in your turbo-diesel engine,

what are benefits and shortcomings of having that oil-catch can and blocking that EGR? will it lessen the particulate matter (black smoke especially on high rpm--3000-4500rpms)

washer mod di ko na sasama kasi alam ko na benefit, done that before sa former delica ko...EGR-block at oil-catch can di ko pa nagagawa...

with the oil catch can you prevent droplets of oil from going into the intake manifold, so you'll have a cleaner intake manifold. been thinking of a way to insatll one sa hiace ko kaso ang sikip ng engine bay.

On some cars the breather tube from the valve cover goes into an oil separator that also gets routed back into the sump. I don't know how it is on your engine but it should be somewhat similar.
Blocking the EGR is good because you're not burning hot exhaust gasses (with particulate no less). When you're doing this have the manifolds cleaned na rin, exhaust and intake sabay mo na. Chances are both will be heavily sooted so that will rob your engine of power.
Actually if you remove the EGR, if it was originally working you might have more smoke once you remove it because the particulate is not burnt anymore but emitted out the exhaust. Blocking the EGR is one thing, removing it is a whole new project. Pagawa ka ng cover for the intake and exhaust manifolds where the EGR originally came from so malinis tignan.

sa oil-catch can, liteace ride ko, diba dapat between the hose going from the valve cover to intake manifold?(not shown in my pic)

engine bay shot: (with the hose removed)

direchong intake manifold agad..from the valve cover

been thinking to use those cheap plastic fuel filters as the catch can, pwede kaya yun?


ganito EGR ko: (as installed, back shot)

so i'll just block the rightmost pipe-end of the EGR that is near on the exhaust..tama ba dun ko ko sasaraduhan?

so, better block nalang ko ang EGR--almost the same process lang yun like what the guys do to their 4d56-t,right--aluminum can cut to shap then iipit sa part where the EGR is connected at the exhaust,right? (may soft-copy ko ng EGR mod for 4d56t,e 2c-t makina nito akin)

so will the engine run cooler when i block that EGR? di ba mas iitim ang usok or marereduced siya pag block lang ang EGR?

Tingin ko mas iitim ang usok. The purpose of the EGR is to reduce particulates sa exhaust by recirculating it through the intake manifold. So removing it effectively lets all the particulate get out via the exhaust.
If you're concerned about being a smoke belcher just have the intake manifold cleaned (exhaust na rin) and EGR tested for functionality. No difference in temp unless it's really clogged that it's actually suffocating the engine.
Looks like you have the cross flow manifold. Yes block off the right and left sides where there are two bolts that hold a diamond shaped flange on the right and the round flange on the left where the EGR goes into the intake. Vacuum hoses also need to be removed so plug these up din if you want to keep it clean.
Use a dedicated oil catch can instead of the cheap filters. This is also added maintenance - you might have to empty the catch can once in a while so check it more often after installation to see how fast the oil accumulates. Check your van's oil level just as frequently too. What amount of oil goes into the catch can is reduced from the oil sump. If you're also burning oil consider that in the equation so you know how much you lost or have to add. HTH :)

cge oil catch can muna...pagiisipan ko nalang ang EGR...

what can you recomend for a good compact catch can? aside sa cheap fuel filters na yun...

wala ko problem sa oil burning--kakaoverhaul lang ng engine, at nag-set na ngayon,e...

about sa paglinis ng intake/exhaust manifold and exhaust pipings up to the muffler--kaya na ba sa gasolinahan na lang yun? or yung tinatawag na carbon cleaning?

Sir alwayz_yummy, ive tried using those plastic filters before but removed it after a week...in my case, mas makipot kase yung nozzles nung filter than that of the crank case breather so ang tendency is to put more pressure on the sump, which is a no-no. :happy: but it did collect some oil. just wanted to test lang and see for myself how a catch can works.

at first, blocking EGR didn't make any noticable difference with performance and smoke level in our Townace 3C-t and 2C-t and Pajero 4d56t.
I just block the vacuum hose going to the EGR.
but later, when we had our Pajero converted to m/t. comparing it once again... the performance of blocking EGR is really noticed. smoke was even lesser. the townaces are both a/t. that's probably the reason I don't see any performance in them.
after that, I made a steel plate to completely block the EGR in our rides.
3 possible location to insert a blanking plate.
in theory, you get even more turbo pressure...
I didn't notice the engine being cooler with EGR blocked though.
I may already mentioned this before, that disabling EGR was always been a debate. some people say it hurts perfromance, hurts engine, makes the engine hotter or... the contrary.
our rides have been EGR blocked for a year and a half now.
if you are not sure yet, why not block the vacuum line first?
instructions@ http://www.townace.com > engine mecahnical > vacuum system > Vac pipe, egr.

wala po bang pix pang 4d56 hindi ko po kasi makuha yung concept nung sa toyota 2c-t

I'm not sure all 4D56 has it. but the EGR will look like a spaceship. you will notice a small pipe connected from the exhaust to the EGR. then from EGR back to Intake. the EGR will have a vacuum hose conected.
may info tungkol dyan dito sa mismo.

btw, check the last post. it was from me. that's my calendar when I disabled our EGR. hehe...

tol rion--anu pangblock mo sa vacuum hose ng EGR mo? anu maaring effects ng blocking lang ng vacuum hose na yun??

naglagay ka na ng oil catch can? anu ginamit mo?

