C3wrb

Hi, I am going to be changing brake lines and brake pipes so guess this is good time to change brake fluid.
I have 2x 1 litre bottles of dot 4, just wondered if this is ok? And how much do I need?
Any advice or tips would be good. Thanks.

GreenmanS2000

I'd like to see you change pipes and hoses without changing the fluid

CynicG

I suppose it depends on why you are changing lines etc? If you're changing hoses for something more heat resistant, then it would make sense to go for ATE Super Blue or RBF600 which have a higher boiling point and therefore performance impact.

Dembo

WHS. 2 litres will probably do but your whole system will be full of air. Don't waste the good stuff on the initial bleed.

C3wrb

Yes I did know I had to change fluid I'm not a mechanic but knew that. I am only changing lines because they are corroded. So just general use fluid would be fine.

.olli.

I have always heard that 1L was enough for a full bleed
I have just bought 2*500ml of Motul RBF600 so I will soon know if I should have bought more!

steveSC2

I used 1L of ate super blue for a full bleed,and had enough left to do the clutch.

S2Krazy89

http://www.torquebrakefluid.com/comp...ke_fluids.html

gbduo

I just use Castrol DOT4.

I spend the majority of my time driving on the road and don't need the high boiling point of a racing brake fluid as you hardly use the brakes on the road. If I go to a track, I just change the fluid anyway.

Much cheaper...

Ultra_Nexus

On fresh fluid you'll get pad fade before fluid fade. And the more expensive the fluid, the more often it needs to be replaced. I used to alternate between the Castrol Response dot4 and ATE Super blue.

Both were similar price and it was easy to see when I'd flushed the old one out

1 litre should be easy enough as a few people have said.