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Author [NL] [FR] [ES] [DE] [SE] [IT] [NO] [MY] Topic: Brake fluid? Gasoline? What is it.  (Read 771 times)

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Offline Imightbewrong202

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Brake fluid? Gasoline? What is it.
« on: Jul 16, 2021, 05:22 PM »
Hi guys,

I was ceaning my bike today and I spotted these stains. I did replace my brake fluid last  week, but I don't understand how it could have gotten to here as the reservoirs are on the right side of the steer and beneath the saddle. I also do not recall spilling any brake fluid anywhere.

I'm not sure what it is, and it doesn't go of with a sponge and soap.

I honestly also don't know exactly how brake fluid biting into paint looks.

What is your guess of what this could be? And how it can be fixed?

« Last Edit: Jul 16, 2021, 05:29 PM by Imightbewrong202 »

Offline Imightbewrong202

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Re: Brake fluid? Gasoline? What is it.
« Reply #1 on: Jul 16, 2021, 06:49 PM »
P.S. anyone happens to know how to find the exact colour of my versys ?

Offline mac one

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Re: Brake fluid? Gasoline? What is it.
« Reply #2 on: Jul 16, 2021, 09:37 PM »
Brake fluid normally blisters the paint, maybe something has come from the road and been flicked up by the tyre .So it's now time to remove and repaint the cover.

Online Gustavo

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Re: Brake fluid? Gasoline? What is it.
« Reply #3 on: Jul 16, 2021, 11:13 PM »
Brake fluid is a solvent, so it will take off the clear coat or top layer of your paint if left to soak on it.  If you wipe it off quickly, you probably will see no marks on the paint.  But it doesn't take too long to start showing.  Good demo here:




Gustavo
Always yield to temptation, it may not pass your way again - Ken Morton

Offline Imightbewrong202

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Re: Brake fluid? Gasoline? What is it.
« Reply #4 on: Jul 16, 2021, 11:21 PM »
Thanks for the answrs guys.
@gustavo, it does look like somehow some brake fluid has leaked on it, doesn't it?

Should I take any additional action to prevent it from causing more damage?
And is there any way to fix it? Or repaint it.

Offline athanathens

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Re: Brake fluid? Gasoline? What is it.
« Reply #5 on: Aug 01, 2021, 11:22 AM »
I have this exact same mark on my bike also , I will show you a pic later. Its coolant that  dripped from the left side of the cooling system , mine was loosing very small amounts from above the thermostat were the collar is connected to the radiator(top left). It was drops that followed the chassis left horizontal pipe and while the bike on stand fell on that exact spot.it was a very small leak though.

Solution was new oem cooling tubes ,good cleaning of the joints, and new quality tightening  material.

Offline Imightbewrong202

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Re: Brake fluid? Gasoline? What is it.
« Reply #6 on: Aug 02, 2021, 09:19 AM »
@athanathens, that explains! I was wondering so much about it as the brake fluid reservoir is on the right side and did not see any way how it could have dripped down to the left..

Do you know the product nr of the OEM tubes and tightening clips?

Did you do anything to clean it?

Looking forward to your pics!

Offline athanathens

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Re: Brake fluid? Gasoline? What is it.
« Reply #7 on: Aug 02, 2021, 10:24 AM »
The part code of the pipes was 39062 I believe for my mk1. Its easy to find , go to an online parts shop, choose year -model-cooling system and you will see all the parts with prices.
This mark cannot be cleaned buddy, I am afraid you have to repaint the whole side.
Actually both sides to match

 Sorry for the photo quality my mobile has an issue, you see the mark though.


« Last Edit: Aug 02, 2021, 10:49 AM by athanathens »

Offline athanathens

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Re: Brake fluid? Gasoline? What is it.
« Reply #8 on: Aug 03, 2021, 10:00 PM »
You can search online how the propylene glycol (coolant) degrades into several organic acids under specific conditions ( heat, oxygen , specific metal presence )  so this stain we both have is explained  logically . Its like an acidic burn  actually thats why it cannot be cleaned...
Cover repainting is the only solution
« Last Edit: Aug 03, 2021, 10:30 PM by athanathens »