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Torque Setting for PCV Valve on Ap2 Cover ?

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Old 03-11-2010, 06:13 PM
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i think its the same washer as the engine oil drain bolt. i think i torqued it to like 17 or something... can't really remember now... 8.7 is not very tight i don't think. you gotta crush the washer to make a seal don't you?
Old 03-16-2010, 06:43 PM
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Originally Posted by terahertz,Mar 11 2010, 11:13 PM
i think its the same washer as the engine oil drain bolt. i think i torqued it to like 17 or something... can't really remember now... 8.7 is not very tight i don't think. you gotta crush the washer to make a seal don't you?
yeah 8.7 ft lbs isn't very tight, but I wanted to be safe, it is snug, but not sure if it is enough to squeeze the washer. If I could find an exact figure for it , I'd like to tighten it up. Thanks for the reply. Wish I could find a definite number from a service manual or owner's manual.
Old 03-16-2010, 07:01 PM
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I believe it is around 15-18lb-ft. This would give you an idea that it isn't torqued on very tightly.

For something like this you don't need a torque wrench. Just hand-thread it to prevent stripping the threads, then once resistence is felt, tighten it with a wrench without much force until you feel the resistence. In other words, torque it down with a wrench using your wrist muscle INSTEAD of your arm muscle.

Sometimes, applying the maximum torque specified by the manual MAY strip the threads. Tighten it by feel to most people would prevent that.
Old 03-16-2010, 07:08 PM
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Originally Posted by castamir,Mar 16 2010, 11:01 PM
I believe it is around 15-18lb-ft. This would give you an idea that it isn't torqued on very tightly.

For something like this you don't need a torque wrench. Just hand-thread it to prevent stripping the threads, then once resistence is felt, tighten it with a wrench without much force until you feel the resistence. In other words, torque it down with a wrench using your wrist muscle INSTEAD of your arm muscle.

Sometimes, applying the maximum torque specified by the manual MAY strip the threads. Tighten it by feel to most people would prevent that.
okay so the torque spec is around that range, I was a bit low then. I just started out at 8.7 ft lbs to be safe as everything that bolts into the valvecover seems to be that setting.

yeah so basically just snug it tight, wrist action only, good way to describe it. I think I will tighten it down a bit more then. I haven't driven it yet since the installation.

I love the upgraded pcv valve of the ap2 compared to my ap1 valvecover pcv, seems like a much better design, might help reduce oil consumption a tad.

Thanks for the advice.
Old 03-16-2010, 07:40 PM
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it didn't help me reduce oil consumption at all...but at least i tried.
Old 03-16-2010, 07:57 PM
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Originally Posted by jyeung528,Mar 16 2010, 11:40 PM
it didn't help me reduce oil consumption at all...but at least i tried.
On my current fill of motor oil my consumption has decreased, it is very little to almost none. It was higher with the last brand and viscosity of oil that I was running. I'd recommend the motor oil that I'm running if you were willing to try it.
Old 03-16-2010, 08:09 PM
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on non critical things like this..its pretty simple to just tighten it, and use ur head and dont put a 1/2 drive ratchet on a 12-14mm nipple fitting and let it have it..
Old 03-16-2010, 08:27 PM
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yeah it isn't a critical part so the worst it could do is leak a bit if it isn't tight enough, leading you to just tighten it a bit more I guess.
Old 03-16-2010, 09:03 PM
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I was just checking the manual and I couldn't find the torque spec! I may be wrong when stating that bolt is around 15-18lb-ft!!!

Just play it safe and go by the feel when you tighten it. Don't use too much force when torquing this down as this component is not as reliant on torque than wheel lugs!!!
Old 03-17-2010, 04:52 AM
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Originally Posted by castamir,Mar 17 2010, 01:03 AM
I was just checking the manual and I couldn't find the torque spec! I may be wrong when stating that bolt is around 15-18lb-ft!!!

Just play it safe and go by the feel when you tighten it. Don't use too much force when torquing this down as this component is not as reliant on torque than wheel lugs!!!
yup, thanks for checking, I'll just keep it safe and just snug it down rather than worrying about washer crush and torque settings. I appreciate you checking on this.


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