so ... the engine has been running and, as DM says, if it went through the turbo it would be carnage.
is it possible it DIDN'T get sucked in at all and is lurking somewhere out of sight ?
1st Nov 2020 8:02 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 4657
Well that's the thing, he hasn't said if the engine was started or how heavy the rag is (was )
It should be easily retrievable if its still in the intake pipe.yµ (idµ - eAµ) ψ=mψ
1st Nov 2020 8:05 pm
LittleG
Member Since: 21 Sep 2013
Location: Wombourne
Posts: 389
DiscoDaz29 wrote:
The engine has definitely been started but only idling.
1st Nov 2020 8:34 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 4657
I missed that chances are it's either stuck in the turbo or confetti in the intercooler.yµ (idµ - eAµ) ψ=mψ
1st Nov 2020 8:43 pm
DiscoDaz29
Member Since: 01 Feb 2020
Location: Kent
Posts: 26
Hi all,
Thanks again for helping.
When the engine was running the hose attached to the engine (near air filter box) was flattened and the engine sounded like it was sucking for air. When I un clip this hose the engine sounded fine ( naturally cos it was getting air directly?). This was only then when I realised the rag must have been sucked in.
Would this indicate anything when the rag is likely to be?
If I take it to a loca Indy garage are they going to be able to get to the inlet pipe without removing the body or will they say it’s a body off job?
If it has gone through turbo, where does the outlet hose go to and it that’s an easier place to access?
I have just placed an order for an endoscope camera, I did try the metal wire hanger but couldn’t seem to get it to go all the way, will the camera go the entire length and up to turbo to let me see if either rage is in hose, rag is in turbo or rag is nowhere?
Slightly concerned I have cocked my car up because of a stupid mistake!
These are how I see my options;
Rag is either in hose before turbo
Rag is in turbo ( DM says highly unlikely)
Rag has gone through turbo( assume this is highly unlikely otherwise damage would have been caused?)
Rag is nowhere and this is another issue?
the hose attached to the engine (near air filter box) was flattened and the engine sounded like it was sucking for air. When I un clip this hose the engine sounded fine
Then the obstruction is between turbo and end of flattened bit furthest from turbo..
Dean
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2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
2nd Nov 2020 9:34 am
DiscoDaz29
Member Since: 01 Feb 2020
Location: Kent
Posts: 26
To avoid confusion,
Pipe 10 on DM photo was the flattened hose, when I remove that hose the engine sounds fine.
2nd Nov 2020 9:37 am
Gareth Site Moderator
Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26701
But that’s on the pressure side of the turbo? To get in there it would have had to get through the turbo and the inter cooler!
2nd Nov 2020 9:49 am
11891952
Member Since: 11 Jul 2020
Location: Pulborough
Posts: 83
I might disagree with the logic there. You could obstruct the very start of the air system, and the part that will collapse is just the weakest part, rather than where the stop is.
As DM said, VERY unlikely to have gone through the turbo, particularly at idle. It would just stop the compressor rotating.
How does it behave with the pipe removed from the turbo inlet? If okay, then the rag is still stuck somewhere in the pipe leading up to that.
ok ... I'd not spotted you meant pipe 10 had collapsed.
in that case, pipe 10 may have delaminated, becoming weaker AND it's inner layer collapsing to block airflow.
it used to happen on 300tdi engine but not on a positive pressure section ... and it's very unlikely that it could happen to that pipe in normal circumstances.
so you are right it's somewhere earlier in the pipework that is obstructed if that is the issue.
as i'm typing I'm getting a niggling thought as to what would happen to pipe 10 if it had a hole in it ? would the turbo then try to suck all it's air through the hole rather than proper route ? in which case the pipe WOULD collapse without any other obstructions being present.
edit : scrub that thought, remembered you're D3 so only 1 turbo.
2nd Nov 2020 10:23 am
latnutgub
Member Since: 25 Aug 2011
Location: Huddersfield
Posts: 170
Hi Daz, I use an endoscope in my work. Good for looking into pipes without taking things off.
I think if the rag had got to the turbo it would not run. Hope you get sorted.
2nd Nov 2020 10:41 am
11891952
Member Since: 11 Jul 2020
Location: Pulborough
Posts: 83
If had had to put money on it, I'd say the rag is sitting on the turbo compressor wheel, blocking it and causing a restricted airflow. Leading to a collapsing pipe (usually under positive pressure) due to the depression now being created in the system.
I'd say take the pipe off the front of the turbo (doesn't sound like that has been done, but correct me if I'm wrong), and have a look. Or, like the chaps have said, get an endoscope down there to check if you don't fancy taking the pipe off just in case.
2nd Nov 2020 10:45 am
DiscoDaz29
Member Since: 01 Feb 2020
Location: Kent
Posts: 26
Endoscope is arriving tomorrow, I haven’t had the turbo inlet pipe off yet no, what I read this was a real PITA, what with my confidence knock I’m not sure id be willing to attempt it.
I will check with endoscope tomorrow if it’s within pipe I will try and fish out with wire hanger, if it’s in turbo with the garage being able to get to the inlet pipe through wheel arch or are they likely to say it’s a body off job just so I know?
2nd Nov 2020 11:20 am
Ruarz
Member Since: 17 Oct 2020
Location: Fife
Posts: 21
You can get to it through the wheel arch ive just done it. Its just a bit fiddly. Makes it a lot easier if you take the fan and cowling off so you can get a good grip on the pipe to yank it off. Theres a mounting bracket about halfway along that you need to undo to get some movement in the pipe. Couple hours max. 👍
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chances are it's either stuck in the turbo or confetti in the intercooler.
... All LED interiors lights, DRLs, Spare Wheel protector.
