V50 Engine 2.0D : - No boost at low rpm - Page 2

Rup1 · Jul 16th, 2015, 22:26

Hi sorry to be a pain.
I am suffering from lack of boost we changed a couple of vacuum hoses.
Long story we got a touch confused on the reassembly of these to their exact position.
There are in total I think 8 sockets.
As you look at the engine bay from front.
2 bottom left 2 more bottom left just to right of those so 4 in total bottom left then 2 in centre top which then lead to two t junctions one of which goes to turbo and the others to air intake.
Does anyone know how to exactly find out which pipe goes where exactly.
I fear I have done more damage than good as now the turbo is not kicking in at all the pipe from the control valve backwards round the engine is holding pressure and all other pipes are new now so I guess all is not lost but I am still driving a car with no turbo still and is becoming increasingly annoying after it running totally fine. I think this has all come about from breaking to hard whilst on boost maybe. Or a split pipe. The two centre vacuum pipes before the two t pieces attached looked rather tired upon removal. Any guidance or a diagram would en very useful indeed. And yes next time listing down where pipes connect would be start sorry to be so useless

ELO · Oct 23rd, 2015, 19:55

Did anyone in this thread get to the bottom of their low boost issues??

alfadave11 · Oct 24th, 2015, 14:56

you need to check vacuum hoses and that the actuator is travelling to its default position ...you will see this from under the car on ramps when you start it ...the push rod will move approx 15mm smoothly

Jul 16th, 2015, 22:26	#11
Rup1 New Member Last Online: Jul 18th, 2015 01:26 Join Date: Nov 2009 Location: nottingham	V50 vacuum hose diagram 2005 2.0D Hi sorry to be a pain. I am suffering from lack of boost we changed a couple of vacuum hoses. Long story we got a touch confused on the reassembly of these to their exact position. There are in total I think 8 sockets. As you look at the engine bay from front. 2 bottom left 2 more bottom left just to right of those so 4 in total bottom left then 2 in centre top which then lead to two t junctions one of which goes to turbo and the others to air intake. Does anyone know how to exactly find out which pipe goes where exactly. I fear I have done more damage than good as now the turbo is not kicking in at all the pipe from the control valve backwards round the engine is holding pressure and all other pipes are new now so I guess all is not lost but I am still driving a car with no turbo still and is becoming increasingly annoying after it running totally fine. I think this has all come about from breaking to hard whilst on boost maybe. Or a split pipe. The two centre vacuum pipes before the two t pieces attached looked rather tired upon removal. Any guidance or a diagram would en very useful indeed. And yes next time listing down where pipes connect would be start sorry to be so useless

Oct 23rd, 2015, 19:55	#12
ELO Junior Member Last Online: Aug 30th, 2017 13:53 Join Date: Aug 2015 Location: Baltimore	Did anyone in this thread get to the bottom of their low boost issues??

Oct 24th, 2015, 14:56	#13
alfadave11 Senior Member Last Online: Jan 21st, 2016 19:35 Join Date: Sep 2015 Location: wirral	you need to check vacuum hoses and that the actuator is travelling to its default position ...you will see this from under the car on ramps when you start it ...the push rod will move approx 15mm smoothly

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