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 Changing brake fluid 
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Firing on two.
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Joined: May 16th, 2010, 5:04 pm
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Post Re: Changing brake fluid
samfieldhouse wrote:
I would certainly replace the master cylinder if it showed any signs at all of not being up to muster.

I bleed the farthest cylinder first yes?


Yup, longest first, finish with the shortest.


March 15th, 2011, 12:44 pm
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Firing on two.

Joined: April 22nd, 2009, 11:06 pm
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Location: Ecosse
Post Re: Changing brake fluid
samfieldhouse wrote:
I would certainly replace the master cylinder if it showed any signs at all of not being up to muster.

I bleed the farthest cylinder first yes?


yes thats the "perceived wisdom" but 2cvs, as always, are different in only having a single circuit to the rear and so both rears are equidistant so makes no odds what one you start with.

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March 15th, 2011, 12:47 pm
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Firing on two.
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Post Re: Changing brake fluid
Since the suggestion to use a simple tool costing less than 20 quid seems to be controversial can someone explain to me how bleeding on the pedal yields a superior result?

As far as I can see there are a few advantages to power bleeding the brakes and no downsides, other than having to buy the tool.

You can bleed the brakes on your own.

It is much quicker.

You can entirely purge the system easily. I find you end up with a better pedal as you're not restricted to the amount of fluid the master can move in one stroke. Bubbles can't travel back to high spots between strokes as you get a continuous flow of fluid.

Especially with a DOT 4 system the brakes should be bled through regularly as the fluid is hygroscopic. It is a given that the master should be in excellent condition. However I don't see the point in sendiing the seals down normally never travelled part of the bore once year.


March 15th, 2011, 1:20 pm
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Firing on two.

Joined: April 22nd, 2009, 11:06 pm
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Post Re: Changing brake fluid
I just said i din't like them.
Quote:
...other than buying the tool
-see I'm Scottish so thats a big NO-NO right there. :lol:

I dont like milk or cats either but plenty people do.Its not controversial, its just from where im standing going out to buy a bit of kit thats going to leak fluid when it falls over on the bench, reqires me to dig out a spare tyre or find the right cap when the tube with the valve is in the middle top drawer in the tool box.....im just lazy arent I :roll:

I dont think bleeding on the pedal does make for a better pedal, and there may be more to get wrong, I just use a bit of fuel pipe with a one way valve that was left over from a VW fuel system I use it cause I have it and I get good results from it. I don't have an easzy bleed so that would require a bit of extra effort on my behalf.

Sean

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March 15th, 2011, 1:38 pm
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Agony Aunt - You have a car problem? Speak to Ken

Joined: March 6th, 2009, 1:40 am
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Post Re: Changing brake fluid
Unless it's a 'rubber brake hose' model, where the rear 3 way isn't located centrally? ;)

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March 15th, 2011, 2:20 pm
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Post Re: Changing brake fluid
ken wrote:
Unless it's a 'rubber brake hose' model


Which Hetty is...

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March 15th, 2011, 2:22 pm
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Post Re: Changing brake fluid
Not done too well on this thread have I?
. /\
./D\
Sean :lol:

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March 15th, 2011, 8:01 pm
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Location: Meneac, Bretagne France
Post Re: Changing brake fluid
Sean wrote:
Not done too well on this thread have I?
. /\
./D\
Sean :lol:



:lol:

Don't worry mate. It makes no bloody difference on rear brakes older style which side you bleed first. I've done the short side first and then the long side with same result. It may be different on other cars but not A models.

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March 15th, 2011, 8:06 pm
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Firing on two.
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Joined: February 11th, 2009, 12:32 am
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Post Re: Changing brake fluid
Well its all done :)
All by myself :D
With a bit of tube and a non return valve.

I started at the rear near side, then went to rear O/S, front O/S, and then near O/S.

No problems, all went swimmingly - once I'd discovered what a brake bleed nipple looks like :lol:

Hetty now has lovely clean brake fluid :)

Thanks to everyone for your help and advice :D


March 15th, 2011, 11:21 pm
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Post Re: Changing brake fluid
Well done, Sam! On the road for easter?


March 16th, 2011, 9:41 am
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