fiestaturbo.com

[sam-si]

i have a mk3.5 fiesta si with abs. the brakes are crap. now i want to put a mk1 mondeo brake servo/ master cilinder and resivior on, and use the rear brake bias off a xr2i i have floating about (the part bolted to the nsf inner wing) and use the front metal brake lines to nsf and osf wheels out the xr2i. the back brake lines i'm keeping as standard fiesta si mk3.5 brake lines.

will all this couple up ok? and work well?
cheers sam

[DanFraser]

Yeah it'll work fine, except I'd use the bias valves that are directly on the mondeo master cylinder. In fact that is what I did aside from the pipes as I replaced all of those with new anyway.

[sam-si]

Yeah it'll work fine, except I'd use the bias valves that are directly on the mondeo master cylinder. In fact that is what I did aside from the pipes as I replaced all of those with new anyway.

cheers fella! much apreshiated! you notice much difference?
also cost about £30 yer?

so is it better to use mondeo bias instead of standard xr2i bias?

[sam-si]

also would the mk3,5 fiesta brake resivior fit the mk1 mondeo brake master cylinder? would it work and what effect?
cheers sam

[DanFraser]

I don't actually know about the reservoir though. The connector on the mondeo reservoir is the same (you can even use the built in one if it has it instead of the cap) and the mondeo one does tilt further back so you have to have some fluid coming up the filler neck to balance it out.

You could still use the XR2i bias if you want, don't think it does make a difference though.

And yes, it does make a difference. Upgrade those pads and disks though, one heavy breaking session and you could easily cause a little wear and tear on some cheap ones.

[AW3K]

i wrote a guide on this

http://www.fiestaguides.co.uk/content/m ... inder.html

you need mk1 mondy stuff, non abs non hydrolic clutch.

i have the mondy and xr2i bias on mine as i have focus rear discs


Andy

[sam-si]

I don't actually know about the reservoir though. The connector on the mondeo reservoir is the same (you can even use the built in one if it has it instead of the cap) and the mondeo one does tilt further back so you have to have some fluid coming up the filler neck to balance it out.

You could still use the XR2i bias if you want, don't think it does make a difference though.

And yes, it does make a difference. Upgrade those pads and disks though, one heavy breaking session and you could easily cause a little wear and tear on some cheap ones.

cheers fella i have brembo brake disks and pads.

[sam-si]

i wrote a guide on this

http://www.fiestaguides.co.uk/content/m ... inder.html

you need mk1 mondy stuff, non abs non hydrolic clutch.

i have the mondy and xr2i bias on mine as i have focus rear discs


Andy

cheers fella i did read that then i got halfway through it and i was like we were using connectors now were using unions?!? but got the rough gist its a good guide thanks what happens if you put a abs master cylinder on it by mistake then? and did the rest as non abs?

[sam-si]

i wrote a guide on this

http://www.fiestaguides.co.uk/content/m ... inder.html

you need mk1 mondy stuff, non abs non hydrolic clutch.

i have the mondy and xr2i bias on mine as i have focus rear discs


Andy

cheers fella more awake now so understand it (which is handy!) now when you say about the xr2i brake bias valves you said;

'The Mk3 XR2i has a brake bias valve fitted to the inner wing meaning that the pipe unions are the wrong way around,
I decided to take the pipes off from the master cylinder to the bias and copy them
in copper tube using the correct fittings on the end, simple job if you have a flaring tool. '

did you do this because the size of the connectors are wrong (opposite way round on sizes)
or
the fact that the bias valves are the wrong way round to make it a 'cross over' (i.e osf / nsr & nsf / osr ) hence swapping the rear pipes over as they go onto the mastercylinder, then needing to change the connectors so to fit the opposite way round? cheers for your help!

[Tweek]

I put one of these on mine just before Xmas. Not tried it yet though but all I did was swap the wrong-sized connectors for larger ones and screwed them in.

[sam-si]

I put one of these on mine just before Xmas. Not tried it yet though but all I did was swap the wrong-sized connectors for larger ones and screwed them in.

see on mine i have xr2i brakes on it (front half and the bias part) now when i put the mondeo master cylinder set up on all the pipes fit in the current positions? so is that fine as in all the conectors fit fine, of have i got to still swap the rear two to be opposite!

[Tweek]

Dunno, not heard that before lol. In my mind I thought on earlier mk3s with external bias valves that the bias valves could just be removed from the servo and the ones on the wing reconnected as normal...

[sam-si]

so what i'll do then is this roughly; imagine this is the pipes on the master cylinder:

/nsf\ / osf\
____________________________/servo\
master cylinder
___________________________
\osr/ \nsr/
& &
bias bias

that in right order?

[AW3K]

hi sam sorry i didnt get back sooner, not reight well.

the position of the pipes on the mondy are exactly same as the fiesta,

the connection bits are different size, hence why i made the new pipes from the bias.

oh abs one only has 2 ports for the pipes

id get a better pic but my car is about 8miles away at the min.

Andy

[sam-si]

hi sam sorry i didnt get back sooner, not reight well.

the position of the pipes on the mondy are exactly same as the fiesta,

the connection bits are different size, hence why i made the new pipes from the bias.

oh abs one only has 2 ports for the pipes

id get a better pic but my car is about 8miles away at the min.

Andy

cheers mate i'm sure if i have put them round the wrong way it either won't blead propperly or it'll feel wrong? i'll soon find out!

[AW0L]

the ports sould be as follows...

from the servo.

top - d/s front
bottom - p/s rear

front two ports

top - p/s front
bottom - d/s rear

bottom 2 have the bias valves

if you put the pipes so that d/s f&r on same circuit car will be unbalanced with breaking and will pull to one side and most likey spin, they are set opposites to prevent that

there are 2 ports on the mondeo master cylinder that are 12mm ports, and require a new pipe made to fit to the fiesta, other 2 ports are 10mm and fiesta pipes go straight in.

[sam-si]

the ports sould be as follows...

frorm the servo.

top - d/s front
bottom - p/s rear

front two ports

top - p/s front
bottom - d/s rear

bottom 2 have the bias valves

if you put the pipes so that d/s f&r on same circuit car will be unbalanced with breaking and will pull to one side and most likey spin, they are set opposites to prevent that

http://www.fiesta-si.com/forums/viewtop ... &start=640


i'll soon find out tomorow i'll take it for a test drive!

there are 2 ports on the mondeo master cylinder that are 12mm ports, and require a new pipe made to fit to the fiesta, other 2 ports are 10mm and fiesta pipes go straight in.

[sam-si]

all works reallyu well today cheers all!