Thread: question for Td5 Provent owners

The oilmist comes from the crankcase blowby gasses,not the turbo seals.
Its an easy DIY fit,have done both my D2 and Defender TD5s,plus a mates D2 TD5.
VERY LITTLE oil in my intercoolers now.
Oil dumps back into the sump via a fitting silver soldered to the turbo oil return.One could just dump it out into the chassis and call it yet another Landy oil leak
Andrew

Mate, my I/C hoses have just a slight oily feel to them since fitting the provent. Nothing like before I fitted it though. I simply run the outlet into a plastic bottle that I have cable tied through existing holes in the L/H guard. On a 2100km trip there was around 45ml of oil in the bottle.
Regards
Robbo

Originally Posted by goingbush

Been doing a bit of Trip Prep over the last few months for a extended upcoming trip, going over everything that might need doing in the next 12 months, plus adding bits that might help longevity.

Replaced intercooler hoses to find a lot of oil on the insides, Flushed out intercooler , was about 1/2 cup oil in there plus whatever was stuck to the sides & needed multiple flushing, ( Flnal blast out & dry with Leaf blower)

Just a few questions on your Provents, I saw the survey results but that doesn't answer my questions.

After you've been running the provent for a while, do you still get any oil coating the intercooler and pipes ?? I was under the assumption some of the oil came past the turbo seals rather than from the crankcase vent. hope I'm wrong. IE will fitting a provent mean I won't have to flush the intercooler again ??

Second question, do most of you guys drain the provent back into the sump or do you catch the oil & dump it at the next oil change.

thanks ..Don

If your turbo is in good nick the seals should not leak.

Under lab conditions, the PV200 will stop 85-95% of the mass/volume of oil getting to the IC. Which translates to ~10x longer between IC cleans.

My 2c.

If you’re going to remove the EGR remove the lot. Get rid of all the plumbing in particular the water lines if your EGR system has the little water cooler set up.

This takes out a number of coolant lines connections etc. If you’re really keen also remove the coolant line from the passenger side oil cooler. A number of members have done this and simply plug the small hose end.

Depending on how you feel fit a Provent to help take the oil out of the crank case breather air and or vent the crank case into a canister. This will dramatically reduce (eliminate if a canister only used) the oil residue in the intercooler & inlet manifold.

Agree with others it doesn’t necessarily give you a performance boost.

If you remove the catalytic converter and middle muffler this seems to add a little more grunt but nothing to write home about.

Originally Posted by scott oz

My 2c.

If you’re going to remove the EGR remove the lot. Get rid of all the plumbing in particular the water lines if your EGR system has the little water cooler set up.

This takes out a number of coolant lines connections etc. If you’re really keen also remove the coolant line from the passenger side oil cooler. A number of members have done this and simply plug the small hose end.

Depending on how you feel fit a Provent to help take the oil out of the crank case breather air and or vent the crank case into a canister. This will dramatically reduce (eliminate if a canister only used) the oil residue in the intercooler & inlet manifold.

Agree with others it doesn’t necessarily give you a performance boost.

If you remove the catalytic converter and middle muffler this seems to add a little more grunt but nothing to write home about.

What ???

EGR has no relation to Provent

Originally Posted by goingbush

What ???

EGR has no relation to Provent

Yes and no.

If you’re removing the EGR to help remove the exhaust gas and all the S*** it allows into the inlet manifold then you’ll still get contaminated air via the crank case which vents into the air intake.

So No connection if you’re "only" looking to remove the EGR and not looking at removing other engine contaminants from the air intake.
Yes if your looking to keep air as cool and clean as possible.

In particular from oiling up your intercooler. (hence Provent is an advantage).

As to removing excess plumbing just in my view makes a complete job of it.

Originally Posted by scott oz

Yes and no.

If you’re removing the EGR to help remove the exhaust gas and all the S*** it allows into the inlet manifold then you’ll still get contaminated air via the crank case which vents into the air intake.

So No connection if you’re "only" looking to remove the EGR and not looking at removing other engine contaminants from the air intake.
Yes if your looking to keep air as cool and clean as possible.

In particular from oiling up your intercooler. (hence Provent is an advantage).

As to removing excess plumbing just in my view makes a complete job of it.

Surely the EGR vents directly into the intake, and doesn't go through the intercooler? So as GB said - no relation (to keeping the IC clean and extending turbocharger life).

As scott oz, suggested, yes, I agree very good idea to remove the EGR and associated plumbing.

And as Izuzurover stated correctly, The EGR is bolted on the front of the intake manifold, So it is polluting the Intake but not the Intercooler Pipes & intercooler.


When I bought the 110 it already had EGR removed & Cat removed.
But I subsequently removed about 1.5 meters of water plumbing that is no longer needed, All the piping from under the Header tank , along one side of engine around the front of engine (where EGR cooler was ) back along under the inlet manifold around behind engine & into the oil cooler cover under the turbo. I blanked off that barb on the oil cooler. Water does not need to be flowing out of there because the oil cooler is in the water gallery. Agree with Scott Oz less plumbing = less to go wrong, It is so much easier to bleed the cooling system now too.

Thanks for your input guys, Got the info I needed re Provent helping stop the Intercooler gunging up so will order one directly.