pcv valve

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Sep 16, 2019 | 03:57 AM

#31

copperny

Driver School Candidate

Joined: Sep 2019

Posts: 36

Likes: 3

From: NY

Quote:

Originally Posted by simplecar

would replacing the pcv valve help stop the rear main seal leak?

It may or may not help, once had a 1973 Ford with a bad PCV valve and pumped oil up the dipstick tube!

Jun 3, 2021 | 02:04 PM

#32

jamsk8s

Driver School Candidate

Joined: Oct 2019

Posts: 5

Likes: 0

From: Michigan

Oil Consumption

Quote:

Originally Posted by dugoram

I purchased an OEM PCV part number Lexus 12204-20040 and when I tried to replace the plastic PCV with the 90 degree angle with the new metal PCV I realized I could not install without removing the rubber bushing. Is this the correct way to install? I am hesitant to remove the bushing and try to screw in the new one.

Be careful removing that bushing, its rubber and might be brittle to crumble in the cover. I am losing oil so I might install the newer valve cover with the screw on 90 degree pcv they both arnt the same. I know oil gets through my pcv. All I can think is there is a reason they changed the design.

Jun 4, 2021 | 04:19 PM

#33

salimshah

CL Community Team

Joined: Apr 2001

Posts: 16,566

Likes: 1,391

From: Austin, TX

Quote:

Originally Posted by jamsk8s

PCV is just one component. Drain tubes, valve cover design, tilt of the bank1, drain tube blockages due to sludge etc all play a part. None of the early models showed any oil loss through the intake till they passed 60K miles. [At least I have not come across such post]. Even with the newer Gen2 valve cover folks reported oil consumption through the air intake. But do what you feel gives you an improvement and share results.

Salim

Last edited by salimshah; Jun 4, 2021 at 11:12 PM. Reason: 60k reference point