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Date Registered: 11-2016
TOTAL POSTS: 3
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PCV Valve on T30?


Hi,
My wife and I have a 2004 T30 Ti Auto with about 82k on the clock. It's only driven 2-3 times per week about 30km each (but at 100kph on the expressway). Anyway, at a recent service, the dealer (Grand Nissan in Adelaide) noted that the engine was really low on oil.

Suggested causes were: worn rings or leaking valve seals

I asked about checking and/or replacing the PCV valve. The mechanic tried to tell me that the PCV valve was integrated in the rocker cover and that they hadn't checked it because they didn't have a new gasket.

I can see the fitting where the PCV valve should be on the back of the rocker cover, but don't know if there's a nut on the inside or if this is just a fitting or is actually the valve.

If this is a normal PCV valve, why would the mechanic blatantly lie about this?

The local supercheap auto doesn't have a listing for a PCV valve for an x-trail. Any suggestions on sourcing one?

Thanks for your help,
Cyle
16/Nov/2016, 9:03 am Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5250
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Re: PCV Valve on T30?


What grade of oil are you using ?

Our engines start using some oil as they get older and the 5W30 is really too thin at out higher ambient summer temps for the chain tensioner.

I also had some oil consumption close to the 100k mark and solved it by changing to Penrite Full-Synth 10W50 oil so give it a try first.

---
Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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17/Nov/2016, 8:00 am Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 11-2016
TOTAL POSTS: 3
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Re: PCV Valve on T30?


Thanks Kev,
The dealer said they refilled it with Magnatec 10W30, and I got some Magnatec 10W40 for top-ups. We'll see how it goes.

Any idea of the PCV valve question?
17/Nov/2016, 1:29 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5250
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Re: PCV Valve on T30?


The service manual shows a torque setting of 18-26 in-lb so it should just screw off.

You should be able to check the PCV valve by unplugging the hose and hearing air passing through it.

---
Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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17/Nov/2016, 11:55 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 07-2008
Location: Melbourne, Australia
TOTAL POSTS: 37
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Re: PCV Valve on T30?


I thought I would check mine as well as the car has now done 275K. Nissan wanted $50 for a new one plus $6 for the O ring that seals it but in the end mine was fine so didn't buy it.

On the T30 the PCV is not integrated into the rocker cover, it simply screws into the back of it. Slide the small clamp back on the hose, push the hose back and the PCV is ready to take out. It's a 23mm head and although you can get a socket on it, you won't get it on with a [sign in to see URL] needed to use an adjustable filter wrench on the socket to get it off but it's not tight (a normal 23 mm spanner would [sign in to see URL] even a pair of pliers).

Mine worked just fine: I refitted it to the hose and started the engine – it was sucking fine. Also took it out and blew/sucked in each end to make sure it was functioning properly.

It's a little fidgety working around the spark plug leads but it's still only a 10-15 minute job.

---
Greg


Stock Standard Gold xtrail T30 Series I
2003 275,000km
14/Mar/2018, 7:06 pm Link to this post Send Email PM   Send Private Message
 


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