32 votes
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Do I really need to wash the outside of my car?

tl;dr: How much did you pay for that shirt? How often do you wash it? Why would you bother? Shirts just get dirty anyway. Can't you get another shirt? Are there any benefits of washing the ...
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32 votes
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How to get rid of a decal on the rear window?

The most effective thing I've found for this is heat. Warm the sticker with a hair dryer. When it gets warmed to a certain point it will easily pull away without leaving residue. One word of ...
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24 votes

How to get rid of a decal on the rear window?

On glass, heat would probably work well as mentioned, but I've worked at a car dealership for years, and always removed stickers and window paint with a simple straight razor blade and windex. The ...
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  • 341
23 votes

Do I really need to wash the outside of my car?

The reason many people wash their car every week is to keep it looking nice and from the good old days of bad paint and no rust protection. These days, paints are significantly better and stand up ...
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21 votes
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Effective way to clean inside of windshield?

I clean the inside with washing-up liquid (like Fairy in the UK - a mild liquid used for handwashing plates, cutlery etc.), then Windolene (a glass cleaning product), and then finish up with Rain-X ...
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17 votes
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Avoiding the grease, dirt and oil from getting onto the skin and under the nails?

Gloves. Do not use latex gloves, they break easily. Use nitrile gloves instead, they are mechanically much more resistant. Even better: Use nitrile gloves under ordinary work gloves. The ordinary ...
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  • 7,828
16 votes
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Cleaning brake fluid (general tips)

Standard automotive brake fluid (DOT 3,4 and 5.1) are made from polyethylene glycol (PEG). PEG is soluble in water, methanol, ethanol, acetonitrile, benzene, and dichloromethane, and is insoluble in ...
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15 votes

Effective way to clean inside of windshield?

Crumpled newspaper is my go-to for making glass look flawless. It removes streaks that many towels will leave behind.
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15 votes
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Why has white powder formed on metal parts after cleaning with degreaser and what can I do about it?

Believe it or not, that is corrosion. You are correct in your assumption that the Valve Cover is certainly cast aluminum. Aluminum can be damaged by many de-greasers that are too aggressive. This ...
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14 votes
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Can I use washing up liquid to wash my car?

Using dish washing liquid on your auto paint will strip off any of the good "stuff" which is on there, such as waxes and or oils. This leaves it unprotected. If you use stuff specifically ...
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13 votes
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Is it all right to clean a car radiator with vinegar and chlorine?

I would definitely not intentionally put sodium hypchlorite bleach in my radiator. Vinegar is one thing, but the sodium hypochlorite will attack anything aluminum in your radiator, intake manifold, ...
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  • 2,534
12 votes

How to get rid of a decal on the rear window?

Acetone and isopropyl rubbing alcohol (90% and higher) are very effective at dissolving glue without affecting glass. It will affect any other plastic layer on the window so you should check for any ...
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  • 121
11 votes
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Why is my Toyota dashboard shiny and sticky, and how do I clean it?

MAJOR UPDATE - TOYOTA WARRANTY EXTENSION FOR "STICKY DASHBOARDS" Today ( 12/29/2014 ) I received in the mail a Warranty Enhancement Notification regarding my Toyota. Complete coincidence ...
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11 votes
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What clean, non-sticky lubricant can I use for door hinges?

Great question. My preference is silicone spray, as you suggested. I'm pretty sure this one is the one I usually get for this kind of job. Apparently I'm not the only person who thinks this is a ...
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10 votes
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What are some Seafoam Alternatives

tl dr - To directly answer the question, SeaFoam is a pure petroleum product. If an alternative product is made up the same as Seafoam, then I'd think it would work just fine. If its makeup is not ...
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10 votes

Avoiding the grease, dirt and oil from getting onto the skin and under the nails?

If you don't like gloves, I recommend GOJO: GOJO contains pumice, which is ground up volcanic rock. It also contains a natural degreaser. When you combine the two, you have a cleaner that can remove ...
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9 votes

What's the easiest way to remove chewing gum from a medium-pile floor mat?

Ahh.. The Horror of chewing gum on the carpet. The best way by far is to use ICE or any cooling substance like liquid nitrogen if you are a geek but mainly ICE. Fill a bag with ice cubes and rub ...
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9 votes
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Battery acid clean up

Yes, the liquid and vapors are harmful. Use plastic gloves and face-shield while handling the battery and cleanup. Open the doors and allow the car to air out a little vacate some of the fumes before ...
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  • 9,035
8 votes

Is it all right to clean a car radiator with vinegar and chlorine?

I would not use that solution to clean my radiator. Remember that a radiator itself is primarily made of fairly thin aluminum. The bleach/vinegar could very easily damage the structure and weaken it. ...
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8 votes
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Cleaning mud from motorcycle radiator

I use a garden weed sprayer, its less powerful than a high pressure washer yet can have its jet aimed in a small area. Additionally you can fill it with hot water which will help loosen the mud. ...
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8 votes
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How to Make a Homebrew Engine Degreaser Spray?

You will generally want to look for something that is a solvent, or is solvent-based. A good homebrew 'degreaser' would be using washing soda (sodium carbonate) diluted in water. You can make washing ...
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  • 456
8 votes

What clean, non-sticky lubricant can I use for door hinges?

My weapon of choice for such a job is something like WD-40's White Lithium Grease: (source: wd40specialist.com)
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  • 39k
8 votes
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What is the best DIY approach to keeping brake dust off your rims?

The easiest way I'm aware of is to change your brake material to ceramic. While there is still dust, it's about 90% less apparent than is metallic or organic friction compounds (in most cases). As ...
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8 votes

Cigarette in the ac vent

Any damage done to the car (likely, none) will have already been done. What you will have, however, is a car that will smell like theres a cigarette in the vent when the AC or heating is on. You'll ...
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  • 8,612
7 votes
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Washing Engine Bay / Underside From Oil / Dirt

As DustinDavis mentioned in the comments, high pressure water is very easy to damage components with. The area underneath the hood is not built for high pressure water (or large amounts of water at ...
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  • 599
7 votes

Effective way to clean inside of windshield?

You should be able to pull off hard-to-remove contaminants with a combination of clay bar and lubricant. Clay bar is very good at removing surface contamination. Step-by-step instructions are shown ...
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  • 39k
7 votes

Can I use washing up liquid to wash my car?

The problem with using dish soap on your car is that it tends to wash away any wax that might be on the surface. Wax not only makes the car shine - it also protects the paint to a degree. So, will ...
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7 votes

Can I use washing up liquid to wash my car?

I would never do this for a regular wash. However, there is one time when you might want to use dish soap to wash the car: when you're getting ready to do a really good waxing. While the dish soap ...
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  • 24.3k
7 votes

Do I really need to wash the outside of my car?

I work from home, so my car stays in the garage for long periods of time. It doesn't get much mud or salt spray, and after it's washed, it looks pretty fresh for a month or two. It's often 6-months ...
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7 votes

Cleaning and Shining Black, Under Hood Rubber and Plastic Parts

If your climate is anything like where I'm based, the picture shown is a part that is dirty mainly due to fine dust. I would advise against using any sort of chemical product without removing that ...
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