Carbon Build Up, EGR Blank, Catch Can Information

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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby bolt on Fri Aug 26, 2011 12:49 am

sorry if this is in the wrong section but seems appropriate.

If we blank of the EGR valve where does all the soot end up?

I would think in the Catalytic converter if so will it not plug that up?

Is there some way we could make a catch can for the egr path and collect the soot in an air filter or something? (washable sponge filter) I know it is hot exhaust gases so air filter might not be right! just throwing ideas out there.
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Carbon Build Up, EGR Blank, Catch Can Information

Postby mattz on Fri Aug 26, 2011 4:41 am

In theory the Provent catch can should stop this.
The catch can will filter out the oil which will then stop the carbon build up. If you search "Provent" or "catch can" you should find pleny more info on the subject.
I only have the Provent installed and no blank and it seems to be working fine after about 20k. So far so good.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby simonb on Sat Oct 08, 2011 1:38 pm

I have installed the Provent 200. All connected up as per instructions/photos in this topic. Everything was going well. While driving the bottom large hose blew off the inlet of the intercooler. I don't know if this was coincidence as a mechanic had removed this clamp when working on the alternator (was about a 1000k's ago).
Is there any pressure increases or anything when the Provent is install or was it bad timing?
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby coxy47 on Sat Oct 08, 2011 1:49 pm

My guess is that its probably a coincidence. Since the PCV is plumbed in before the turbo it will have minimal effect the air pressure between the turbo and intercooler.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Vc92091433 on Thu Nov 24, 2011 10:06 pm

Hopefully the right place to ask this question...

Having a little trouble getting my head around this carbon build up issue, well mostly the updated manifold replacement...
I have experienced none of the symptoms described above(fuel economy issues, loss of power etc.) however im fairly sure i have the older manifold currently, if i was to drive past a Mit dealer tomorrow and confirm the older manifold would they simply replace it under warranty or is it only replaced if faulty? To confirm vehicle is 2008 3.2 GLS. Makes more sense to me if possible to replace the manifold prior to installing Provent, rather then installing it with buildup already inside!

Cheers
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby coxy47 on Thu Nov 24, 2011 10:30 pm

I believe only if you describe the symptoms.

Personally my opinion is that you mag as well install the provent now as this will not affect its operation and that way your new manifold will stay cleaner from the start.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby helicoptercow on Fri Nov 25, 2011 5:17 am

better to install it now, like coxy said. I had mine installed for about 10,000km before my manifords were cleaned and the mechanic said the carbon that had built up was comparitively dry compared to others, so it does help with existing built up from progressing, and its one less thing to worry about once its cleaned.

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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Vc92091433 on Fri Nov 25, 2011 9:09 pm

Going for the provent install asap....like you said better late then never! Thanks
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Froggy on Fri Nov 25, 2011 9:19 pm

Vc92091433 wrote:Going for the provent install asap....like you said better late then never! Thanks

How many K's has it done? Mine made it to 110k on the original manifolds.
I'd be more inclined to get the Provent and be ready to fit it when the carbon builds and starts the surging. Then fit it when the manifolds get changed.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby inidrab55 on Sat Jan 21, 2012 8:48 pm

Hi guys,
New to this so pls be kind.
I have the 2.5 MN and have had upper manifold replaced at 24000k's.
Now I would like to install the egr blank.
2 Questions...
* Where can you buy the blank?
* Will it cause limp modes in the 2.5 MN ?
THANKS
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby snowman on Sat Jan 21, 2012 8:50 pm

you can get a blank by PM'ing "GLX-R Alex"

he is doing them in stainless now.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Cowboy Dave on Sat Jan 21, 2012 8:59 pm

Or you can make them up yourself if you have a thin bit of sheet metal and some snips.

The jury is out on the limp modes. Some have put plates in and had no problems. Others get limpies straight away.

There are several ways around the limp modes. A Chipit chip will cure them. Alternatively there are methods involving T pieces and stuff that others have posted about.

