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no brake boost

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Old Nov 16, 2018 | 02:55 AM
  #1  
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Barons knight
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From: Hamilton
Angry no brake boost

hi All my 1989 cosworth has no power brake boost the pedal is rock hard and the pump is running but no brake boost any help would be very much appreciated
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Old Nov 16, 2018 | 05:28 AM
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grcossie
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From: norway
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Pressure switch at abs unit is a common fail. It can also be the + wire from battery to abs pump.
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Old Nov 16, 2018 | 07:01 PM
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Barons knight
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From: Hamilton
Default Cosworth brake problem

Originally Posted by Barons knight
hi All my 1989 cosworth has no power brake boost the pedal is rock hard and the pump is running but no brake boost any help would be very much appreciated
Hi grcossie
Many thanks for your help i will give your suggestions a go
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