlights

  1. Wash and dry headlight area. Wash and dry the headlight and the surrounding area in order to avoid dirt and grime. ...
  2. Tape off assembly. Once the area is clean and dry, place painter's tape around the headlight assembly to keep you from damaging your paint when you’re sanding.
  3. Use Lens Clarifying Compound. ...
  4. Read kit for sanding instructions. ...
  5. Use first pad. ...

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How do you renew headlight lens?

Wash and Sand Horizontally

  • Wash the cloudy headlight with warm soapy water.
  • Rinse with plenty of clear water, then let it dry.
  • Then mask the area around the lens so you don't scratch the paint.
  • Soak the sheets of sandpaper in water, then start with the grit that suits your situation.
  • Sand in one direction. With sandpaper, the higher the number, the finer the grit. ...

How to restore an inside headlight lens?

How to Restore an Inside Headlight Lens

  1. Turn off your vehicle and prop open the hood.
  2. Disconnect the wiring harness from the rear of the headlight assembly.
  3. Remove the mounting bolts from the headlight assembly.
  4. Pull the headlight assembly off of the headlight mounting bracket. ...
  5. Set the headlight assembly on a work bench and turn on your hair dryer or hot-air gun.

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How to refinish headlight lens?

How to Restore Oxidized Headlight Lens

  1. Clean Using Soap. Use car soap or shampoo and water to clean the headlights before you start the entire process. ...
  2. Use Masking Tape. To protect the surrounding of the lens, use masking tape to cover the area up.
  3. Apply Toothpaste. Use a cloth to apply toothpaste and rub the cloth in a circular motion to clean the lens. ...
  4. Rinse and Wax. ...

How to restore yellow headlights?

How to avoid plastic from abrasive disc?

Can brasso be used on headlights?

Can you use bug spray on plastic?

Can you paint on plastic headlights?

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Can plastic headlights be restored?

Luckily though, the cure is simple. By using a selection of light abrasives, faded plastic headlights can be easily restored… even by hand, without the need for expensive specialist equipment or dedicated headlight restoration kits.

How do you restore clear plastic headlights?

0:3612:46How to Restore Headlights PERMANENTLY - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd we're going to be doing a wet sand. So you're going to have to use a spray bottle or some typeMoreAnd we're going to be doing a wet sand. So you're going to have to use a spray bottle or some type of water source. So a hose a spray bottle something like that.

How do you restore headlight lens?

0:5910:34How To Restore Headlights PERMANENTLY ( Better Than a ...YouTubeStart of suggested clipEnd of suggested clipStarting with the first step even arrange the headlight. And the surrounding. Area using aMoreStarting with the first step even arrange the headlight. And the surrounding. Area using a microfiber towel to remove any dirt. Then dry the headlight.

How do you fix a foggy plastic headlight?

Toothpaste containing baking soda is especially effective. Begin by cleaning your headlights with Windex or a combination of soap and water. Then, using a gentle cloth, apply a small amount of toothpaste to the still-wet headlight, and scrub it until you've removed the protective coating; once you do, apply a sealant.

Does WD-40 clean headlights?

Can WD-40 be used to clean foggy headlights? In case you have an upcoming car test, and you are wondering if you can quickly defog your headlights for approval, the answer is yes! It can be used as a car headlight cleaner.

Will Magic Eraser clean headlights?

While using a Magic Eraser on a vehicle's paint has become somewhat of a cautionary tale, it's completely safe to clean cloudy headlights. A bonus? The cleaning tool even gets rid of the gross yellow coloring that develops over time. Buff each one with a wet Magic Eraser, then wipe with a paper towel as they dry.

What's the best headlight restorer?

Comparison of the best headlight restoration kitsProductGlovesDrillCerakote Ceramic Headlight Restoration KityesnoMother's NuLens Headlight Renewal KitnoyesMeguiar's Heavy Duty Headlight Restoration Kitnoyes3M Headlight Lens Restoration Systemnoyes2 more rows•Dec 29, 2021

Can toothpaste clean headlights?

If your dirty headlights are physically damaged, toothpaste won't do much to restore them to their former glory. But if they're covered with chemicals and dust from the road, toothpaste could actually provide a potent polish.

What grit sandpaper do I use for headlight restoration?

Use headlight sandpaper along with Sand E-Z as one of the first steps to restore cloudy headlights. Use 600 and 800 Grits for very heavy oxidation. 1,000 Grit is typically enough to remove most oxidations. 1,500 and 2,000 are used as finish steps prior to buffing.