Yummy I can answer that. Blocking EGR with plugging the vacuum line will just prevent it from functioning pero you might disable it in the open position which still allows air from the exhaust to get into the intake. If you're lucky and you plug it while closed you might get similar results as if you removed it but you don't have a chance to clean the manifolds. Removal will allow you to clean the manifolds. Tama si Rion kung saan pwede mo lagyan ng blocking plates. Make sure makapal yung bakal nun.

tol rion--anu pangblock mo sa vacuum hose ng EGR mo? anu maaring effects ng blocking lang ng vacuum hose na yun??

naglagay ka na ng oil catch can? anu ginamit mo? I just old fashion tie it like a shoe lace.
like mbeige said... I had no certainty blocking the vacuum hose will really work. until I tested it in a a/t to m/t converted Pajero. when the Egr is unblocked, the Pajero feels choking and on random times, I hear clicking noise and burst of smoke.
I think that a EGR timing will not work when a A/T is converted to M/T. when I block the hose, the symptoms are gone. then to make sure, I made a plate with drilled holes. I hear you should put gasket too. but I never had mine. tinatamad na ako.:grin:
never heared of oil catch can until you posted here. interesado din po ako. it's a + considering intercooler maintanance in the Van is a pain in the ass process. nasa ialalim kase eh... buti nalang may rampa kami...
where do we buy those can's A.Y?

Thanks to you two I unhooked the vacuum lines going to the EGR :grin:
I installed vacuum line filters kasi. The ones going to the EGR had soot (diesel rin). Ngayon sobrang itim na natakot ako so I removed the lines. Replace ko yung filter next time kasi may lakad ako mamaya :grin:
These were taken Sep 12:
The dirt you see in the other filter is just a week old!! Ngayon make that two or three times more na. In case you want to get these filters I can give you the part number for the Mercedes part I don't know lang how much it costs there. You can get them sa Delodur and the like I guess. I did this so that I can have a window into the vacuum system to see how dirty it is. On our cars the diesels have a vacuum pump maybe it's the same with your diesels, no?
Part number 000 078 06 56 at your local Benz parts store :)


Mercedez is truly a complete ride.:bowako:
yes, I think it's basicaly the same. the egr level is controled by a solenoid. there is filter thingy in the vacuum hose though. but I'm not sure if it's really a filter.
if you unplug the vac hose in the EGR, you will feel the air pressure from the EGR valve. meaning, some exhaust are recycled back to the vacuum pump.
so our vacuum pump is inhaling some exhaust (utot).
then, there is no filter in the EGR itself. meaning. humihinga ng unfiltered exhaust (utot) yung intake (ilong). :hysterical:
magkano po yan dyan sa states? I think this is a useful filter.:yes:

It's actually a fuel filter but several owners have used it successfully as a vacuum filter so we can have a window into the system. It works! You're right utot ang naaamoy ng engine when the EGR conveys exhaust gas into the intake.
The filter is a few $ maybe 2-4 each pero I don't know if Delodur has them cheaper. Delodur is in Libis beside the Honda. It's called "European Motors" if you want to get some with the part number I provided. I hope your vacuum lines are similar in size with ours so you can use them. Hirap ikabit but it's a snug fit! Well it's for fuel lines kasi pero this works just fine :)

ok, for the vacum hose of the EGR, i'll use a fuel filter kung pwede, bakit 2? to and from EGR?

4wd system ng liteace ko uses vacuum hose to shift to 4wd, tapos lever nalang ang H to L...

yung catch can, naisip ko lang..nababasa ko sa forum--first i thought na breathe to athmospher nalang(lalagyan ko nung air-filter ng motorbike) yung crank case hose na yun ang plug the one on the intake manifold...but..parang may mali kung ganun, kaya research ako...

kung walang mabili, DIY ako..as usual.. nakakainis baklasin ang intake manifold! aalising yung back cover, yung cover ng air filter, yung takip ng makina(ung seat) basta madami..

Yummy, on mine the filters are originally fuel filters. Maybe your Toyota does not have similar filters but check before you buy. I mentioned the part number in case you want to use MB filters similar to the ones I posted. That way you can also have a last resort plan in case you do not find any.
Two filters, kasi two nipples on the main vacuum line on my car. Those are the two main branches that originate from the main vacuum line so I thought that would be a good place to install them. I have a third spare one which I will keep in case I need it but I'll get more mura lang pala sila near a friend's house in Eagle Rock.
If you do drop by Delodur and they have them in stock ask if you can get the aftermarket type not the original MB. The original MB kasi you also pay for the brand but they're essentially the same. Just a heads up :)
On my filters, only one has a link to the EGR. The other has no link to it that's why it's clean. I was testing and narrowing down where the soot comes from. Looks like I still have to narrow down the margin of error and confirm that the EGR is indeed the one causing it, hence my unplugging and seeing if that prevents soot build up :grin:

naintindihan ko na...

baka yan mga add-ons na yan muna gawin ko...later na yung EGR mod and manual boost control(+ guage)

thanx din!