5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Catch can

Old 02-13-2018, 10:36 PM
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Catch can

I've been looking and reading other threads about the home made oil catch can for a 02 max. The photos are on photo bucket, and i cannot view them. Does anyone happen to have pictures of where to run the hosing for the catch can? or a detailed explanation lo. Thanks
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Old 02-14-2018, 10:56 AM
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What are you confused on? The inlet to the catch can will be from the PCV valve on the back of the intake, and the outlet will connect to the intake manifold where the original hose was. A lot of people put the catch can by the passenger side motor mount and then run the hosing to where it needs to be. You can probably tuck it to make it a cleaner look.
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Old 12-10-2018, 06:20 PM
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Sorry to bump an old thread, but I am not finding any good catch can install pics for a 5.5 gen. Please share your clean installs
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Old 12-10-2018, 08:43 PM
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Dont have a pic unfortunately. But as subwayvq said, your basically putting it in-line of your PCV hose. Extremely straight forward, I used one of the husky brand air compressor oil filters that home depot sells for $20. The bottom had a crappy plastic drain valve which in theory seemed cool but wasnt very airtight, so i hit it with a propane torch and melted it closed permanently. Make sure that the hose on your front valve cover that leads to the intake is still there, because that air is metered. If you leave it open youre just giving yourself a massive intake leak.

That being said, screw the catch can, just delete PCV entirely and call it a day lol.
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Old 12-11-2018, 01:33 AM
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I run breathers only on the maxima
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Old 12-11-2018, 08:21 AM
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Originally Posted by Child_uv_KoRn View Post
I run breathers only on the maxima
Just be careful with those... they can clog.

I run both valve covers to a vented catch can. The PCV valve is drilled out. My car is boosted tho.
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Old 01-30-2019, 11:56 AM
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In case others want to see an install. It fit nicely behind the passenger headlight. Used an existing threaded hole (vertical) located next to the overflow tank to bolt in an L-shaped bracket. Loosely zip tied the 3/8" fuel hoses to the AC hard line. Just a cheap addw1 clone that works well. Cleaned inside of IM before install. Bottom of can is coated in oil after just 300 miles and return line is oil free.


Last edited by CRBWS6; 01-30-2019 at 12:02 PM.
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Old 01-31-2019, 06:57 AM
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nice ! thanks for posting,
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Old 03-04-2019, 01:58 PM
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Originally Posted by CRBWS6 View Post
In case others want to see an install. It fit nicely behind the passenger headlight. Used an existing threaded hole (vertical) located next to the overflow tank to bolt in an L-shaped bracket. Loosely zip tied the 3/8" fuel hoses to the AC hard line. Just a cheap addw1 clone that works well. Cleaned inside of IM before install. Bottom of can is coated in oil after just 300 miles and return line is oil free.

Thanks for sharing a picture of your install.

How long were the 3/8 hoses you used to connect the catch can to valve cover. Did you route both PCV valve hose and hose that would normally go to intake to the catch can? Or just the PCV (looks like its just hoses from catch can to PCV only)?

I was looking to also do a catch can setup similiar to what project import does for the 350z/G35, but i was unsure where I could properly mount the catch can. Thanks for giving me some ideas.
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Old 03-04-2019, 03:03 PM
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I have no idea what I'm looking but it sure looks good!
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Old 03-05-2019, 09:03 AM
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Demonteverde32,

How long were the 3/8 hoses you used to connect the catch can to valve cover. 2 pieces of 30" long 3/8" fuel line.

Did you route both PCV valve hose and hose that would normally go to intake to the catch can? Or just the PCV (looks like its just hoses from catch can to PCV only)? Yes, I basically replaced the existing 6" long hose between the PCV and the intake plenum with the 2 new hoses and the catch can. No changes to the flow: PCV --> Catch Can --> intake.
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Old 03-05-2019, 10:08 AM
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Originally Posted by ChrisMan287 View Post
Just be careful with those... they can clog.

I run both valve covers to a vented catch can. The PCV valve is drilled out. My car is boosted tho.
Don't worry, super chinesium breathers can never be fully sealed....too ****ty lol
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