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How I installed an oil catch can in the 1.6HDi
#1
Hi all,

I have a slight blue-ish smoke on cold startup and thought I might fit an oil catch can to see if this will help.
Here is how I installed the oil catch can: https://www.youtube.com/watch?v=VEoO7-fmMkc

Just installed it, so not too sure if it has helped with the blue-ish smoke on startup. Will report in a week or two.

All the info is in the description of the video, but let me know of any questions. The car is a Peugeot Partner Escapade (a badge difference really, but with the metal grill on the headlights, raised suspension and metal undertray); 1.6HDi; M59; 2007; no fap/dpf; ~92,000 miles.

I admit, it looks ugly, but it is functional. Very limited space in the 1.6HDi to fit the oil catch can and associated pipes. I will have to cut the PVC hose to move the valve in the middle and only the pvc hose will slightly stick underneath the car. The pipes are not positioned very well, as some oil will collect in the pipes. I will think about it, might figure something else.

I will also report what has been collected and might do some chemical analysis on the collected fluids.

Cheers,
Saskak
smile, you are alive!
[-] The following 1 user says Thank You to saskak for this post:
  • brajomobil
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#2
Hi all,

In case people are interested, I modified my previous oil catch can installation. There was a major design flaw in my original setup. The oil catch can inlet was higher than the breather crankcase, so it was not easy for the oil to drip into the catch can/tank by gravity.

Modified version and a few modifications (mainly allowing easier flow) to the oil catch can are here:
https://www.youtube.com/watch?v=QdxyAHP1DVM

All the parts are in the description of the video, but let me know if anyone is interested in more info. I will have to eventually test the difference in crankcase pressure with the original design and the oil catch can. I may have inadvertently increased the crankcase pressure. I will also have to eventually test if there is any flow restriction with the new air intake piping as compared to the original.

Cheers,
Saskak
smile, you are alive!
[-] The following 1 user says Thank You to saskak for this post:
  • cancunia
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#3
Without really looking at the video (yes I know!) how is the crankcase oil scavenged initially? Is it pulled back into the intake and and burnt off during the combustion process?

If so and bear in mind I’ve not watched the video. From experience with catch cans it’s important to have a positive and negative pressure side so that the oil vapour is caught by the can but crankcase pressure isn’t changed. Usually on large Diesel engines you would have the positive pressure side coupled to a t piece which then leads off to the catch can and also returns back to the intake in order to maintain correct crankcase pressure. This way the oil essentially condenses back into the van but crankcase pressure is maintained correctly. It’s also a better way to make sure you’re not burning oil!


Sent from my iPhone using Tapatalk
Previous Berlingo: 2015 1.6 L1850 90ps In Artic Steel inc Look Pack and Lighting Pack.

Current Berlingo: K9 2018 Driver M 100ps in Platinum Grey with Safety Pack
[-] The following 1 user says Thank You to Tree for this post:
  • saskak
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#4
(20-04-2019, 08:38 PM)Tree Wrote:  Without really looking at the video (yes I know!) how is the crankcase oil scavenged initially? Is it pulled back into the intake and and burnt off during the combustion process?

If so and bear in mind I’ve not watched the video. From experience with catch cans it’s important to have a positive and negative pressure side so that the oil vapour is caught by the can but crankcase pressure isn’t changed. Usually on large Diesel engines you would have the positive pressure side coupled to a t piece which then leads off to the catch can and also returns back to the intake in order to maintain correct crankcase pressure. This way the oil essentially condenses back into the van but crankcase pressure is maintained correctly. It’s also a better way to make sure you’re not burning oil!


Sent from my iPhone using Tapatalk

I most certainly appreciate the advice.

Yes, the crankcase gasses are fed in the intake again, so the slight vacuum is preserved. I had to re-design the intake as the crankcase breather on the 1.6HDi is integral to the air intake plastic and could not re-use the original air intake piping. I have tried to maintain the same size hoses and pipes, but cannot be quite certain if there is an increased crankcase pressure.
I have bought a manometer to check the crankcase pressure and will compare with the original. I had a quick look at the pressure and it seem to be max ~11mbar, which seems acceptable. Not too sure what the reference values are, but it should be around that.

I have an alloy t-piece that takes the gasses from the catch can back into the intake. The PCV or CCV should close slightly if the turbo creates too much negative pressure and it does not suck oil from the crankcase. AFAIK, that is what the PCV, I should call it CCV as it is not quite a PCV valve, in the original design is supposed to do.

The manometer is differential, so I have to compare the air resistance (MAF to turbo) in the original air piping and my new redesigned air intake. If there is more resistance I would have to go with bigger alloy/silicone pipes.
smile, you are alive!
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#5
hello and thank you for posting after watching your YT (subscribed and tu) i am wondering if i can buy any OCC from eBay or Ali
as from what you did none of the others have a large in-out most go up to 12mm  
can those work or do i need to match the size to almost the same size
here is what i am looking at its a great price with all the bells and whistles but will it work right for me
BTW i have a 2011 Berlingo with a 90 or 110 hp motor

thank you and thanks for posting
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#6
(09-05-2019, 10:20 AM)thegreatfixer Wrote:  hello and thank you for posting after watching your YT (subscribed and tu) i am wondering if i can buy any OCC from eBay or Ali
as from what you did none of the others have a large in-out most go up to 12mm  
can those work or do i need to match the size to almost the same size
here is what i am looking at its a great price with all the bells and whistles but will it work right for me
BTW i have a 2011 Berlingo with a 90 or 110 hp motor

thank you and thanks for posting

Hi thegreatfixer,

Thanks for subscribing. Yes, most go to ~10-12mm inlet/outlet sizes. The original 1.6HDi crankcase breather is ~23-25mm, although the actual outlet hole is somewhat half that. This is looking inside the CrankCase ventilation valve, just after the spring. In addition, the hole in the air intake pipe is way less than 25mm, somewhat close to 18mm, but the distance is short.

The catch can that you have listed has the transparent tube on the side. This design has been shown to leak. The only worry about smaller inlet/outlet diameter is a potential increase in crankcase pressure. I do not know if that can happen or if it actually happens. I have gone for the largest possible in order to avoid this, but my oil catch can is the cheaper version as compared to the original Mann-Hummel, similar price as the one you have listed. It might not collect as much, but probably still better than nothing and price is about the same as the other catch cans.

Hope this helps.
smile, you are alive!
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#7
thank you for the fast reply not sure what i will do

its interesting that some of these are marketed for big turbo V8 in the States and they use these small dimensions

and thank you the viewing port tip i might avoid that one now
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#8
(09-05-2019, 10:48 AM)thegreatfixer Wrote:  thank you for the fast reply not sure what i will do

its interesting that some of these are marketed for big turbo V8 in the States and they use these small dimensions

and thank you the viewing port tip i might avoid that one now

No worries. The only problem with the smaller inlet/outlet holes is the crankcase pressure. I really searched everywhere if someone has tested the pressure before and after an oil catch can, but could not find anything. I do not really know if the smaller diameter holes will lead to an increased crankcase pressure.
I did not want to take the risk, but it is up to you. It could be that the increase in pressure is so minute that it does not really matter.
I have bought a MAP sensor to attached to the oil filler cap and investigate further with my design.
smile, you are alive!
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#9
here is the best price i found for the PV 200

yea i might have to ask one of the "pro shops" who add them on YT
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#10
(09-05-2019, 11:14 AM)thegreatfixer Wrote:  here is the best price i found for the PV 200

yea i might have to ask one of the "pro shops" who add them on YT

It seems the price is similar to the other ones. Let me know if you get an answer from the "pro shops".
smile, you are alive!
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