How do you restore badly oxidized headlights?

1:503:01How to Restore Severely Oxidized Headlights - YouTubeYouTubeStart of suggested clipEnd of suggested clipUse slow overlapping motions while keeping the pad firmly against the headlight while buffingMoreUse slow overlapping motions while keeping the pad firmly against the headlight while buffing reapply plastics polish as needed. And continue buffing until the headlight becomes crystal. Clear.

How do you restore headlights with sandpaper and clear coat?

Soak all your wet sanding paper in a bucket of water, making sure to let it sit there for a few minutes. ... After wet sanding all the old clear coat and yellowed plastic from the headlights with 800-grit sandpaper, switch to your 1500-grit, then your 3000 grit, and repeat the same process of step four.More items...•

How do you restore headlights with WD-40?

Spray a generous layer of WD-40 over the headlights and let it sit for 5-10 minutes. While you wait, the specially engineered solution will expertly get under the buildup and muck, making your next step easier. Take a soft, clean loofah and scrub the headlights gently.

What's the best headlight restorer?

Comparison of the best headlight restoration kitsProductGlovesDrillCerakote Ceramic Headlight Restoration KityesnoMother's NuLens Headlight Renewal KitnoyesMeguiar's Heavy Duty Headlight Restoration Kitnoyes3M Headlight Lens Restoration Systemnoyes2 more rows•Dec 29, 2021

How do you clear faded plastic?

Make a thick paste of baking soda and water, then rub it really well into the plastic. Apply more of the paste over the top, then let it sit for a day. Rinse off the paste and see if the yellowing is better. If it's not, make a mixture with equal parts bleach and water, and let the plastic soak overnight.

How do you permanently remove oxidation from headlights?

Sanding is the best, most efficient way to restore auto headlights permanently. Sanding headlights strips away the foggy layer, revealing the once shiny light lenses you loved.

How can I make my headlights look new?

0:386:25How to restore headlights to look brand new in 5 minutes. - YouTubeYouTubeStart of suggested clipEnd of suggested clipPaper little sandpaper over here 1500 grit 2000 grit buffing pad and a polishing pad to use with ourMorePaper little sandpaper over here 1500 grit 2000 grit buffing pad and a polishing pad to use with our buffers you gotta have a professional buffer. The rubbing compound here.

How to remove yellowed plastic from a lens?

I began with an 800 grit wet/dry paper I picked up at the local hardware store. After liberally wetting down the lens I worked with a bowl of water and made side-to-side sanding strokes, constantly re-wetting the paper. Using light pressure, I let the abrasive do the work and wet-sanded the lens for about 10 minutes until it looked like I had removed all yellowed plastic from the surface.

How to clean a lens before applying?

Before application I flushed the lens with water from the hose to remove surface contaminants and then wiped it down with a shop rag soaked with isopropyl alcohol for final surface prep.

What does sanding do to headlights?

Basically, all this sanding is doing is just removing that top layer of oxidation all that haze headlight hazing you know the fogging in the headlights. All the sanding is gonna get rid of all that out of that top plastic layer?

What to do if your lights are murky?

If your lights have gone murky or yellow then the factory protection is already compromised and thus you need to take action. You could buy new lights or try something else. Once at this point, there is a valid argument of “what have I got to lose?” to try something else. But, there is a lot of very bad advice out there which I’d like to address here.

What grit sandpaper should I use for factory protectant?

If the factory protectant layer is still intact I would just recommend a light polish with a 3000 grit sandpaper and a light compound I like to use from 3m

Is headlight coating clear coat?

This is a specialized solution that absorbs into the polycarbonate surface in combination with heat treatment. It is not a clear coat. Using a solvent or abrasive on your headlights will compromise this protective coating.

Can you use UV protective film on headlights?

But, having said all of that, the heat stretchable UV protective film seems like the winner to me. This film is commonly used to ‘tint’ headlights and taillights but it does come in clear. Prepare the headlights as shown in this video, then apply the UV protective film that applies much like window tint film. This film should last many years without any maintenance and can be easily removed in the future. It appears to give you the advantage of a clear coat without the expertise necessary or disadvantages of a clear coat. Yes, the film will also have a refraction index to it… probably worse than clear coat.. but still much less than water, and of an amount that is still irrelevant.

Can you use a full face mask instead of goggles?

