What's this?

canis · Jun 20th, 2016, 22:56

What is this, and what does it do?

I dont' mean the engine, I mean the black box with the tubes coming off it in the middle of the picture.

V40T4R · Jun 21st, 2016, 00:38

Part of the positive cranckcase ventilation system aka pcv....google it....

canis · Jun 21st, 2016, 01:17

Thank you. Will do.

ww1dm1 · Jun 23rd, 2016, 12:28

The black box is the oil trap. For the PCV system.

canis · Jun 24th, 2016, 02:08

Yes, I've been doing some reading about the PCV system. It's not something I've ever investigated before, but it turns out to be rather important.

On another thread on here, somebody was asking abotu cleaning them out. With the fortune of having two to play with, I took one apart to see how it works and it's nothing like as complicated as wikipedia made it sound. But, by The Gods, it's full of gunk! And soot.

Now, this gunk is very difficult to remove. Meths doesn't touch it, neither does white spirit, water is pointless, even petrol. But then, in a flash it came to me - caustic soda!

Cautic soda cleaned out this bad boy in no time, just like it was a blocked drain full of fat and grease. It took me about five goes of filling with the soda and warm water, but you should've seen the muck that came out. My wife had a fit when she saw the kitchen sink!

So there ya go, chaps. Save yourself a bit of money. Buy a bottle of caustic soda for a pound, but be careful if you get it into cuts on your fingers - it stings like hell. (rinse in cold running water)

Worms · Jun 25th, 2016, 00:51

Quote:

Originally Posted by canis

My wife had a fit when she saw the kitchen sink!

Maybe you should have used the dishwasher!

Jun 20th, 2016, 22:56	#1
canis Non Fragile Last Online: Oct 13th, 2023 05:46 Join Date: Apr 2010 Location: Chadderton, Oldham	What's this? What is this, and what does it do? I dont' mean the engine, I mean the black box with the tubes coming off it in the middle of the picture.

Jun 21st, 2016, 00:38	#2
V40T4R Senior Member Last Online: May 16th, 2023 19:44 Join Date: Nov 2015 Location: Porto	Part of the positive cranckcase ventilation system aka pcv....google it.... __________________ Phase 1 MY99 Manual V40 T4

Jun 21st, 2016, 01:17	#3
canis Non Fragile Last Online: Oct 13th, 2023 05:46 Join Date: Apr 2010 Location: Chadderton, Oldham	Thank you. Will do.

Jun 23rd, 2016, 12:28	#4
ww1dm1 What is this I don't even Last Online: Aug 31st, 2017 08:01 Join Date: Mar 2015 Location: *	The black box is the oil trap. For the PCV system.

Jun 24th, 2016, 02:08	#5
canis Non Fragile Last Online: Oct 13th, 2023 05:46 Join Date: Apr 2010 Location: Chadderton, Oldham	Yes, I've been doing some reading about the PCV system. It's not something I've ever investigated before, but it turns out to be rather important. On another thread on here, somebody was asking abotu cleaning them out. With the fortune of having two to play with, I took one apart to see how it works and it's nothing like as complicated as wikipedia made it sound. But, by The Gods, it's full of gunk! And soot. Now, this gunk is very difficult to remove. Meths doesn't touch it, neither does white spirit, water is pointless, even petrol. But then, in a flash it came to me - caustic soda! Cautic soda cleaned out this bad boy in no time, just like it was a blocked drain full of fat and grease. It took me about five goes of filling with the soda and warm water, but you should've seen the muck that came out. My wife had a fit when she saw the kitchen sink! So there ya go, chaps. Save yourself a bit of money. Buy a bottle of caustic soda for a pound, but be careful if you get it into cuts on your fingers - it stings like hell. (rinse in cold running water)

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