Just put a crankcase breather filter and be done with it. So is the 4th gen pcv setup the same as the 5th gen?

 

Pics?? I don't remember you having one. I'll just take yours. kthnxbye

 

What will happen if I'm on a long drive and it fills up before I notice?

Irish, how many miles did you drive to get that much (looks like 1/4 filled)? I know you said it's not a performance mod but have you seen any negative effects as a result?

Thanks to irish, 2002 Maxima SE, other innovative members who keep the board informative ...


~true authority, never shouts

 

On my 2002, highway driving does not push hardly anything into the reservoir. We routinely drive 800 mile round trip from NC to Pa with little more than 1/4 of the air/water separator filled.

Driving around town for 200 miles filled it up.

To answer your question, what would happen is the intake would suck that oil into the IM. It would get pushed to the cylinders to be burned off, you'd probably see a lot of smoke out the back. This could be very harmful, not only to the engine, but also at the PCV system. It expects a clear path to push waste (oil and gas) from the lower part of the engine. Pressure build up would blow a gasket.

 

2002 Maxima SE,

Specifically which model filter did you get? I notice these have a SCM @ PSI rating (21 SCFM flow capacity at 90 psi; 150 psi maximum pressure), what is the range of flow @ pressure normally seen between PCV and IM? Where did you get the white plastic fittings seen in you install pic? What kind of hose is that clear hose?

Irish,

Which model filter did you use? Just curious but the air/filters I've seen in lowe's run about $20. Is this right ?

paranoia section:
Also, the oil being caught would have normally made it's way to the IM, correct? Wouldn't that show up as the car burning oil? Just using logic here so pardon my question. It's not meant to offend, more to educate on what,why, how.

Sorry for all the questions

 

Hi Woosh,

There is a write up in one of those threads on what I used. All of the materials were bought from Home Depot. The white fittings are the same as the brass, but made of nylon. The hose and fittings are in the plumbing dept. Don't get the clear hose, get the reinforced clear hose (you can see thread running through it). The plain clear hose will collapse.

Not sure of the PSI. I drilled holes in my air/water separator filter to insure flow.

 

by the way...I used hose from Autozone....it's actually a high-pressure fuel hose.

 

I saw your write, very nicely done. I was asking specifically which part # because I came up with multiple choices when I checked home depot for "Air compressor in-line air/oil filter/reservoir"

I think this is the same one I saw at lowe's, so I was wndering which specific models you guys used to compare there specs (SCM @ PSI rating). Lowe filter

Just want to make sure I got the right part

 

That one will work fine. They are all the same.

 

People have been modding crank case vents for years and years. I can remember doing this to my 70 chevelle SS back in the day. Back then, I ran a catch can with overflow hoses to the collectors on my headers to burn off excess, where it didn't matter.

If you really want to, you could eliminate the vac hoses altogether from the PCV and the crankcase breather. The only reason the crankcase breather is where it's located is to get filtered air back into the crankcase to replace what the vac hose on the PCV is taking out. But every now and then positive pressure will push out that hose too and get into the intake before the IM.

Here's a good how-to I found on eleiminating both altogether.

Ghetto catch can - eliminate both crank case vac lines.

If you overfill your oil, you will have more oil in the vent system. The crank, especially when the motor is running at a lower RPM, thus less oil being sucked into the pump, will splash through the oil in the sump and aerate more into mist.

 

Hehe done!!! but mounting hose on the PCV valve and IM pipe was PITA!!!
P.S. still has to mount it right (going back to Home depot next weekend).

 

Irish, did you get the plastick reservouar with the screw on lid at AutoZone, or Home Depot? And what is it called, oil catch can? I am not quite sure if the plastic can comes with a filter, or the G3 Filter is really small, and screwes into the top of the reservouar.

 

Home Depot or Lowe's....it is called "air compressor oil seperator" and is found with air compressor accessories......

 

Irish-

First off, I would like to thank Irish and 2002 Maxima SE for exploring this Home Depot mod. I installed this mod into my car last Wed. July 20, after reading Irish earlier post. I too am amazed by how much oil was collected after less than one week of driving. I collected just about the same amount as Irish did on my 2000 SE. I also have a question Irish, did you leave that with filter inside the canister? From your picture, the bracket covered that section, so I can't tell. I left mines out, but I want to know did you also. BTW, to anyone who is doing this mod, it cost me around $25 with all the necessary materials from Home Depot plus including a new PCV valve from Autozone.

steve...

 

heres a newb question........ what do you do with the oil that comes out of the can?

 

Heading to home depot.

 

I toss the oil that is caught by the can into my oil recycling bottle and wait for the next oil change and bring it to Autozone for recylcing.

steve...

