RX - 4th Gen (2016-2022) Discussion topics related to the 2016 and up RX350 and RX450h models

PCV Valve

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Old 12-27-16, 09:45 AM
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BP1203
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Default PCV Valve

Took my car to the dealer this AM for a leaky rear shock replacement...called back telling me they were taking care of the shock and wanted to steal all of my money replacing filters (funny considering the air filter is a K &N and I'm not paying $48 for a cabin filter that takes me 30 seconds to swap)...he did mention PCV valve. Didn't know cars still had them...can someone tell me location or a video DIY? Thanks
Old 01-22-22, 11:24 AM
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mickb
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Default PCV valve

Originally Posted by BP1203
Took my car to the dealer this AM for a leaky rear shock replacement...called back telling me they were taking care of the shock and wanted to steal all of my money replacing filters (funny considering the air filter is a K &N and I'm not paying $48 for a cabin filter that takes me 30 seconds to swap)...he did mention PCV valve. Didn't know cars still had them...can someone tell me location or a video DIY? Thanks
Because it is an inexpensive part & easy to replace, I would do it at 90K miles. It is located at the right rear as you're facing the engine with a small hose connected. Look for the pink plastic ring on top. See photo:

2013 -17 PCV valve
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Les7311 (02-14-22)
Old 01-22-22, 11:38 AM
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Quantum501
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Just an FYI per TIS
it is a 22 mm deep socket....light oil on O-ring.

Torque to 5 Nm

PN 12204 0P020 on the 2020.
Cost under $10

Location must differs by year...not sure what year you have. On my 2020 it is under the beauty cover in the front right next to coil pack.



Not my vehicle but from CL post somewhere else.

Another cheap and easy replacement that dealership would love to charge you $100 to do.

Last edited by Quantum501; 01-22-22 at 11:55 AM.
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jollick (01-22-22)
Old 01-24-22, 04:43 AM
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kalvink
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It is super easy, took more time finding my 22 mm socket.
Old 01-24-22, 12:05 PM
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jcg0324
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The PCV (positive crankcase ventilation) valve is an overlooked item but easy to service. Most of the toxic crankcase air goes through this valve. Over time it can get all gunked up.You can replace it or clean it with CRC Lectra-Motive electric parts cleaner or something similar. Do not use any product that leaves a residue. Definitely not WD-40. How often to service? Who knows. At a bare minimum I would say every 8 years or 80,000 miles. Very easy and very inexpensive.
Old 01-31-22, 12:35 PM
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396chevy
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If you have a can of carb clean, it's not a bad idea to pull it out every year or so and clean it to prevent build up. Not a lot of Aftermarket options for these things yet, so unless you are going to buy other items from the dealer, I wouldn't go out of my way to buy a new one as a preventative measure.

A/M options I found - BECK/ARNLEY Part Number 0450439
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