Is it time for a brake fluid flush?

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Fluids are completely changed out ever 2 years in my cars. Between my 10 year old and me we can get them done pretty quickly. This past weekend the F100, the Mustang, and the Park Lane were done. This weekend the Cougar and the Polara.
 
I noticed my new 2019 VW manual, it says 3 yr for the first flush, 2 yr subsequently.

This is consistent with my thinking on the subject. In new lines, there's no corrosion to resist.

imo, it depends a lot on your climate and parking. Here in the country, everything outside gets soaked with dew almost every night including my cars. otoh, my mother parks in a heated garage in the middle of a urban city heat island. I doubt fluid in her car accumulates moisture the same as me, 90 miles away.
 
20 years or so...?

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Most manufacturers in the UK specify 2 year brake fluid changes, it is a commonly ignored service though.

Our yearly vehicle inspections include a test on the brake fluid in the reservoir to check for water content, if it's over a certain level then the car fails the test.
 
Originally Posted by Zolton
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What am I looking at...a bottle of Listerine or a yard in need of picking up?🤔
 
Ppl will spend $25+ on a jug of overkill oil or $15 on a bottle of moly or $20+ on a bottle of wax but won't fork out the $10 or $15 every two or three years (doing it yourself) too have fresh brake fluid..I just don't get it....«

Weird priorities...but to each his own I guess.
 
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I was in the camp of never doing it, but I just bled the calipers and flushed the full system on my sonata, at 80k.

The fluid from the front calipers was jet black.

I bled with DOT4 Supertech fluid and have great pedal feel after.

I plan on doing my wife's car after I get a better jack situation in the new house.
 
Originally Posted by JustinH
I was in the camp of never doing it, but I just bled the calipers and flushed the full system on my sonata, at 80k.

The fluid from the front calipers was jet black.

I bled with DOT4 Supertech fluid and have great pedal feel after.

I plan on doing my wife's car after I get a better jack situation in the new house.

That fluid had seen better days...Water, contaminants like dirt or rubber and heat over time beat up on the fluid and can lead to corrosion, air and a soft brake pedal.

It's not urban legend.. it's science...... and for the sake of everyone else on the road, change your fluid regularly people!
 
Originally Posted by Mad_Hatter
Originally Posted by Zolton

What am I looking at...a bottle of Listerine or a yard in need of picking up?🤔


No, you're just looking for something ignorant to say. Do you whine about your neighbor's yard too? That's why I don't have neighbors.
 
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