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My brakes are doing my head in Help please.

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Old 16-11-2009, 05:31 PM
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Rollin Rides
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Default My brakes are doing my head in Help please.
I have this strange problem with my 2wd cosworth.
When you start the car the Abs light goes out as normal but the pedal goes rock hard when pressed then seconds later the Abs light comes back on and the pedal is fine.
Please any one with any ideas please help.
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Old 16-11-2009, 06:34 PM
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fatmike
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sounds like the priming pump playing up
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Old 17-11-2009, 07:48 AM
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carl/saff
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Does the red warning light come on to tell u that u have low pressure in the system ? check the relays , mine had this while driving and was the distrubtion block failure !
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Old 17-11-2009, 06:12 PM
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I have had the same problem for the last week.
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Old 17-11-2009, 09:20 PM
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Rollin Rides
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Originally Posted by PYE WHITE
I have had the same problem for the last week.

I have finally got the thing bk on the road and it still wants more money Lol!!! May be its an shit sensor.
im going to try and bleed them up again. Have you done anything to your brakes recently?
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Old 18-11-2009, 01:58 PM
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finally being the word

we must get my engine out dave
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Old 18-11-2009, 02:28 PM
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I had this on my Sierra, changed pressure switch on abs unit, and perfect after. I used on from a Scorpio unit
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Old 18-11-2009, 03:30 PM
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Originally Posted by Rollin Rides
I have finally got the thing bk on the road and it still wants more money Lol!!! May be its an shit sensor.
im going to try and bleed them up again. Have you done anything to your brakes recently?
still doing mine ,braided lines, new discs pads,..........
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Old 18-11-2009, 04:02 PM
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Sorry my brakes work fine, but the abs light comes on 10 seconds after setting off on a journey. The light does go out but then comes back on again, does that sound like the pressure switch on abs unit?
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Old 19-11-2009, 07:44 AM
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Originally Posted by grcossie
I had this on my Sierra, changed pressure switch on abs unit, and perfect after. I used on from a Scorpio unit
Where do you get one from new?
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Old 19-11-2009, 09:48 AM
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Originally Posted by Rollin Rides
Where do you get one from new?
I had a used Scorpio unit, where pressure switch came from. They are easy to find
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Old 23-11-2009, 04:55 PM
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Originally Posted by carl/saff
Does the red warning light come on to tell u that u have low pressure in the system ? check the relays , mine had this while driving and was the distrubtion block failure !
What red light is this? cheers dave
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Old 23-11-2009, 05:51 PM
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The tri purpose hand brake, fluid low, and also tells you when the system is low on pressure where ABS is fitted.

Martin
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Old 24-11-2009, 06:32 AM
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This could show up a faulty relay as i have removed the 4 pin purple relay and the abs light comes on as well ,[ 4 pin purple / 5 pin purple / 4 or 5 pin green will have to remove this one to check- under dash passanger footwell] abs and low pressure warning light come on after 4/5 hard presses on the break pedal as this relay has been removed . I am awaiting a new abs loom from Carlooms mine is not any use since we pluged in a snap on fault code reader and fried it
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