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Car Forum / Nissan / Nissan Cars / November 2008

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PCV valve on 2001 Frontier

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Kevin Marsh - 23 Nov 2008 16:21 GMT
I have followed this group from time to time for a couple of years and have
found good advice here. As I finally have a new server that allows me to
post, I can finally pose a question of my own.

My Frontier has the 2.4 L engine with auto trans and factory air. It has
standard US emissions configuration, AFAIK. I did a tune up at 80K plus
miles a few months ago. I bought OEM plugs, wires, cap, rotor, breather
filter, air filter, and PCV valve from an online supplier. The catalog
listed the PCV for my truck. I have an electronic version ( pdf files ) of
the Nissan factory shop manual. They both tell me to replace the valve. I
can't find it. I took it to a local garage, accepting they might think me an
idiot. They can't find it, either. Every vehicle I have had for the last 30
years has the valve at the air filter housing, or in the tube leading to it.

The manual has no useful illustrations I have been able to find.  Does this
vehicle actually have a PCV valve, or was it omitted for some reason?

Anyone who can offer an idea, or has experience to share, please let me
know.

Thanks,
Kevin

** Posted from http://www.teranews.com **
al - 24 Nov 2008 02:19 GMT
> I have followed this group from time to time for a couple of years and have
> found good advice here. As I finally have a new server that allows me to
[quoted text clipped - 20 lines]
>
> ** Posted fromhttp://www.teranews.com**

I am not familiar with your vehicle but the standard design of a PCV
system should result in two separate rubber hoses coming out of the
valve cover.  One goes to the air filter housing.  The other goes to
the PCV valve which is typically screwed into the intake manifold.
Trace the two hoses back and you should find it at the end of one of
them.  Good luck.  Al
Striker - 26 Nov 2008 19:23 GMT
I believe it is under the intake manifold and a bear to get to.

Striker

>I have followed this group from time to time for a couple of years and have
>found good advice here. As I finally have a new server that allows me to
[quoted text clipped - 20 lines]
> Kevin
> ** Posted from http://www.teranews.com **
Kevin Marsh - 29 Nov 2008 03:27 GMT
I think that job may have to wait until it is absolutely necessary. What
were they thinking?
Thanks,
Kevin
>I believe it is under the intake manifold and a bear to get to.
>
[quoted text clipped - 25 lines]
>> Kevin
>> ** Posted from http://www.teranews.com **

** Posted from http://www.teranews.com **
Striker - 29 Nov 2008 20:10 GMT
I replaced the PVC valve on my truck at 160,000 miles and it still was good.

Striker

>I have followed this group from time to time for a couple of years and have
>found good advice here. As I finally have a new server that allows me to
[quoted text clipped - 20 lines]
> Kevin
> ** Posted from http://www.teranews.com **
 
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