PCV Valve replacement - Nissan Murano Forum
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#1 Old 09-03-2009, 02:25 PM
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Question PCV Valve replacement

I'm looking to replace my PCV Valve. I purchased a new one from Autozone. It is a screw-on type. I removed the engine cover and what the.... I looked everywhere but could not find it under the hood. I checked the SM, which has a very poor schematic and still no luck. I know it should be going to valve covers, but can't seem to find it.

Has anyone replaced theirs? If so, could you help me locate it or do you have a picture of its location?

Thanks.

Biggun

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#2 Old 09-03-2009, 04:20 PM
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bg-

The PCV valve is located on the rear valve cover under the engine cover.

According to Homer (and other knowledagble sources) the PCV valve is teflon-coated and rarely, if ever, needs to be replaced.

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#3 Old 09-03-2009, 04:41 PM
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Thanks nj,

I did look on the rear valve cover (or at least I think I did - still haven't got use to looking at this transverse engine). I even tried to follow some of the breather hoses with no luck. I think a picture in this case would be priceless.

Not to question Homer and others, but even a teflon frying pan would get gunked up after close to 5 years of use without cleaning. My Mo is approaching 80K and runs great. I want to keep it that way and the peace of mind for $4-6 bucks is worth it for me.

-bg

05 Merlot AWD S w/Convenience Package, Tow Package, Sirius Radio

Upgrades:
- OEM Homelink Mirror, Tweeters, FOG (on with parklight)
- 2007 OEM Chrome HVAC Knobs, Alum. Rear Protector, Wheels
- Alum. Pedals & LED Lights in Vents

Future Upgrades (hopefully some day):
- LED Taillight Upgrade (have parts for control board)
- OEM HID Headlights (have parts)
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#4 Old 09-03-2009, 04:47 PM
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If you have the time/ability please post pictures of the replacement.

Perhaps if you find the external hose that connects to the cover it may lead you to the PCV?

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#5 Old 07-26-2010, 03:58 AM
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Hi guys! Finding out on how to change the pcv valve, cause it's on my maintainance schedule at 96k has anyone have a good resource on this, I don't have manual to look on...

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#6 Old 07-26-2010, 04:24 AM
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You have to remove the Intake Manifold; rear left you will see 4"-6" hose connected from Intake Manifold to rear valve cover. Once the the Intake Manifold and hose is removed you will be able to remove the PCV valve. This is why I replace it every time I replace Spark Plug (had done it twice) both times the pcv valve did look worn.
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#7 Old 07-26-2010, 07:21 AM
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Thanks DJFRDJR, stealership were charging me $90 for the pcv valve including labor. I'll give a try.

=======================
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#8 Old 07-26-2010, 07:24 AM
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By the way, do I need intake manifold gasket too? This should be done with the spark plugs to save time and parts too. What do you think...

=======================
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#9 Old 07-26-2010, 07:35 PM
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I'm not sure why anyone assumes the PCV valve is bad after only 80K miles. Most of the vehicles I've run to 130K miles or more have the original PCV valve and it's working fine.

However, I agree that if I had to pull that stupid manifold to replace it, I'd darn sure do it when I had the manifold off for other work.

Same theory as the many vehicles that require you to pull the timing belt to replace the water pump...when you replace the belt, you replace the water pump and any related parts at the same time. Smart thing to do.

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#10 Old 08-16-2010, 08:30 PM
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Last thing here is, no one mentioned if you need a silicon gasket on the intake manifold, or just put it back after the PCV is done.

=======================
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#11 Old 08-24-2010, 01:54 PM
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And what is the part # of the PCV valve?

=======================
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#12 Old 08-25-2010, 03:38 AM
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I replaced its when changing spark plugs, so I did replace the gasket. I purchased it from AutoZone for under $10.
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