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What part is this? Do i need it?

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Old 02-10-2010, 05:13 PM
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Default What part is this? Do i need it?
It connects to the back of the intake manifold...what is it and is it needed...looks to be blocked off already i am thinking after my headers were installed, maybe has to do with the AIR system...thanks

Chris



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Old 02-10-2010, 08:50 PM
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?!?!...that's not from your 2002...
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Old 02-10-2010, 09:03 PM
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is that something from the AIR system??? its been so long that I removed all the stuff I dont remember! where do the vacuum lines lead to???
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Old 02-10-2010, 09:19 PM
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If i remember right it is the vac line that changes your blend doors when you change from defrost to vent.
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Old 02-10-2010, 09:25 PM
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Originally Posted by joecar
?!?!...that's not from your 2002...
yea that is from my 02...it mounts on the back on the drivers side on the intake manifold...then the line runs along the back and connects to the intake on the rear passenger side...if you have a fast or ls6 intake there will be a port...
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Old 02-10-2010, 09:42 PM
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Old 02-10-2010, 09:47 PM
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Originally Posted by Dewman
yeah the nipple plugs into the intake manifold...my question is do i need it i want to cap it off and remove this piece...thanks



here is where it plugs into the manifold...

so can it ditch this piece, all of my AIR is gone already...unless this is for something else...
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Old 02-10-2010, 09:50 PM
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if you want to change from your heat/ac blowing on the floor or as a defroster then yes you need it.

i am 90% sure it is the vacuum line that actuates the blend doors in the dash
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Old 02-10-2010, 09:56 PM
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Originally Posted by Dewman
if you want to change from your heat/ac blowing on the floor or as a defroster then yes you need it.

i am 90% sure it is the vacuum line that actuates the blend doors in the dash
ok thanks i will probably just leave it then...

anyone else verify, i tried searching the numbers but came up with nothing
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Old 02-10-2010, 10:46 PM
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Are you refering to the Delco box? If yes, you can remove it and the short U shaped vacuum line. Both are for the air system.
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Old 02-10-2010, 11:52 PM
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just remove the AIR system completely and plug the ac/heater vac line directly to the barb on the back of the intake
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Old 02-11-2010, 12:23 AM
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exactly...the blend doors are controled by the controls inside on the dash. all they need is vacuum supply.
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Old 02-11-2010, 06:41 AM
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alright so I can ditch everything at the T and just hook the lead line into the intake...thanks
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Old 02-11-2010, 07:24 AM
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Originally Posted by nemss1
just remove the AIR system completely and plug the ac/heater vac line directly to the barb on the back of the intake
Exactly what I did. Go for it. My hvac wasn't working for awhile so I took the intake completely off and found out a rodent ate through this vacuum
line. I was pissed
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Old 02-11-2010, 07:57 AM
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Originally Posted by Dskeet6
Exactly what I did. Go for it. My hvac wasn't working for awhile so I took the intake completely off and found out a rodent ate through this vacuum
line. I was pissed
damn country farm parking...
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Old 02-11-2010, 02:04 PM
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Originally Posted by chrs1313
alright so I can ditch everything at the T and just hook the lead line into the intake...thanks
yes sir
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Old 02-11-2010, 02:46 PM
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Originally Posted by Dewman
if you want to change from your heat/ac blowing on the floor or as a defroster then yes you need it.

i am 90% sure it is the vacuum line that actuates the blend doors in the dash
thats what it is sir.
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