 Hole in Air Box, what goes there? |
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| Bruce Allert |
 Jul 18 2004, 12:38 PM
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#1
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Hellions asleep  Group: Members Posts: 3,289 Joined: 19-March 03 From: Eagle Creek, Orygun Member No.: 441 Region Association: Pacific Northwest  |
Ever since I got this 2.0 engine this hole has bothered me. Is something supposed to go in there. I'm pretty sure it goes straight thru. Looks like a great big vacuum leak to me.
..........b Attached image(s) 
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| SLITS |
Jul 18 2004, 01:36 PM
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#2
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
that is called the "plenum" and the hole looks like one of the two that mount a thru bolt. Sorry, my eyes are bad or the pic is funky. there is a sleeve that is welded/crimped inside.
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| Bruce Allert |
Jul 18 2004, 01:46 PM
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#3
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Hellions asleep Group: Members Posts: 3,289 Joined: 19-March 03 From: Eagle Creek, Orygun Member No.: 441 Region Association: Pacific Northwest |
QUOTE(SLITS @ Jul 18 2004, 12:36 PM) that is called the "plenum" I knew that (IMG:style_emoticons/default/rolleyes.gif) as with age and sniff'n too much CO with the garage doors closed (IMG:style_emoticons/default/wacko.gif) I couldn't think of the rightful name (IMG:style_emoticons/default/cool.gif) Anyway....... what would one use the hole for with which to put bolt thru it? What's it hold? I did discover there is no vacuum leak there so that's a plus! (IMG:style_emoticons/default/beer.gif) ..........b |
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| SLITS |
Jul 18 2004, 01:59 PM
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#4
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None |
The two "thru" bolts hold the plenum to the plenum mount that bolts to the engine. I'm not near my shop, so I can't take a picture of what I'm talking about.
Also, when the interior sleeve breaks the crimps (from vibration) you will have a hell of a vacuum leak. |
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| Dave_Darling |
Jul 19 2004, 12:09 PM
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#5
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914 Idiot Group: Members Posts: 14,986 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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The mounting holes have bolts in them already in that pic.
The hole shown has a counterpart on the other side of the plenum. Both of those are reinforcements to keep the top of the plenum from squashing down to the bottom of the plenum. They go all the way through, and should be completely sealed off from the inside of the plenum--if you feel an air leak there, seal it up. --DD |
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| mike_the_man |
Jul 19 2004, 05:17 PM
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#6
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I like stuff! Group: Members Posts: 1,338 Joined: 11-June 03 From: Regina, Saskatchewan, Canada Member No.: 809 |
Those bothered the hell out of me too. After taking the plenum out and having a closer look, I decided it was no big deal. What DD said.
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