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oil coming out of the dump valve

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Old 01-01-2007, 06:55 PM
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lhd drive turbo
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Default oil coming out of the dump valve

if u get a oil coming out of the dump valve wot does this mean ?? i changed the turbo but i think it mite stilll be doing it any answers would be most welcome thanks
Old 01-01-2007, 07:32 PM
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v man
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do a compression test mate what boost does it run power etc might have broken a piston or something
Old 01-01-2007, 07:37 PM
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it runs mint and it runs a bar of boost at the mo and the compression is fine could it be crank pressure if it is how do i get rid of that? also i checked the breather system and it all seems to be fine
Old 01-01-2007, 07:40 PM
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v man
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does it have an after market breather on it ie bailey or spec r
what cooler does it have
have you looked to see if there is any oil in the cooler and boost pipes and metering unit
does it not blow blue smoke under load
Old 01-01-2007, 07:46 PM
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its all standard and it has a tiny bit of oil in the pipe dat goes from the turbo to the metering head and it doesent blow blue smoke its clear wen u boot it
Old 01-01-2007, 07:50 PM
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v man
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umm when this sort of thing happens its 99% of the time bottom end have you had an engine let go before if so this could have put oil in the cooler so when you let off it comes out the dump valve
do you have anyone near you to look at it
Old 01-01-2007, 07:55 PM
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no i avent had an engine go on me before i ave been told the piston rings mite need doing. but i dont get is it drives like a dream its starts first turn of the key every time and it boost fine no smoke or anything
Old 01-01-2007, 07:59 PM
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i would check the cooler for oil friend of mine did 3 engine changes before he found oil in the cooler
could be rings how many miles has it dun
Old 01-01-2007, 08:04 PM
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rs shawn
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Take the top and bottom hose of the intercooler and clean it out the best you can. There may be oil in there which is coming through as you lift off
Old 01-01-2007, 08:04 PM
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dat block done bout 60000 miles i ave only done bout 1000 miles on dat engine .wen u say cooler u mean intercooler? i jus thought to i brought i rocker cover for it a chrome 1 at castle combe it was sand blasted i checked the breather pipe on the left hand side and it was blocked with sand i sat there for an hour cleaning it out but it has good airflow throught it now
Old 01-01-2007, 08:07 PM
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i cleaned the top hoses but i never done the bottom 1 thnks i will do dat
Old 01-01-2007, 08:08 PM
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just another thing to which is really wried the oil never seems to go down on the dip stick
Old 01-01-2007, 08:26 PM
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m8 is it def oil coming out im just asking as when i give my car a good run i have soot and fuel coming out mine.
Old 02-01-2007, 04:04 PM
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what type of dump vavle have you got? if its the piston type then it could just be the oil they put around the piston in the vavle.
Old 02-01-2007, 06:01 PM
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i get a small amount of oil from mine, has been like it for a while now
Old 02-01-2007, 06:06 PM
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if you take the dump valve off then the oil will just be gettin sucked into engine and that will lead to det,i know ive been there,good chance youve got a breather issue,take the intercooler off and give it a good clean out,all boost hoses to,take a look in the metering head see if theres signs of oil(probably) and maybe try ventin to a bottle from the breather return to metering head,this will tell you if you have a breather prob
you could have already done damage to the engine,ie det whcih just makes it worse

also the sandblasted rocker is bound to still have bits lying about it,especially under the baffle plate at top left corner,good chances this is or has done damage too,prob bores scored or oil pump damage,again talkin thru experience mate,done same myself and went great only at high revs was it showin signs of something wrong,turned out the bottoms of the bores were all scored to fuck,deep enough for the block to be scrap
Old 02-01-2007, 06:53 PM
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its a bailey piston dump valve .
had a felling some one mite say the barrels mite be scored ,even at high revs the car is fine no miss fire no smoke no nothing and it is deffantly oil coming out only a tiny bit mind. as for the rocker cover the buffle plate was bloked completely !!!! spent an hour cleaning it ! rite pain! people say about the detenating but i dont no wot that means some one explain it to me please lol. i will take the cooler off and clean it first and go from there .any other ideas on wot it mite be would be gr8 thnks
Old 02-01-2007, 07:18 PM
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your engine might just be tired now and started to breath heavely
put a bailey breather on it to help out
could be looking at a rebuild mate
engines dont breath heavey for no reason
Old 03-01-2007, 06:03 PM
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think i will check my breather system too
Old 05-01-2007, 05:44 PM
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took the boost pipes of today and there was a bit of oil in them only a real little bit thoe and a cleaned the intercooler as well so hopefully dat will solve it
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