Also worth contemplating a provent to remove the oil mist from the equation too.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby fraz91 on Mon Jan 30, 2012 9:05 pm

I'm putting my blanking plate back in after having the manifold done, and was wondering if theres any reason the plate is suggested to go under the heat shield rather than under the valve? It wouldn't make a difference so long as there's a plate in place, right?

See the build up of my old Triton here.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Longranger1 on Tue Jan 31, 2012 12:25 am

It would probably be best to put the blank in both places. If you put the blank immediately before the egr valve on the cooler it will stop coolant causing a hydraulic cylinder lock and subsequent engine destruction if the egr cooler ever springs a leak. Not that this is a likely occurence, but it has happened on other makes. :idea:

The other blank might stop a bit of crud building up in the now redundant egr cooler over time.

As far as function of the blank goes, it really doesn't matter where it is placed so long as the exhaust gas is stopped from reaching the intake manifold.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby danielpurcell on Fri Feb 03, 2012 7:57 pm

Ok so is there any easy way of checking the state of the manifolds?

My Mn started surging the other day at 23,000k's. I cleaned the oil residue out of the throttle body and all the other places I could get to and that fixed it (for now). I also installed a catch can last night and filled it with staino scourers. I was disturbed at the amount of oil and crap in the mouth of the turbo and throttle body, especially as I had checked a few weeks earlier and it was all clean.

So yeah. How do I check how clogged the manifolds are so if need be I can go and hassle the stealer to replace them??
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Mooons on Fri Feb 03, 2012 8:00 pm

Good question
Can you get one of those 9mm flexi cameras down the throttle body to have a peak or not :?:
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby danielpurcell on Mon Feb 06, 2012 8:59 pm

I can borrow a flexible borescope off a mate, so I'll have a look. How far past the butterfly do you reckon I'd have to go?

I pulled the inlet hose off the throttle body again yesterday and lo and behold there was more oil gunge in there. I'm pretty sure though that this all came through before I put the catch can in and/or it's residual crap being sucked up out of the intercooler. So I pulled a rag through the inlet hose and cleaned it all out again, looks like an intercooler flush may be in order though.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Learyx on Fri Feb 10, 2012 6:58 am

Hey Guys,

Can anyone please upload the template for the blank on an MN with at least one dimension to size it right. Saves me waiting for the car to cool down to take out the gasket :)

Cheers
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby danielpurcell on Fri Feb 10, 2012 7:09 am

Learyx wrote:Hey Guys,

Can anyone please upload the template for the blank on an MN with at least one dimension to size it right. Saves me waiting for the car to cool down to take out the gasket :)

Cheers


x2 :D
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Carbon Build Up, EGR Blank, Catch Can Information

Postby tukadafoonday on Fri Feb 10, 2012 8:48 am

I think someone on here was selling blanks?
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby fraz91 on Fri Feb 10, 2012 9:05 am

GLXR Alex is selling the blanking plates from memory. I've got one with no holes in it and it works a treat!

See the build up of my old Triton here.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby gunnado on Fri Feb 10, 2012 10:07 am

Hi Guys,

This is my first post here.

I have just bought 2010 Triton GLX - R 2.5 Lt Diesel 62,000km. So the service history appears good no way of knowing if I have carbon build up like you all talk about but after reading your threads think i might.

The car has just started surging and today whilst going to get lunch the throttle stayed open flat out car out of control then just easied of back to normal.

Can anyone help ?
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby biggibbo on Fri Feb 10, 2012 10:25 am

sounds more like a Suction Control Valve than carbon build up.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby gregned on Fri Feb 10, 2012 10:27 am

Never heard of throttle getting stuck on WOT.
Check oil level as if the vehicle has just had its 60K service the tappets may have been done and diesel is leaking into the sump causing run on and it may not stop next time.
Thats all I got, just thinking out loud here.
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Re: Carbon Build Up, EGR Blank, Catch Can Information

Postby Learyx on Fri Feb 10, 2012 10:28 am

Ok well got the gasket out just then and made up a template for the blank. Picture below


Click to view larger picture
Dimension should be 74mm long - holes are 9mm.
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