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Old 02-01-2018, 08:53 PM   #1
au350hp
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Default Brake fluid for detailing?

Anybody with a Windsor 5.0i knows the round black oil cap. They all go grey & faded even though we use some of those trim restorers, nothing worked properly. That is until this example of laziness. I was finishing up bleeding the brakes last week or so, I had some brake fluid on my fingers, so I wiped it on the faded oil cap. It drank it up & turned black! I gave it a little more & it almost looks brand new. Today, still looks good and I went for a 250km drive a few days back. Obviously it is not meant for detailing, but maybe somebody here could enlighten me as to why it is working so well & possible harm if used on stubborn faded trims that haven't responded to all the trim restorers?
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Old 02-01-2018, 10:42 PM   #2
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Default Re: Brake fluid for detailing?

Not good to get brake fluid on your hands when handling these items after treatment. Then touch paint etc, which doesn't like brake fluid at all.

I wouldn't use it on plastics either. Horrible stuff.
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Old 02-01-2018, 10:52 PM   #3
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Default Re: Brake fluid for detailing?

depending on the type of brake fluid it may contain polyethelyne glycol which could be helpful as it is also used in skin creams etc. unfortunately brake fluid dilutes this with an awful lot of solvent so probably not good in the long term on plastics and vinyls.
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Old 02-01-2018, 11:01 PM   #4
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Default Re: Brake fluid for detailing?

Just use mothers back to black
https://www.carcareproducts.com.au/p.../back_to_black
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Old 02-01-2018, 11:06 PM   #5
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Default Re: Brake fluid for detailing?

I believe that brake fluid can make certain types of plastic parts to become brittle, so probably not a good idea in the long run.
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Old 02-01-2018, 11:14 PM   #6
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Default Re: Brake fluid for detailing?

I tend to agree with all the above statements
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Old 03-01-2018, 03:56 PM   #7
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Default Re: Brake fluid for detailing?

Quote:
Originally Posted by GO FURTHER View Post
I believe that brake fluid can make certain types of plastic parts to become brittle, so probably not a good idea in the long run.
Cars these days have plastic brake fluid reservoirs, I don't see brake fluid to be harmful towards rubbers or plastics.
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Old 03-01-2018, 05:12 PM   #8
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Default Re: Brake fluid for detailing?

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Originally Posted by Officemanager View Post
Cars these days have plastic brake fluid reservoirs, I don't see brake fluid to be harmful towards rubbers or plastics.
It depends on the type of plastic used.
(Acrylonitrile Butadiene Styrene) ABS plastics get very brittle when exposed to brake fluid.
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Old 03-01-2018, 07:09 PM   #9
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Default Re: Brake fluid for detailing?

have swiped used trans fluid over plasticy bumper bars, mirrors n bits on bunkys

comes up a treat
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Old 03-01-2018, 07:38 PM   #10
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Default Re: Brake fluid for detailing?

I know brake fluid & paint don't mix, and I also realise it is not supposed to be used for any other purpose than what it is designed for. Thanks for all the warnings, although I would never use anything but my CarPro products for detailing. I have tried every trim/plastics restorer on the market & they are all useless on trims with UV/heat damage, except for brake fluid which I repeat, was trialled out of laziness/curiosity. I am not condoning use of brake fluid on trims, I was curious if anybody knew what it was that was conditioning the plastic. I am buying a set of chrome dress up caps for oil & power steering caps & a pair of chrome bonnet struts soon, so no issue.
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Old 04-01-2018, 08:33 AM   #11
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