 

I'm looking at some generic ebay metal catch cans and at the plastic oil separators for air compressors. On one hand, I like being able to use a transparent plastic reservoir instead of a metal one with a "fluid level gauge" on the side, but I'm worried about the maximum temperature that the plastic reservoir can handle. It gets very hot down here in the summer, and I wouldn't want my under-hood temperature to exceed the maximum temp that the plastic reservoir can handle.

Is this even an issue, or should I not worry about it?

 

That's the samething I was thinking, I would like to have a clear container like Irish so I can see when it's full.

 

This is a great mod, I have done this on all of my cars. Oil in the intake = a lower octane rating and pinging.

 

Can anyone take a stab at answering these?

What do you do with the caught oil? If I dump it and more accumulates and I continue to dump it, does this become dangerous for the amount of oil in my engine?

 

Can anyone take a stab at answering these?

What do you do with the caught oil? If I dump it and more accumulates and I continue to dump it, does this become dangerous for the amount of oil in my engine?

 

haven't had experience with this yet but i'll take a stab at it. this mod is keeping the oil from entering your engine, so whether you do this or not, you're still going to lose that oil. But rather than have it go into the engine mess things up, you have the option to catch it before hand.

 

Yes, the oil passing through the PCV is going to be burnt up anyway.

This is mainly to keep things clean and reduce pinging.

 

Great idea everyone!!! Leme see if I have this right.... it goes from the PCV valve to the catch can to the inlet tube at the rear of the intake manifold? Thanks.

 

Yeah, you've got the right idea.

I finally got around to taking a pics of my mounting location. So here ya go:



I chose the pretty white refrigerator water line for my tubing. And yes, I realize my engine is dirty

 

can u guys take a better pic of the actual mounting bracket you made.

 

Hay I checked the other thread that was posted and there were no real instructions for a 3.0 i see the pics on ur car irish but im not sure what kind of supplies i would need. Can u do a write up by any chance Home Depot mod god

 

Get the reservoir - several brands make it, mine is "husky". YOu can find them at any Home Depot or Lowe's in the section with air compressor accessories. Make sure to buy a couple of hose fittings that screw into it. They should be in the same place.

While you're there, go to where plumbing piping is, and find a C-shaped bracket that fits around it snugly.

then, go to the door hardware area (where hinges and crap are) and get an aluminum L-bracket, which will form the backside of the mounting bracket.

Now, go to an auto store and get about 5 feet of automotive hose (fuel line hose works). I don't recall what size, so bring the reservoir hose fittings in and get hose that fits over them. Get a couple of hose clamps to secure them.

Now....

first make the bracket and figure out a place to mount it. It will depend on what kind of intake you have as to where it can be mounted. Look at the first pic in this thread to see how mine is mounted...or look on my cardomain page (engine page) for more pics.

Now, mount the reservoir. Now, find the PCV valve. It is right below the VIAS acutator assembly. Detach the hose that goes from the PCV valve to the tube upstream of the throttle body.

Put one end of the hose over the pcv and secure with a hose clamp (you can re-use the one that's there already). run that hose to the "in" end of the reservoir. Cut another piece of hose to go from the "out" end of the reservoir (there should be an arrow on it denoting the flow direction) and run that hose to the tube upstream of the TB.

You are done.

This is really easy to do, you just need to look at the engine and figure out where everthing goes in advance. The pics I have should be fine to show you the general area.

That's my ghetto writeup....it's the best I can do this late at night...good luck.

 

Actually the hose size is: 5/16 I.D.(inner diameter). maybe u should get something bigger cuz as i said before it was PITA.

P.S. Thanks Irish for bringing it to us.

 

5/16'' internal diameter seems to be an odd size to buy anyway...

I'm going with 3/8'' (6/16'') internal diameter tubing.

 

i think i may have found a bigger reservoir that looks the same as irish's. its on ebay, lemme know if u guys think itll work...

http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA%3AIT&rd=1

 

I like the look of your set up NewLove. May I suggest installing a 90 degree elbow on the back side to avoid the sharp turn in the hose. You could do it all in brass to match, if you wanted.

 

anyone knows thats inside the commercial catch cans? How are they different from the home depot air compressor filters?

 

Like I said, mine is just a pipe strap with one end bent around the reservoir.
Here's a pic though:


Thanks for the suggestion. I think Im just gunna wait till I get my PR/Cattman intake, then I can just rotate the filter in it's holder and Ill have a straight shot to the inlet :

 

ouh well it's not bigger as the one u can buy for $12 or so. http://www.homedepot.com/prel80/HDUS...gmj.0&MID=9876
hell this link doesn't work. Panda_1 just type in oil filter and then go power tools u'll find it there.
BTW just checked mine filter element it becomes yellowish.

 

awesome...............

 

maybe that explains my loss in power. When i changed my oil i only had about 2 quarts left in the oil pan

 

hell no I don't think so much oil would pass in IM

 

it could if his PCV valve is bad....