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Installing a PCV Blow-by Oil Catch on a Nissan Maxima/Infiniti I30

December 10, 2009 by admin

Credit to Beancooker for the writeup.

I TAKE NO RESPONSIBILITY IF YOU MESS UP YOUR CAR!!! PROCEED AT YOUR OWN RISK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

O.k. this is a really easy mod, it won’t give you horsepower, per se, but keeps you from burning any blow-by oil and dirtying your intake manifold. Also adding oil to gas lowers octane level. I was given this idea from IRISH44J, so thank him, I’m just passing along useful information.

1. Go to Home Depot, look in the air compressor section and find a “huskey” brand water catch $10.Find two 3/8″ brass nipples to fit the in and out sides of water catch $3.50. Find about 5ft. of 3/8″(inside diameter) hose, must be the reinforced kind (safe for vacuum) $7.50. Four hose clamps will be needed $2.00. One small roll of yellow Teflon tape (for gas pipes and petroleum products) $1.25.

2. Assemble the nipples to the water catch (water catch will be your oil catch). Don’t forget to use Teflon tape on threads.

3. Find a good mounting point for your oil catch and mount in place. (I used the OEM airbox bracket)

4. Remove your OEM PCV valve hose. Attach a length of the new hose to the PCV valve and clamp in place. Run new hose to the “in” side of the oil catch. Attach to oil catch and clamp in place. Run new hose from “out” side of oil catch to the vacuum pipe on the intake manifold (where the OEM hose was connected). Clamp in place. Make sure everything is tight, start car and check for leaks. (If you smoke, lite a cig and hold it near the hose clamps to see if it draws smoke in)

5. IT WILL SOUND DIFFERENT than it used to. More of a whistle sound.

6. You’re all done, have a beer (or a Pepsi) and catch some oil. Depending on your car and PCV valve you may catch a little or a lot of oil. If the catch tank fills in 50-100 miles check into a new PCV valve. I have a new PCV valve and catch about 3oz per 100-150 miles.

PICTURES (Click for full size)

Filed Under: I30-I35 Articles, Maxima Articles Tagged With: blow-by oil catch, how to, I30, infiniti, install, maxima, nico, Nissan, pcv

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