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Unread 02-22-2014, 08:46 PM   #1
JeepComanche89
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Any 350z owners?

Alright long story short im wondering if anyone on here has any experience working on Nissans or the like. My cousin has a 2003 350z 6 cylinder 3.5 liter, and it needs new valve cover gaskets. I have never worked on a car of this caliber before, let alone any jap car lol. I was just wondering how hard it would be to get the covers off. I mean i know im going to have to remove a bunch of stuff to get to them, but i was just wondering if there were any hidden surprises. I know its not going to be as easy as an inline 6 . Im confident i can handle it, but just wondering what was in front of me.

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Unread 02-23-2014, 04:21 AM   #2
phitmein
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You are just talking about a valve covers here, if it was the heads it would be a bit more tricky but very do-able IMO .

Google it or go to a Nissan forum and ask them , not here maybe and your odds will be much better there .

Do I think I could do it ?

Yes and the head too if need be, just saying .
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Unread 02-23-2014, 05:01 AM   #3
chowner
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You can do this. The 350z has a truck engine cast in aluminium
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Unread 02-23-2014, 07:13 AM   #4
JeepComanche89
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Quote:
Originally Posted by phitmein
You are just talking about a valve covers here, if it was the heads it would be a bit more tricky but very do-able IMO . Google it or go to a Nissan forum and ask them , not here maybe and your odds will be much better there . Do I think I could do it ? Yes and the head too if need be, just saying .
I tried googling it and a few people were saying it takes a highly experienced mechanic 4 hours minimum. Some people said 6 hours labor if you took it to a shop. I thought those seemed like high estimates, and thought it might be because there was some out of the ordinary things you had to do.
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Unread 02-23-2014, 08:00 PM   #5
phitmein
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I will try gooogling it too and see what I can see .

Any chance that the PCV is clogged/dirty and it just msking a way to get rid of the pressure ?

I would check that first and try tightening the valve cover bolts a tad first .

Edit: have you tried asking on a Nissan forum too ?
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Unread 02-23-2014, 08:40 PM   #6
JeepComanche89
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Quote:
Originally Posted by phitmein
I will try gooogling it too and see what I can see . Any chance that the PCV is clogged/dirty and it just msking a way to get rid of the pressure ? I would check that first and try tightening the valve cover bolts a tad first . Edit: have you tried asking on a Nissan forum too ?
The actual problem is the seal around the spark plug chamber. Apparently it is a common problem for this year group. Im sure my cousin is a member on one of the forums, ill probably just ask him to post something instead of making a new account.
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Unread 02-23-2014, 08:50 PM   #7
JeepComanche89
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Actually i could probably youtube it and im sure i could find a video. That might not be a bad idea
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Unread 02-24-2014, 02:18 AM   #8
phitmein
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I tried looking some and it is dang hard to find much on it and that ain't no lie .

I did see some mention also of that they are prone to having the head gaskets eroding or something very much like that.

That sounds like it would really suck bad too .
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Unread 02-24-2014, 02:34 AM   #9
phitmein
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I will look through these later today and you might want to also .

I saw one about using silicone as a short cut and that may be worth your look too .

https://www.google.com/search?site=&...46.Pdml62HOp4I
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Unread 02-24-2014, 09:07 AM   #10
phitmein
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I asked a member here, to ask his son who is a member here if he would help out .

With luck he will chime in .

He is the man when it comes to most Z's .
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Unread 02-25-2014, 10:43 AM   #11
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I used to drive a Z, now my dad has it. Never had to do any major work on it though.
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Unread 02-25-2014, 12:19 PM   #12
JeepComanche89
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Quote:
Originally Posted by phitmein
I asked a member here, to ask his son who is a member here if he would help out . With luck he will chime in . He is the man when it comes to most Z's .
Thanks i appreciate all the help.
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Unread 02-25-2014, 12:20 PM   #13
JeepComanche89
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Quote:
Originally Posted by Cavasar
I used to drive a Z, now my dad has it. Never had to do any major work on it though.
Cool color
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Unread 02-25-2014, 01:37 PM   #14
number40Fan
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5.2 hours is what it calls for.

Here is a link to download some Snips that I took showing what is needed to remove the valve covers. If I didn't include the picture, it is because it is self explanitory.

http://www.mediafire.com/download/ge...k1voq/350z.zip
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