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#129145 23rd Apr 2006 8:48pm
Joined: Nov 2005
Posts: 584
Smartchild
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Smartchild
Joined: Nov 2005
Posts: 584
confused i have fitted the dump valve and sounds ok but i have found that it stays open i little bit and this make the revs drop so the dash lights come on.
its only for a second and has cut out once which is no good as i have a turbo timer fitted ive looked for leaks and found none and ive changed the vac hose to a better one but still it doesnt close any ideas. think


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#129146 24th Apr 2006 7:47am
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Deffo sounds like a Dump Valve leaking problem.

What make is it? Is it a piston type? Maybe try a stiffer spring / streach the spring in it already smile


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#129147 24th Apr 2006 9:01am
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Smartchild
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sorry dont know the make (piston type)
i have put the stiffer spring into the unit and still the same i have noticed that the rubber O ring makes a tight fit would it help if i greesed up the O ring?

there are two O rings one at the base and one half the way up.


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#129148 24th Apr 2006 9:31am
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Kinda kard to tell from the pic in you MMC topic what type of valve it is, but theres a good chance it may not be the right type for the car and hence your getting an air leak causing the low idle problem frown


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