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Diesel Cayenne and VW emission issue

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Old 07-17-2019, 07:29 PM
  #6286  
Rupert16
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Excellent idea Mate, I totally noticed an improvement after the dealer stripped mine apart and cleaned the system.
There was a noticeable difference between the initial fix and the time they had things apart, de gunking the induction side.
Good luck.
Old 07-17-2019, 08:20 PM
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User 52121
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Editing because all the text disappeared

Holy ****!

Just took mine apart. I’m going to stop at the TB’s but I’m very tempted to pull the manifold and clean it along with both heads...

This absolutely will impact performance.

45k miles, 39k of those “fixed” and 39k exclusively on Shell diesel.





Old 07-17-2019, 10:11 PM
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skiahh
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Stopped by my dealer after I put it all back together (mine looked pretty similar to yours, Hacked; just a bit "better").

He said the one's he's seen that have thrown a check engine light/code are at least 50% blocked off, so I've got a ways to go yet.
Old 07-17-2019, 10:23 PM
  #6289  
PJ Cayenne
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Originally Posted by Beantown Kman
I love the Macan in all of its variations. With a Macan and a 911 in your garage you're very nicely covered! Enjoy!
I'd say your garage is equally well equipped. Same to you, enjoy the rest of the summer, it goes fast.
Old 07-18-2019, 01:18 PM
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Car drove noticeably better this morning on the commute (commute from hell... ugh) into the city. Much more responsive off-boost, and the boost seems to come on quicker and more smoothly.

At some point I'll get ambitious over a weekend and pull the intake manifold off, clean it out, along with the intake ports in the heads, and the EGR valve.

I'm also now thinking about doing the full "alphabet delete" and putting a Malone tune on it. I can't believe how carbon'd up this thing was... and all the soot was immediately past where the EGR feeds in.
Old 07-18-2019, 01:23 PM
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lightemup67
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Originally Posted by Hacked 987
Car drove noticeably better this morning on the commute (commute from hell... ugh) into the city. Much more responsive off-boost, and the boost seems to come on quicker and more smoothly.

At some point I'll get ambitious over a weekend and pull the intake manifold off, clean it out, along with the intake ports in the heads, and the EGR valve.

I'm also now thinking about doing the full "alphabet delete" and putting a Malone tune on it. I can't believe how carbon'd up this thing was... and all the soot was immediately past where the EGR feeds in.
Glad to hear its running better. Couldn't believe the carbon buildup either.

I'm thinking the same thing about removing intake and EGR valve for cleaning. There are a ton of lines and connections on top of the intake though, so I feel like it will take a while. I'll take pictures and document the process when I do it, but if you do yours first please do the same!
Old 07-18-2019, 03:46 PM
  #6292  
r553
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Rupert,
Can you confirm you put the oil separator in the line between the constant pressure valve ( right hand valve cover ) and the intake?

Thanks,

Rob
Old 07-18-2019, 07:43 PM
  #6293  
KBell
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Mr Hacked 987

If you could do a DIY, Short YOU TUBE video, Pictures, etc.
Some sort of tutorial.
It would be greatly appreciated!
I am so interested in doing this.

Thanks
Old 07-18-2019, 10:06 PM
  #6294  
Rupert16
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Default CCValve.

I can certainly take some photos and post them, as I mentioned a few days ago I have family visiting from NZ. so this summer is pretty busy at present. I'm planning on mounting the Provent 200 off the front of the air cleaner and inner right side of the fender upright, just designing a bracket now. The key here, is to use 1" I'd hoses to minimize any back pressure possibly returning to the factory colessing valve at the passenger rear valve cover and fresh air intake. I bought a few copper step up pipe fittings, to easily connect to the factory plastic hose running from the valve cover to the induction air cleaner hose. I also solder elbows together once I know the position of the inlet and outlet of Mann Provent filter, paint them black and Voila it almost looks factory.
Old 07-23-2019, 04:03 PM
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9931996
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Hi, can you share some details how you installed Mann Provent 200 Catch Can on your CD, what other parts are needed aside from the catch can?
Thanks!
Old 07-23-2019, 04:25 PM
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MJG911
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Originally Posted by borntobewild
. Also headlight switch gets off from auto position ( happened twice ) but did not think anything of it . .
Our '13 did that quite often. Our '15 does it occassionally. In fact, the switch was off again today when my wife got in, but was in auto yesterday.
Old 07-23-2019, 06:52 PM
  #6297  
r553
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APR Universal catch can mounted using APR SA000332 catch can hardware kit. The bracket included was trimmed and inverted to pick up one of the air filter mounting bolts.

Murray,

Here is a photo of the vent line which runs from passenger side valve cover to the turbo intake. This is where I plan to insert my catch can. I cut the hose and ran 3/4 ID hoses to the catch can. I'm using the APR universal catch can and the APR mounting kit from a MQB TSI catch can. About 65" of 3/4" ID hose will be required. Update: I've ordered some wire reinforced 7/8" ID heater hose to prevent hose collapse. Hose #2 in the picture below is where I intercepted the crankcase vent. The part number of hose #2 is 958 107 221 10.



https://www.google.com/url?sa=i&sour...64005995612356
Rob


Last edited by r553; 07-30-2019 at 01:37 PM. Reason: Added hose #2 P/N
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Old 07-24-2019, 08:25 AM
  #6298  
Rupert16
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Hi Rob,

You've got the right plan, just one concern about the APR filter, I don't see any pressure relief valve?
Years ago I bought a similar designed filter from the UK for my RHD drive Mitsubishi 2.8 turbo Diesel, tried it but found I was getting some back pressure under certain driving conditions. That's when I discovered the Mann ProVent 200, I installed it and put over 110,000 km on it cleaning it fairly regularly and the inlet manifold along with the intercooler stayed beautifully clean.
Once you look at the ProVent and see the two relief valves, it makes a lot of sense.
For my installation I plan on using 1" ID hose, I'll have a few more close connections, but I'm planning doing a Malone tune so with the increased Hp there's a potential for more pressure.
One other thing, I had two filter elements to interchange when one got all oiled up. I use Vasol or something similar to wash the filters, throughly dry them and store them until there next insertion.
Below is the name of the Company I buy my filters from, I think they're up in the New England area, I'm over here in Western Canada.
Cheer, Murray

https://www.dieselfiltersonline.com/...n-filters.html
Old 07-24-2019, 01:21 PM
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User 52121
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Originally Posted by KBell
Mr Hacked 987

If you could do a DIY, Short YOU TUBE video, Pictures, etc.
Some sort of tutorial.
It would be greatly appreciated!
I am so interested in doing this.

Thanks
Pull the engine cover off (just pulls off, held on with rubber grommets.)

Under the engine cover, front of engine (see attached pic) - 3 things to remove and clean. The two throttle bodies (yellow and red squares) and the long plastic EGR tube (green).

It's all right on top, easy to get to. Take your time.
Old 07-24-2019, 01:23 PM
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Originally Posted by MJG911
Our '13 did that quite often. Our '15 does it occassionally. In fact, the switch was off again today when my wife got in, but was in auto yesterday.
I noticed that too. Used to irritate me.

Then one day I noticed - I bump it with my knee when I get in/out sometimes.


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