D5 issues, turbo adjustment - Page 4

fgx318 · Sep 13th, 2011, 11:14

connected to the vacuum pump, mine is building up 55hg immediatly at tickover and throughout the rpm range ! What the hell is that ?! My engine behave right the opposite, the more it gets rpm the less it creates vacuum !! I'll chech everything back from the beginning, I certainly have done something wrong...

fgx318 · Sep 13th, 2011, 11:53

So just to recap, connected in line from the tgc to the turbo gauge reads 55hg at tickover and starts to decrease to finally reaches 5hg at 2500 rpm. I perform a driving test but obviously, same figures. Just to be sure, hose from the vacuum pump connects to the vacuum port of the tgc and "out" port connects to the turbo, is that correct ?
And as Bernard noticed, I feel confident with the condition of the turbo and just wonders if the vacuum pump has not a problem...

outnumbered · Sep 13th, 2011, 12:11

Quote:

Originally Posted by fgx318

So just to recap, connected in line from the tgc to the turbo gauge reads 55hg at tickover and starts to decrease to finally reaches 5hg at 2500 rpm. I perform a driving test but obviously, same figures. Just to be sure, hose from the vacuum pump connects to the vacuum port of the tgc and "out" port connects to the turbo, is that correct ?
And as Bernard noticed, I feel confident with the condition of the turbo and just wonders if the vacuum pump has not a problem...

heres a pic of what goes to where, is the gauge working in the opposite direction in your first vid it did show starting at zero.
mike

fgx318 · Sep 13th, 2011, 12:21

No Mike it started @55hg and goes to 5hg (on the video, the needle starts at 55hg on the left hand side. that is what is really odd there, vacuum decreases from idle to 2500 instead of increases.
Everything is connected according to the diagram, so no mistake here.

outnumbered · Sep 13th, 2011, 13:13

unless i am missing something completely stupid it should read about 5 hg or there abouts as you are on tickover. the vac pump runs off the exhaust cam so as you rev the vac must increase, thats my theory lol.
mike

outnumbered · Sep 13th, 2011, 13:19

in your first video the gauge needle moves up as you rev it hits furthest point in the green then starts going back .is that vac gauge okay just a thought.
http://www.youtube.com/watch?v=OB2-Bpe6lPM
mike

outnumbered · Sep 13th, 2011, 14:58

by pass the engine mounts and connect your vac gauge from the vac pump to the TCV where the engine block is and see what the figures are.
mike

fgx318 · Sep 13th, 2011, 16:55

Quote:

Originally Posted by outnumbered

by pass the engine mounts and connect your vac gauge from the vac pump to the TCV where the engine block is and see what the figures are.
mike

Mike,
The first video is with the engine mounts connected, that's why I told you I will do another video. The second one shows figures with engine mounts bypassed.
So, yes the first video starts at 5hg and raises at 55hg @1100 rpm (which correspond to the tcv closing) and the second video starts with 55hg @ tickover.

Luckily a workmate have a 2002 s60 d5 and came today with the car. I performed a few tests and finally discovered it reacts the same way than mine apart from vacuum figures being a little bit more important (70hg @ idle). It then decreases from 70 to 35 from respectively idle to 2500 rpm.

Either I have a vacuum leak which is doubtful or the turbo has a problem as mentionned by Bernard.

outnumbered · Sep 13th, 2011, 17:41

going on the figures that you have said is the VAC pump giving you enough vac, so your friends car is producing 35 hg at 2500 rpm
mike

S60D5-185 · Sep 13th, 2011, 18:27

[QUOTE=outnumbered;980499]

Quote:

Originally Posted by fgx318

Too bad Mike, I can't reply your PM until I get 30 posts, so here's my answer !

Do you mind if I call you tomorrow, I have no time tonight. Just tell me what moment you would prefer. Tomorrow morning or afternoon would be easier for me... Keep in mind that it's easier for me to write english than talk by phone but that should be ok as far as you don't have a deep northern accent and local specific vocabulary! Lol !![/QUOTE

ring me any time i am retired, i have to go shopping as SWMBO says so at 1100 so anytime before then.as for my deep northen accent ill try lol .
mike

Your a good man!

Tarquin

Sep 13th, 2011, 13:13	#35
outnumbered Lunatic from Wakefield Last Online: Apr 16th, 2023 06:33 Join Date: Dec 2004 Location: wakefield	unless i am missing something completely stupid it should read about 5 hg or there abouts as you are on tickover. the vac pump runs off the exhaust cam so as you rev the vac must increase, thats my theory lol. mike __________________ 2012 volvo xc90 Executive Buccaneer Bermuda 2021

Sep 13th, 2011, 13:19	#36
outnumbered Lunatic from Wakefield Last Online: Apr 16th, 2023 06:33 Join Date: Dec 2004 Location: wakefield	in your first video the gauge needle moves up as you rev it hits furthest point in the green then starts going back .is that vac gauge okay just a thought. http://www.youtube.com/watch?v=OB2-Bpe6lPM mike __________________ 2012 volvo xc90 Executive Buccaneer Bermuda 2021 Last edited by outnumbered; Sep 13th, 2011 at 13:23.

Sep 13th, 2011, 14:58	#37
outnumbered Lunatic from Wakefield Last Online: Apr 16th, 2023 06:33 Join Date: Dec 2004 Location: wakefield	by pass the engine mounts and connect your vac gauge from the vac pump to the TCV where the engine block is and see what the figures are. mike __________________ 2012 volvo xc90 Executive Buccaneer Bermuda 2021

Sep 13th, 2011, 17:41	#39
outnumbered Lunatic from Wakefield Last Online: Apr 16th, 2023 06:33 Join Date: Dec 2004 Location: wakefield	going on the figures that you have said is the VAC pump giving you enough vac, so your friends car is producing 35 hg at 2500 rpm mike __________________ 2012 volvo xc90 Executive Buccaneer Bermuda 2021 Last edited by outnumbered; Sep 13th, 2011 at 17:47.

Sep 13th, 2011, 11:14	#31
fgx318 Junior Member Last Online: Sep 11th, 2023 14:58 Join Date: Jan 2010 Location: Rennes	connected to the vacuum pump, mine is building up 55hg immediatly at tickover and throughout the rpm range ! What the hell is that ?! My engine behave right the opposite, the more it gets rpm the less it creates vacuum !! I'll chech everything back from the beginning, I certainly have done something wrong...

Sep 13th, 2011, 11:53	#32
fgx318 Junior Member Last Online: Sep 11th, 2023 14:58 Join Date: Jan 2010 Location: Rennes	So just to recap, connected in line from the tgc to the turbo gauge reads 55hg at tickover and starts to decrease to finally reaches 5hg at 2500 rpm. I perform a driving test but obviously, same figures. Just to be sure, hose from the vacuum pump connects to the vacuum port of the tgc and "out" port connects to the turbo, is that correct ? And as Bernard noticed, I feel confident with the condition of the turbo and just wonders if the vacuum pump has not a problem...

Sep 13th, 2011, 12:21	#34
fgx318 Junior Member Last Online: Sep 11th, 2023 14:58 Join Date: Jan 2010 Location: Rennes	No Mike it started @55hg and goes to 5hg (on the video, the needle starts at 55hg on the left hand side. that is what is really odd there, vacuum decreases from idle to 2500 instead of increases. Everything is connected according to the diagram, so no mistake here.

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