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Author People with 2.0 brakes on b
Ant
Member

Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline
4th Dec 04 at 17:20   View User's Profile U2U Member Reply With Quote

Right had my 2.0 cav calipers on my sport for a year now, the pedal was never spot on but i knew it would stop me.

I have been driving a new astra for a month or so so i am used to a perfect pedal.

Now the sport has a 20xe I need to address this feel in the pedal, I took it down the road and thought i was going to die when i put my foot on the brakes!!

There is no air in the system i am 100% sure of this, when the front calipers are clamped off the pedal feels spot on. The calipers were bought as new items from a reputable company.

What does eveyones elses brakes feel like i have about half pedal of nothing before i get any pressure.

Colud it be a problem with master cylinder? If so how much will i be looking at to fix this.
lee mitchell
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Registered: 26th Jan 01
Location: kent...drive's: eveyones conversion cars hard lol
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4th Dec 04 at 17:39   View User's Profile U2U Member Reply With Quote

are the brakes round the right way, its a common mistake that people make. u need to have it so the bleed nipples are at the top.
suchcorsa1.2_8v
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Registered: 26th May 04
Location: Wigan
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4th Dec 04 at 17:45   View User's Profile U2U Member Reply With Quote

i have a corsa B with standard brakes i have had new discs and pads on now for about 3 or 4 months and the brake fluid was changed about a month back and i still got nothing for about just under 1/2 the pedal
CorsAsh
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Registered: 19th Apr 02
Location: Munich
User status: Offline
4th Dec 04 at 17:53   View User's Profile U2U Member Reply With Quote

There's lots of parts in the corsa brake system, I hear its those that cause the slack feel, not the callipers. Got cav gsi setup and braided hoses, so once the pedal bites its solid
myke
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Registered: 7th Feb 01
Location: High Wycombe, Buckinghamshire
User status: Offline
4th Dec 04 at 18:16   View User's Profile U2U Member Reply With Quote

i've got ATE calipers with goodridge lines and they are particularly uninspiring
Adam_B
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Registered: 13th Dec 00
Location: Lancashire
User status: Offline
4th Dec 04 at 18:41   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by myke
i've got ATE calipers with goodridge lines and they are particularly uninspiring


same here
Corsalad87
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Registered: 17th Jan 04
Location: Trimdon Vill near Durham
User status: Offline
4th Dec 04 at 18:59   View User's Profile U2U Member Reply With Quote

i have ate brakes and id say i have to press halfway before i begin to feel the car slow down
BromleyBoy
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Registered: 5th Apr 03
User status: Offline
4th Dec 04 at 20:05   View User's Profile U2U Member Reply With Quote

yea i got 2.0l green stuffs, drilled grpved discs and braidied lines and mines the same
try pullin the hand brake up just a notch or two and feel the diff,its to do with the auto adjusteres are shit on the rear so i've been told
MoNkEy MaGiC
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Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
5th Dec 04 at 12:36   View User's Profile U2U Member Reply With Quote

my 2litre 16v spec brakes from v-tunning.co.uk are fine!!!!

they stop the car dead when i want them too!
and pedal feels good, not too stiff or too spongy and it comes back up quick after pressing!

and i havnt got braided hoses just standard ones and car has ABS
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline
5th Dec 04 at 12:45   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by MoNkEy MaGiC
my 2litre 16v spec brakes from v-tunning.co.uk are fine!!!!

they stop the car dead when i want them too!
and pedal feels good, not too stiff or too spongy and it comes back up quick after pressing!

and i havnt got braided hoses just standard ones and car has ABS


same set up here so what the bloody hell is wrong??
MoNkEy MaGiC
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Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
5th Dec 04 at 12:55   View User's Profile U2U Member Reply With Quote

im really not sure mate
could be anything.. hoses, bigger wheels, ABS, brake drum, brake bias, brake fluid, master cylinder etc???

how does the pedal feel exactly? does the ABS work fine?
have you tried bleeding them again but using completely new brake fluid??
broster
Premium Member

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Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
5th Dec 04 at 14:33   View Garage View User's Profile U2U Member Reply With Quote

people say teh same with the v6 ones however mine always stop me dead and the feel is ok.
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline
5th Dec 04 at 19:22   View User's Profile U2U Member Reply With Quote

