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Help Please - Engine Oil Leak TDV6 Manual - with photos
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BLFarrar
 


Member Since: 02 Aug 2006
Location: Deepest, Dankest, Darkest, Dingiest......Le Halifax, West Yorkshire...with strong links to Ireland
Posts: 6222

France 2006 Discovery 3 TDV6 HSE Auto Lugano TealDiscovery 3
Just a question...well a few really

Ade wrote:
.... it will be from the oil seals gone in the turbo
....The turbo is oil cooled/lubricated, so has an oil feed passed through it.
....The seals keep the oil flowing through,
...but if they are gone, they will pass oil through to the core wheels.
...Then when the air is being blown around the intercooler, it circulates the oil as well


Does the turbo actually have "oil seals"...I mean lip or "gits" seals...?
I realise the tubo is a two part device with a rotor that is gas turbine one end & a compressor wheel the other & has a centre bearing (oil pressure fed)...that has to have seals of some sort....but are they non metallic form
Whats bugging my thoughts on this is if there is an oil seal as such how does it cope with the heat of the turbine end...an automotive Turbo gets to a (very) high temperture in use & the rotor spins at a high speed (often in excess of 100k revs/min)
Maybe I'm wrong but are the seals "labrinth type that use accurate machining of clearances & clever grooves to seal as opposed to a actual non-metal "seal"....

Trying to suss out some data & got this site:
http://turborepairs.com/faults.html
......worth looking as it has some good flow charts

Has anybody used them ?
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Post #105881920th Feb 2013 8:05 am
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