brake fluid ?

tarkus · Post by **tarkus** » Thu Apr 27, 2006 2:35 pm

OK what is the best brake fluid for normal running about, not track work or racing around of any kind(thats cus I'm an old fart)

if I upgrade do I need to do a double flush, meaning flush with the new fluid then flush again

just to make sure that all the old fluid is replaced.

Tarkus (robert)

Boris · Post by **Boris** » Thu Apr 27, 2006 3:33 pm

It doesn't really matter what type you use.
Defently use DOT4, DOT5 I find doesn't last as long.

Around the city you will not notice the diffrence!
But if you want a good one is made by Motul, can't remember the specific name, it's for racing use, but it is really good and is a DOT4.

You shouldn't have to do a double flush, i think 1 bottle of brake fluid should be fine to do a system flush. You can do a double one, but it is not really neccessary.

SchumieFan · Post by **SchumieFan** » Thu Apr 27, 2006 5:54 pm

just use dot4

id be more worried about pads and calipers than fluid

akuma3 · Post by **akuma3** » Thu Apr 27, 2006 6:29 pm

how much does the motul one cost around?

pimped · Post by **pimped** » Fri Apr 28, 2006 12:28 am

how do you flush your brake system? I always wanted to but dunno how

SchumieFan · Post by **SchumieFan** » Fri Apr 28, 2006 8:32 am

1) why?
2) um.... empty it out and fill it again, drive it 10k's then empty it out again

Post by **Bennoz** » Fri Apr 28, 2006 10:46 am

Brake fluid is Hydroscopic - meaning it absorbs water. Over time if it absorbs to much water, you get a squishy pedal as water is compressible as opposed to brake fluid. I did a how to on flushing it a while ago, you'd have to search for it. There is a certain technique to it.

SchumieFan · Post by **SchumieFan** » Fri Apr 28, 2006 10:51 am

hmmm after 160XXX ks i bled my brakes for the first time, no air in them, no water. how the hell do you get water in there?

guess im just lucky

Boris · Post by **Boris** » Fri Apr 28, 2006 1:19 pm

SchumieFan wrote:hmmm after 160XXX ks i bled my brakes for the first time, no air in them, no water. how the hell do you get water in there?

guess im just lucky

Although you wount see the water, there will be small water particles in the fluid. Over time the chemical make up of the fluid will also degrade reducing the boiling point of the brake fluid.

Thats how i understand it anyway.

Breza · Post by **Breza** » Wed Jun 14, 2006 9:07 am

Although you wount see the water, there will be small water particles in the fluid. Over time the chemical make up of the fluid will also degrade reducing the boiling point of the brake fluid.

Unless you use something synthetic like Castrol SRF.............

An expensive option but I have never had any problems in any of my cars.

Cheers

Chris

Jono · Post by **Jono** » Wed Jun 14, 2006 2:02 pm

have a look at www.motul.com

i think its motul rbf 600 i use it all the time, on track, on street