I think the rears are ok had them apart and re adjusted them,

Thing is i nowproblem is at the front cos with the fronts clamped off the pedal is good and hard,

With the system open the pedal is very low, you have to pump the pedal to bring it up but even then there is a lot of travel before you feel the stoping power.
BromleyBoy
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Registered: 5th Apr 03
User status: Offline
7th Dec 04 at 20:50   View User's Profile U2U Member Reply With Quote

tried using a bigger servo?
AdamF
Premium Member

Registered: 24th Apr 02
Location: Bexhill, East Sussex
User status: Offline
7th Dec 04 at 21:33   View Garage View User's Profile U2U Member Reply With Quote

there is still air in the system then? vauxhalls are a night mare to bleed.

clamp off both front hoses then release one clamp and open the nipple and get someone to push the peddle down and hold it there, while you close the nipple then clamp the hose off again (allthis time with the peddle down and the clamp on the other side), when the nipple is closed you can bring the peddle up slowly keep doing this a few times then the other side and see if you get a better peddle

[Edited on 07-12-2004 by AdamF]
X 60RSA
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Registered: 20th Aug 01
Location: Lincoln
User status: Offline
7th Dec 04 at 21:53   View User's Profile U2U Member Reply With Quote

Mine were a pain, my seals had gone in my back drums, nothing severe but did cause a real spongy feel when hitting the brakes. Now on EBC discs and pads, they stop me really well when they get a little heat in them.

Do suggest bleeding the brakes or replacing with new fluid as well, worked a treat on mine, had no problems since.
bazgooch
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Registered: 25th Mar 01
Location: Bracknell
User status: Offline
7th Dec 04 at 21:59   View User's Profile U2U Member Reply With Quote

I'm runnin 16v calipers wiv ebc discs an pads with goodridge hoses on me nova an they are absolutely spot on







Ant
Member

Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline
9th Dec 04 at 16:57   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by AdamF
there is still air in the system then? vauxhalls are a night mare to bleed.

clamp off both front hoses then release one clamp and open the nipple and get someone to push the peddle down and hold it there, while you close the nipple then clamp the hose off again (allthis time with the peddle down and the clamp on the other side), when the nipple is closed you can bring the peddle up slowly keep doing this a few times then the other side and see if you get a better peddle

going to try this on sat morning thanks for the advice!
[Edited on 07-12-2004 by AdamF]
AK
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Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
9th Dec 04 at 17:24   View User's Profile U2U Member Reply With Quote

i have 300mm 4pot HiSpecs. My heed hits the window if i brake

Use the std master cly too
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
9th Dec 04 at 22:39   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by lee mitchell
are the brakes round the right way, its a common mistake that people make. u need to have it so the bleed nipples are at the top.


my bro made this mistake. it was only that i had about it on here before that we managed to work out why they were crap.
Siberia
Member

Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline
10th Dec 04 at 08:13   View User's Profile U2U Member Reply With Quote

ive got v6 ones on mine... theyve never really been right.... dont get me wrong they stop ya dead if ya want them to... but its seems like i bleed them... they work fine fore a week or so and then they feel spongy....

they felt even worse when i left them to a garage to bleed.

i tryed pushing them there last week when i was stoped in traffic and the pedal just keeps going down and down till its nearly on the floor....

the important thing is they do stop me quickly though.
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline
12th Dec 04 at 22:52   View User's Profile U2U Member Reply With Quote

still no luck my mechanic seems to think he can fix the problem by adjusting a rod at the bottom of the pedal (v tuning have also told me this) but this maybe a tricky job
Ant
Member

Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline
4th Feb 05 at 22:43   View User's Profile U2U Member Reply With Quote

still cant get these bloody brakes to work right the will lock up but the pedal feel is atrocious i would say bordering on dangerous dont know the hell to do!!

[Edited on 04-02-2005 by aritchie]
broster
Premium Member

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Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
4th Feb 05 at 22:47   View Garage View User's Profile U2U Member Reply With Quote

you got braided lines man, i remember this post..............
GED2.0CORSA
Member

Registered: 28th Apr 04
Location: Mintlaw, Aberdeenshire
User status: Offline
4th Feb 05 at 23:29   View User's Profile U2U Member Reply With Quote

i had exactly the same problem with mine go to ur nearest halfords and invesy in a ezzi bleed system peice of piss to use sorted my 2l calipers out np

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