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what is the hole on the intake manifold for?

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Old 07-17-2007, 11:59 PM
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Default what is the hole on the intake manifold for?

what is the tube that goes from the intake manifold body into the hole that is between #3 and #4 tube? what is the consequence without it?

thanks

you can see the picture here
http://cgi.ebay.com/ebaymotors...QrdZ1
Old 07-18-2007, 02:33 AM
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Default Re: what is the hole on the intake manifold for? (RiversideS13)

that tube connects to the black box on the back of the engine block.

its for your PCV valve.

the PCV valve connects to the top of the tube (the "Hole" you speak of")

then a vacuum line runs from the pcv valve to the intake manifold
Old 07-18-2007, 09:37 AM
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Default Re: what is the hole on the intake manifold for? (92ehatch)

thanks for help. what is the consequence of not having pcv valve intact?
Old 07-18-2007, 10:17 AM
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Default Re: what is the hole on the intake manifold for? (RiversideS13)

you will have a huge vacuum leak and idle at about 3k
Old 07-18-2007, 11:08 AM
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Default Re: what is the hole on the intake manifold for? (gd99em1)

thanks!!! it explains why i have crazy idle .....
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