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dump valve problem

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Old Jan 15, 2006 | 11:00 PM
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Default dump valve problem

hi folks it seems that me dump valve has been leaking oil and sprayin onto the under side of ma bonnet can anyone help cheeRS
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Old Jan 15, 2006 | 11:48 PM
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Thats a result of your turbo seals being gone by the sounds of it, if theres oil flowing through the pipes the dump valve is going to let it outm just like the air!

Could also be excessive breathing bring oil out of the rocker cover through the breather system and then getting into the boost pipes, but more likely the turbo! Does it smoke at all?
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Old Jan 16, 2006 | 10:48 AM
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Mine suffers from that problem aswell but it doesn't smoke at all.

I thought it was because i'm running high boost.
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Old Feb 6, 2006 | 03:56 PM
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she smokes a little on start up but nothing to excessive m8 anybody else with some advice cheeRS SAFECHAV
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Old Feb 6, 2006 | 04:09 PM
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if it smokes on start up its your turbo, it will progressively get worse, i'd service it now before it goes past the stage of being repairbale.

I serviced mine myself...
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Old Feb 6, 2006 | 04:32 PM
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If it’s only smoking on start-up then it sounds more like valve stem seals to me.

All rst's with standard breather system or after market breather piped up to the metering unit will have oil in the inlet. The only way to prevent this is to run the pipe to a catch tank or breather filter.
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Old Feb 6, 2006 | 04:44 PM
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Originally Posted by Moonie
If it’s only smoking on start-up then it sounds more like valve stem seals to me.

All rst's with standard breather system or after market breather piped up to the metering unit will have oil in the inlet. The only way to prevent this is to run the pipe to a catch tank or breather filter.
You have a good point about the stem seals, i'd be more inclined to say it was the turbo though, because hes spraying oil out of the dump valve. Mine doesn't really get oil in the pipes......tiny little trace, and definately no spraying oil out of the dump valve though.....
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Old Feb 6, 2006 | 05:37 PM
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Was always under the impression when oil is leaking out of your dumpvalve this means your turbo is working hard (maybe wrong thou) to deal with the boost pressure
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Old Feb 6, 2006 | 10:15 PM
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Originally Posted by bigad4x4
Was always under the impression when oil is leaking out of your dumpvalve this means your turbo is working hard (maybe wrong thou) to deal with the boost pressure
When you say working hard???? Do you mean just running high boost or raping the turbo?
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