Inlet manifold Co flap broken off
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Hi all
After replacing my knock sensor I was in the process of replacing the inlet manifold when I noticed something in cylinder 6 runner (see pictures). I have been chasing a slight miss fire / rough idle for a little while now and maybe this is it. I can't get the piece out and have checked the cylinder with an endoscope and can see no damage to the piston, cylinder walls or valves. It looks like I may have dodged a bullet there. What are my options? It's clearly a piece of the variable inlet runner and even though the manifold looks like it should split I doubt very much it's going to want to. Even if I could split it would I be able to get parts? Is this the correct part number? 077133185AS. Honestly guys, I'm getting really fed up with this car. I try to do everything I can to maintain her correctly using only genuine parts where I can and yet she just keeps constantly kicking me in the nuts. Whatever happens her is going to be expensive, I can just feel it. Thanks Frank |
Will this do?
eBay https://www.ebay.co.uk › itm 2004-2006 VW PHAETON 4.2L - Intake Manifold 077133185AT |
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After researching it looks like one of the aluminium brackets has broken. No piston damage would indicate a clean break.
Also, if I want to go brand new it looks like 077-133-185-CA is the replacement. Can anyone confirm this for me please. |
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Thanks very much for the reply and the information. It looks like 2k for a new unit. That's a bitter pill for a car that's worth maybe 6k.
There are a few available of various prefix's for around the £400 mark. I might consider a little project and buy one to see if I can make a good one from the two. I'll keep looking for a while, see if anything pops up. In all honesty I don't like fitting used or bodged parts, it usually comes back to bite me in the end. |
Hi all again and apologies as I seem to be replying to my own thread here quite a lot. I just need some more info so I can plan my route forward.
Is this a common problem and does anyone know of any examples where it has ended in cylinder or piston damage? I ask because going down the repair or use of second hand parts route may simply mean I am setting myself up for failure again. Maybe I won't be so lucky next time. If it is a common problem then brand new or removal of the flaps altogether seems to be the only sensible solutions. What will be the consequences of removing the flaps. Will I even notice the difference? |
As you may have seen in another thread, I’ve just clocked up 200K miles and not had this problem. Fingers crossed!
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https://forum.a8parts.co.uk/showthread.php?t=12128 |
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Well I managed to pull out the broken part by simply removing the throttle body. It looks like a clean break so I am confident there are no other bits floating around.
Still not sure of my route forward yet. It's not a big job removing and replacing the intake Manifold so I'm considering fitting it back as is to see how she runs. If I could get a new one for around £1500 I'd buy it but I just can't bring myself to spend £2500 which is what Audi quoted me, with a 10% discount. Who knew these cars would be so expensive to maintain eh? Mmmmm.... Actually as I think about it, I think we all know that. |
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