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19 votes
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How do I take off these plastic buttons that are attaching the shroud to my car?

Put a screwdriver in the slot on the side and gently raise up the center section. You may need to work it from both sides. Once the center section is raised, it should look something like this: Once ...
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11 votes

Why do car manufacturers use plastic parts in the car?

As @DucatiKiller said, weight is a major factor. With ever-increasing safety standards that need to be met, car weights are constantly increasing. Making as many weight savings in as many areas as ...
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  • 1,576
6 votes

Is it possible to plastic weld a bumper with a heat gun?

The problem with plastic welding with a heat gun is the concentration of heat, I think you allude to this in your post. When/if you can concentrate a heat gun's output on a small area and concentrate ...
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  • 32.7k
6 votes
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In a clip, what does the "Stem Length" mean?

Yes, 9 is the stem length in the graphic you have pictured.
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5 votes
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Identify Plastic Bolt Like Part on 2004 Saturn Ion 2

Those are just regular Clips if you take those to AutoZone they sell them all cars have them majority of all of use the same ones I don't even think they have a part number I'm sure they don't they ...
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  • 106
4 votes
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Integrity of plastic welding for car rear bumper

Plastic welding is great for a small crack or slit in the surface of the bumper. However, it is not structurally sound enough to reattach a broken mounting tab. I've tried; it never works. The one ...
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  • 12.2k
4 votes

Why do car manufacturers use plastic parts in the car?

Weight Reduction Using metal components within a car to replace all of the plastic components would increase the weight and reduce the overall efficiency and gas mileage of the vehicle. The overall ...
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  • 32.7k
4 votes

Plastic damage from throttle body/carb cleaner

As you found out, the warnings on carburetor cleaner to avoid contact with plastic and paint are for a reason. The black plastic looks faded, not necessarily an intended matte finish. Before ...
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  • 9,035
4 votes

Plastic damage from throttle body/carb cleaner

Remove the grill, thoroughly clean it then spray it with plastic paint or even replace it. The damage caused by the solvent is most likely permanent.
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  • 34.4k
3 votes

Removing wax from motorcycle plastic fairing

Hard to say for certain what will work without knowing what the substance actually is - washing up liquid is normally pretty good for stripping off most waxes, but as you say it's not done the trick ...
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  • 9,674
3 votes
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Best way to stick adhesive pads to plastic coated with Armor All

I would think you could use isopropyl alcohol (IPA) to remove the Armor All and clean the areas of the dash where the adhesive strips need to be done. If that doesn't work, acetone may work, but I'd ...
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3 votes

Plastic damage from throttle body/carb cleaner

You cannot remove the marks that it has created but yes you can hide them by using after market products like dashboard polish since dashboard is also plastic or a insta-shine sponge.All you have to ...
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  • 1,165
3 votes

Is it possible to plastic weld a bumper with a heat gun?

You can buy a specific heat gun for plastic welding for about $50. I would try the gun you have using plastic welding rod from Harbor Freight ($5.99). The rod package comes with a variety of materials ...
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  • 19.7k
3 votes

I want to attach some hooks inside my car

Use something like 3M Command Utility Hooks. They stick on but can be removed without leaving any sticky adhesive behind. I would not hang anything more substantial than that from a plastic interior ...
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  • 895
3 votes

I want to attach some hooks inside my car

Depending on what is behind the panels, a bolt with wide washers could be all you need. I'd probably go down the glue route myself, or possibly even fix velcro tabs to the plastic with velcro-backed ...
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  • 18.5k
2 votes

Is it possible to plastic weld a bumper with a heat gun?

The alternative to hot air is a soldering gun style plastic welder. Mine has variable temp and a special flat spreader tip with a 1/8" passage through it. The plastic welding rod is fed through the ...
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  • 21
2 votes

Integrity of plastic welding for car rear bumper

Without an actual picture and the ambiguous verbage used, here's your options: most often, minor crashes do not damage the bumper itself but the "clips" that hold it on. With the proper tools, you ...
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  • 12.1k
2 votes
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Sideskirt repair

You can use acetone to melt and weld ABS plastic. Simply apply acetone to the broken edges and hold them together firmly. You could then reinforce it from behind the skirt by using epoxy (loctite?) to ...
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  • 2,186
2 votes
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Plastic damage from throttle body/carb cleaner

I sanded out the damage for the most part. Some of it was surprisingly deep, but using fairly fine sandpaper (grits: 400 -> 600 -> 1000 -> 2000) seemed to work well. I will try some plastic restorer ...
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  • 253
2 votes

What class of cleaning/detailing products do I use for artificial/imitation leather?

Artificial "leather" is a plastic-like material. I'd use a cleaner for plastic/rubber/vinyl and not an actual leather product. You might check the Owner's Manual and see if they recommend a ...
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  • 8,474
1 vote

What's the best adhesive to repair a snapped plastic indicator stalk?

Drilling and inserting a headless screw or even a bit of welding rod can work.
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  • 34.4k
1 vote

How permanent is heat gun treatment in restoring faded black plastic trim?

I found a lot of conflicting information with regard to what exactly heating the plastic is doing. Some say releasing oils, other leaching pigment, releasing moisture, melting, and on and on. Seems ...
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1 vote

How permanent is heat gun treatment in restoring faded black plastic trim?

How exactly does this work? You're heating the plastic up to what's called its glass-transition temperature. I'm not a mechanical engineer, but my understanding is that the crystal structure of the ...
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  • 286
1 vote

What kind of lube for plastic applications?

The best lube for these types of parts (at least what I've always successfully used) is white lithium grease. It works great for this, window slides ... well, there are a lot of uses in automotive. It ...
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1 vote

Removing wax from motorcycle plastic fairing

At the risk of sounding like a prank, I'm going to suggest something I've used many times to remove wax that was unintentionally applied to cast plastic parts on cars, which can suffer from similar ...
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  • 1,124
1 vote

Identify Plastic Bolt Like Part on 2004 Saturn Ion 2

There are more kinds than snowflakes. (Maybe not that many...) Not sure about "Autozone", but a good old-fashioned autoparts store will have a display board like the one pictured above to allow you ...
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  • 12.2k
1 vote

Plastic damage from throttle body/carb cleaner

After you use the super fine grit sandpaper or steel wool, try this: http://www.retr0bright.com/make.html I know it sounds like it won't work, but it would lighten the darker spots to be more like ...
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  • 227
1 vote

Appropriate epoxy to apply to air dam on 2011 F-150

I'll agree with @dlu here ... drill some holes through both the mount and the bumper and mount it tightly. You wouldn't need big honking screws, just a couple long screws with nuts. Use some thread ...
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1 vote

Is it possible to repair the lower engine cover assembly?

Not with the methods you mention. Drilling holes in it either side of a split and using cable ties is a good way to repair it. Leave at least an inch of distance from the split so there is enough ...
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  • 1,086
1 vote
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Why do car manufacturers use plastic parts in the car?

Plastic parts are used extensively in cars because they are light, cheap, and break after only a few years (yes, ideally just after the warranty expires, by design). Note, the parts that break most ...
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