gadget Posted June 22, 2014 Share Posted June 22, 2014 Another day, another problem. I've spent pretty much all day trying to get the turbo oil drain to seal. I've used all of my gasket stash (5 allmakes PR2 PNT100030) and no matter what i do i cannot make it oil tight. I've tried the gaskets both ways up, two together, different bolts, different ways of tightening the bolts and slightly higher torque than specified. The faces of the return pipe look fine. Same with the mating face on the turbo housing. Both have been cleaned many times too. I'm out of ideas now Quote Link to comment Share on other sites More sharing options...
ajh Posted June 23, 2014 Share Posted June 23, 2014 Is the drain plugged between the top and the sump? If the oil can't make it to the block pressure will build up. Quote Link to comment Share on other sites More sharing options...
Maverik Posted June 23, 2014 Share Posted June 23, 2014 what engine are we talking about? - sounds like something is cracked too me... Quote Link to comment Share on other sites More sharing options...
Roverdrive Posted June 23, 2014 Share Posted June 23, 2014 Are you sure it is the gasket? I just had a similar issue with the supply hose itself being incorrectly crimped, and allowing the oil to leak down on to the return hose intermittently. Quote Link to comment Share on other sites More sharing options...
gadget Posted June 23, 2014 Author Share Posted June 23, 2014 Is the drain plugged between the top and the sump? If the oil can't make it to the block pressure will build up. I don't think the drain is blocked. Wouldn't a blocked drain cause the turbo to dump oil into the exhaust/inlet? I'll check the drain though to make sure. Quote Link to comment Share on other sites More sharing options...
gadget Posted June 23, 2014 Author Share Posted June 23, 2014 what engine are we talking about? - sounds like something is cracked too me... TD5 engine. I didn't see anything obviously cracked. (Don't forget to read the PM i sent you a while ago) Quote Link to comment Share on other sites More sharing options...
gadget Posted June 23, 2014 Author Share Posted June 23, 2014 Are you sure it is the gasket? I just had a similar issue with the supply hose itself being incorrectly crimped, and allowing the oil to leak down on to the return hose intermittently. I'm reasonably certain that the leak is from the gasket area. I get different leak rates depending on how i fit the gasket(s). I've changed the upper copper washers and reseated the feed line to be sure it wasn't that. The upper case on the turbo housing seems dry. Quote Link to comment Share on other sites More sharing options...
gadget Posted June 24, 2014 Author Share Posted June 24, 2014 Had the return pipe off and checked with a straight edge. The turbo flange had twisted Refaced it and everything looks oil free Quote Link to comment Share on other sites More sharing options...
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