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Redesigned Valve Covers for V36? another spark plug tube seal thread.

G35 Sedan V36 2007- 08 Discussion about the 2nd Generation G35 Sedan 2007 - 08

Redesigned Valve Covers for V36? another spark plug tube seal thread.

  #1  
Old 11-04-2012, 12:54 PM
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does the V36:VQ35HR still suffer from the oil in spark plug tube issue?

Just recently picked up an 07 g35x, coming away from a 2012 cruze, and 03 350z. Now I remember the old oil in the sparkplug tube issue in my 35de. Now I've searched around, found countless threads on this issue be it this website, alongside Nico, and others... and I know its a very prevalent issue in the vq35de's, but I couldn't find anyone posting issues specifically stating their v36 with this issue, rather than assuming and tearing apart my new purchase right away, is this common knowledge that the hr is not affected by the poor design of the de valve cover and grommets? Am I rid the oil submerged coil pack? Anyone have enough mileage on their 3.5 v36 clock, and did their own sparkplugs?

Thanks in advance, and see no problem with using this site as my main portal of information and info contributions. Looks good guys :thumbsup:
 

Last edited by v36nspec; 11-04-2012 at 02:25 PM.
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Old 11-04-2012, 01:54 PM
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From what I've seen here, it has not been an issue, at least certainly not to the extent of the earlier engines. Here's a recent thread you may find interesting:

https://g35driver.com/forums/g35-sed...intenance.html

(That's after 110K miles)
 
  #3  
Old 11-04-2012, 03:54 PM
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Thanks for the heads up vqsmile! That's a potential +1 possible leak, its hard to go by only one persons account; however, after 100+k, a small amount of oil is a good sign.
 
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Old 11-04-2012, 05:00 PM
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Originally Posted by v36nspec View Post
Thanks for the heads up vqsmile! That's a potential +1 possible leak, its hard to go by only one persons account; however, after 100+k, a small amount of oil is a good sign.
That's exactly what I thought too. If it's only a trace or so at 110K, that's not bad at all.
 
  #5  
Old 05-28-2019, 09:57 PM
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G35X

Passenger side HR valve cover from CNS

I'm at 160K (257km) and I have puddle in my 2007 G35x on cylinder 1. I temporary replaced coil boot and ignition plug to get rid of misfire code, while valve cover from cns (ebay) was in transit. Just got the covers in the door today. They look fine, besides a broken tab. Wonder what tab is used for?? It looks identical to the one on the right. If its for holding a crankcase ventilation hose, Im not making any big deal of it.
 
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Old 06-01-2019, 04:29 PM
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G35x w/ Premium and Navigation
I actually just did the spark plugs in my '08 G35x yesterday, and only one spark plug tube had oil in it. It was on the passenger side, furthest plug back. I cleaned it out and replaced the plug, but I plan on doing the valve cover gasket at some point. I just kind of expected it at this mileage and age.
 
  #7  
Old 06-01-2019, 05:50 PM
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Changed my plugs recently, right around 120k miles, and didn't notice any oil in the pockets (or on the coil packs).
 
  #8  
Old 06-01-2019, 05:50 PM
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G35X
Did you have any misfire codes as well?
 
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