Additionally, use eye protection. Not just safety goggles, but ‘sealed’ eye protection as these nasty chemicals are absorbed through your eyes. A full-face mask is another option instead of a separate mask and goggles. But, having said all of that, the heat stretchable UV protective film seems like the winner to me.

Can you use bug spray on headlamps?

You will just be wasting your time and effort using bug spray, toothpaste, or baking soda. And you will end up ruining your headlamp if you op to put a clear coat on them. This is the only right way to restore your headlamps despite all the other so-called permanent fixes.

How to get rid of hazy residue on headlights?

Rinse and Evaluate. Rinse the rubbing compound off your headlight when you feel you've buffed enough. Be sure to rinse liberally to remove all hazy residue left over from buffing. Let the first lens dry while you're buffing the other one, then re-examine the first one.

How to clean headlights and tail lights?

Wash the Headlights. Start by filling a bucket with car soap and water. Then use a car washing sponge to thoroughly scrub both headlights and tail lights. Sometimes headlights can look cloudier than they really are due to road dust. That's one reason washing is important.

How to buff a foam disc?

Drizzle some liquid automobile rubbing compound on the foam buffing disc on your random orbit sander or buffer. Make a generous circle of rubbing compound about two inches in diameter on the buffing pad.

What happens if you start a sander with the pad in the air?

If you start the sander with the pad in the air, it may spin fast and spray rubbing compound everywhere.

Why are my headlights cloudy?

Ignore this long enough, and your headlights will develop a surface that significantly reduces their brightness during nighttime driving.

How to keep plastic lenses clear longer?

When all plastic lenses look as good as they can, apply a coat of automotive wax to keep them clear longer.

Can a wet lens be clearer?

A wet lens can sometimes look clearer than it is. Allow the lens to dry completely before evaluating.

What is the best way to clean plastic headlights?

How To Clean Plastic Headlights Using Household Items. For a quick wash or quick cleaning action, a PAM cooking spray, Toothpaste, Coca Cola or even a WD-40 can be used when it comes to cleaning plastic headlights.

How to polish headlights with vegetable oil?

The vegetable oil or cooking spray should be applied on a small cotton ball and then applied on the headlights and after that, a dry microfiber towel should be used in polishing the headlights lightly. If there is also any need for extra oil then do not hesitate to do so. A separate clean towel should be used when wiping ...

How to clean a foggy headlight?

After washing using car shampoo and clean water, the plastic headlight should be wiped using a clean cloth and after that, the WD-40 should be sprayed on to the foggy plastic headlight. After spraying, it should now be wiped clean using a dry towel and after the first wipe, results would start to appear immediately.

Why are my headlights turning hazy?

The major downside is cleaning foggy headlights using household items might only produce temporary results and the reason why headlights tend to turn hazy, cloudy, faded or dull is as a result of oxidation and ultraviolet degradation.

Can you wash plastic headlights?

One question that is constantly being asked is how to clean plastic headlights and you would be surprised at the answer that you would get. Plastic headlights that are foggy or cloudy can be cleaned up effective using household items and what this simply means is you do not have to pay heavily at a car wash just because you want to wash your plastic headlight cover instead you can make use of some ingredients around your house and clean your plastic headlight.

Can a headlight restoration kit be used?

If a headlight kit isn’t used then the headlight lenses might just be replaced.

Can you use a separate towel to clean car paint?

After cleaning, a separate towel should be used in wiping finally and this process can be carried out with a high level of confidence that no damage would come to your vehicle paint.

How to restore yellow headlights?

In a nutshell, the only proper way to restore your headlights is by color sanding to remove the damaged plastic followed by cut and color buffing. As a final step you should apply a sealant.

How to avoid plastic from abrasive disc?

You will be doing what seems to be irreversible damage but you need to have trust in the process. Use plenty of water to avoid plastic from building up on the abrasive disc. This is the proper way to work with plastic. Basically the process involves making finer and finer scratches.

Can brasso be used on headlights?

If used over and over it will leech through the lens and form oil droplets on the inside of your headlights. Don’t use Brasso! It causes crazing and contains chemicals that cause cancer. Don’t use metal polish! It causes crazing and contains chemicals that cause cancer.

Can you use bug spray on plastic?

Don’t use bug spray! This melts plastic and leaves a tacky surface

Can you paint on plastic headlights?

They cause crazing and contain chemicals that cause cancer. Don’t use paint!!! Even if you use paint that is safe to use on plastic they are not designed to withstand the expansion and contraction of plastic headlights.

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