Brake Fluid Change
Hi All,
Looking at changing my brake fluid. I've had 2l of Racing Brake Fluid 300 Plus sitting about for ages now. Not 100% confident in doing a full drain and bleeding of the brakes. However, Could I empty reservoir, top it up. And repeat the process a few times over and have the same overall results? |
If you mean syringing the reservoir then replacing that fluid with new and repeating that then i dont think it will work.
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Originally Posted by LewisScoob
(Post 12056109)
If you mean syringing the reservoir then replacing that fluid with new and repeating that then i dont think it will work.
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Your old fluid will still be in the lines it has to be bled through otherwise a pointless exercise. You'll have fresh fluid in the reservoir only.
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Originally Posted by hackisfun
(Post 12056111)
I know it wont get me 100% new fluid into the system but 90% new fluid in the system has to be better than old degraded fluid?
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cheers for the info everyone
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by not changing brake fluid regularly as in two years the bleed nipples are more likely to get stuck and therefore a risk of snapping off , plus as above a full bleed from the callipers is needed , i was always told bleed the calliper the furthest from the servo and work your way in towards the servo the last one bled being the nearest to the servo , the fluid you have unless it’s fully sealed and not been opened then don’t use it
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Wouldn't do it that way - I read something a while back about how little moisture needs to be in brake fluid to create steam which can really ruin your day or someone elses. I wouldn't take the chance if you can't do it properly yourself, give Johnny Scott (Scotts Garage) a bell in Dundonald, that way you'll know its done and done right.
By the way, its not a difficult job if you read up how to do it, have someone to help and keep topping off the reservoir with fresh fluid. |
It really is pretty simple if you have someone to help - say press, open the bleed valve, close bleed valve, say release. Repeat on each wheel. To fully bleed a system will be well less than 1 litre. I just rebuilt my brakes (so had to fill the whole system from scratch including getting lots of trapped air out and it was less than 1 litre to do. Don't stress and be patient, but don't let the fluid resorvoir run dry - as a rough approximation I'd say a full fluid flush on each wheel is about 1 resorvoir full. But if you use a clear hose then you should be able to see the colour change if it's been in there a while. Also, get yourself a GOOD QUALITY 10mm flare wrench. If you don't have that then you can use a 10mm 6 point socket to crack them open and then revert to a normal ring spanner for the open/close sequence as you're not swinging on them, just nipping them up.
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