Catch Can fitment for 2013 TDV6

[geoffmc]

Hi All,

I'm about to pick up my first Discovery and have mods removed from my current Prado. One of them is a Provent Catch can and i was wondering if i can and should install to the D4 when i pick it up.

Can anyone give me some advice, if i should install it.

cheers
Geoff

[Strop]

Geoff,

I just picked up my first 4WD and had some things fixed at a Land Rover Specialist in Sydney. When I picked it up I asked about the need to fit a catch can, not that know much about them, apart from reading about them in my research. The answer I got - not needed don't worry about one. That was for a 2012 SDV6 SE.

Laurie

[geoffmc]

Geoff,

I just picked up my first 4WD and had some things fixed at a Land Rover Specialist in Sydney. When I picked it up I asked about the need to fit a catch can, not that know much about them, apart from reading about them in my research. The answer I got - not needed don't worry about one. That was for a 2012 SDV6 SE.

Laurie

Thanks Laurie,

Did they say why?

cheers
Geoff

[Strop]

Geoff, I might have misled you sorry.

I checked the questions I asked again. The question was asked about a Diesel Fuel fumes filter. Went straight over my head but I remember there was no hesitation - straight not needed. It is my first 4wd and I had a heap of questions .

Also asked about an extra fuel filter - again a straight no due to the hoses that are used - recommended not cutting them.

Laurie

[Strop]

They may well be the same thing :-)

[DiscoJeffster]

There is far more of a problem related to the EGR system and the absolute crud it puts into the intake compared to the recirculated crank case air. Once you crack open one of these engines and see the mess the EGR does to the intake, you'd want to get rid of it immediately.

[rar110]

Geoff
I will probably fit one to the tdv8. It's one of those one day jobs. It will fit in post crank case vent filter. The CCV filter outlet only goes to one turbo on the tdv8.
The combination of oil vapour and exhaust soot from the EGR does result in sludge build up in the intake manifold. My EGR is disabled so not as big a priority.

[DieselLSE]

There is far more of a problem related to the EGR system and the absolute crud it puts into the intake compared to the recirculated crank case air. Once you crack open one of these engines and see the mess the EGR does to the intake, you'd want to get rid of it immediately.
Hi DiscoJeffster,
Could you elaborate on this please? At what mileage does this become an issue on a 3.0L engine and what is the recommended solution?

[rar110]

Here are a couple of pics of the inlet to one intake manifold and what I scraped out of the elbow hose before the intake. I should add that mines pretty good. I've seen a lot worse.
https://www.aulro.com/afvb/images/imported/2017/05/1057.jpg

https://www.aulro.com/afvb/images/imported/2017/05/1058.jpg

[DiscoJeffster]

https://www.aulro.com/afvb/images/imported/2017/05/1054.jpg
https://www.aulro.com/afvb/images/imported/2017/05/1055.jpg

[DiscoJeffster]

Hi DiscoJeffster,
Could you elaborate on this please? At what mileage does this become an issue on a 3.0L engine and what is the recommended solution?

It is a problem on all vehicles and age. The combination of fine oil vapour from turbo seals and crankcase recirculation combined with the soot from the EGR provides the buildup you can see in the photos I posted. That buildup will grow and marginally affect performance longer term as the shape of the intake changes. It's not the end of the world, but not great either.

[BobD]

My son in law was getting limp home errors on his 200,000km old Pajero due to low turbo boost. They tracked it down to the EGR causing a blockage in the inlet manifold. When he pulled it apart you could only just see light at the other end of the manifold. It was probably 80% or more blocked by the same soot as in your photo. Much, much worse than that photo. Not the oily stuff, just the carbon in the first photo.

[Judo]

Is there any evidence that EGR reduces engine life? I mean what if we just cleaned the EGR every so often.... hypothetically at least.

[DiscoJeffster]

I don't believe it would harm the engine however cleaning it effectively is not easy by any stretch of the imagination. Any method that injects a cleaner with the engine running is forcing large clumps of the EGR muck into the cylinders and out the back of the car. I've considered it but there is a risk of engine damage with that method. The only way to clean out the muck is to remove the intake manifolds and throttle body. Throttle body is easy, manifolds not so.

[rar110]

I've used induction cleaner at about 240,000km. It helps.

[DiscoJeffster]

I've used induction cleaner at about 240,000km. It helps.

Do you remember which one exactly?

[rar110]

Revive.
These websites provide reasonable info.
SP Diagnostics - Revive Turbo Cleaner (http://www.spdiagnostics.com/index.php/products/workshop/revive-turbo-cleaner)

Bring Your Engine Back To Life - Questions (https://reviveturbocleaner.com/index.php/questions)

[remoman]

Can someone tell me how the oil from the catch can is routed back into the sump?

[Hugh Jars]

The most common method of dealing with the contents of the can is a tap/valve on the bottom of the can. The contents are drained periodically and disposed of, rather than being put back into the engine.