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Old 24-09-18, 13:10
David Herbert David Herbert is offline
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Join Date: Mar 2010
Location: Ayrshire, Scotland - previously Suffolk
Posts: 562
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This has got to be a problem in the Hydrovac unit. It would seem not to be moderating the boost to the pedal pressure so it is giving either full boost or nothing. I would look for siezed parts within the Hydrovac.

David
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