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Unread 12-03-2012, 06:39 PM   #1
BigRodney
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Stock air box questions, 97 TJ

I had an aftermarket air filter and wanted a stock one. I got this used and installed it but have a couple questions. The air intake horn points right at the fan shroud. Does that look right? The way the alignment notches are designed it can only go on the box one way so it’s pointed the way it was designed but it looks wrong. Also does anyone know what is supposed to be attached to this nipple on the cover? I taped it up for now. The valve cover vents into the tube going to the intake so that’s not it. Thanks.







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Unread 12-03-2012, 08:36 PM   #2
wushaw
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No it's not right, point it up slightly outboard or you will not like deep water crossings when the fan hits the water and you suddenly stop due to hydraulic lock of a piston.
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Unread 12-03-2012, 09:10 PM   #3
bail315
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The "nipple" on the air box is for the ccv tube. The design was changed after 2004 and the breather tube was moved from the intake tube to the air box. Your air box cover is from a later model. As long as your seal it well it shouldn't cause you a problem.
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Unread 12-04-2012, 07:38 AM   #4
BYuen
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You can see the minor difference in an '06 engine:



Just plug up and airbox vent and you're good to go.
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Unread 12-04-2012, 07:50 AM   #5
1FuddyMucker
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Quote:
Originally Posted by BigRodney View Post
Also does anyone know what is supposed to be attached to this nipple on the cover? I taped it up for now. The valve cover vents into the tube going to the intake so that’s not it. Thanks.


Thats for those with a 4cylinder to hook up the nitrous line.
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Unread 12-04-2012, 08:32 AM   #6
Jerry Bransford
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If you rotate the "trumpet" as it is called enough to unlock it and pull it out, that you can reinsert it in a different position and lock it so it points upward as it is supposed to. The pic in post #4 shows the trumpet in the correct position.
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Unread 12-04-2012, 08:32 AM   #7
BigRodney
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Quote:
Originally Posted by BYuen View Post
You can see the minor difference in an '06 engine:



Just plug up and airbox vent and you're good to go.
Did ya take that picture the day you bought the jeep or do you never drive it? Nice jeep, thanks for the picture.
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Unread 12-04-2012, 08:35 AM   #8
BigRodney
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Thanks for the pictures guys. Anyone know why they changed the pcv hose location? Less venture effect, want oil to drip on the filter, could sell a longer hose? Should I update to the new design?
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Unread 12-04-2012, 09:32 AM   #9
BYuen
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Quote:
Originally Posted by BigRodney View Post
Did ya take that picture the day you bought the jeep or do you never drive it? Nice jeep, thanks for the picture.
Not my Jeep. I've got an '01. My engine has always like this



Quote:
Originally Posted by BigRodney View Post
Thanks for the pictures guys. Anyone know why they changed the pcv hose location? Less venture effect, want oil to drip on the filter, could sell a longer hose? Should I update to the new design?
Probably for some kind of emissions thing. I would just keep the old design.
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Unread 12-04-2012, 09:50 AM   #10
prjohnson
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I'd hate to have to clean that & can't imagine what the rest of the jeep looks like. I hate cleaning mud so much!
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Unread 12-04-2012, 10:09 AM   #11
tjstevo
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Originally Posted by BYuen View Post
Not my Jeep. I've got an '01. My engine has always like this





Probably for some kind of emissions thing. I would just keep the old design.
god dam now thats a pretty lookin engine bay
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