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vacuum hoses missing, where do they go??

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Old 05-30-2003, 01:27 AM
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vacuum hoses missing, where do they go??

I checked the diagram, looked in yards, no tpi cars plus posted this in TPI, but no clear responses, so I thought I might try here...

Pics/diagrams/good explanation would be great

2 pics
Attached Thumbnails vacuum hoses missing, where do they go??-plenum.jpeg  

Last edited by Kaps; 05-30-2003 at 01:30 AM.
Old 05-30-2003, 01:28 AM
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and this one, the line is broken like 1inch away, cant see where it would go...

Thanks for all the help!
Attached Thumbnails vacuum hoses missing, where do they go??-can.jpeg  
Old 05-30-2003, 11:43 AM
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btw its a 88 gta, seems like the lines got changed from diff years in searches, but maybe not. Anyone with ideas?
Old 05-30-2003, 12:10 PM
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Car: 00 TA, 91 Formula, 89 RS
Engine: LS1 / 305 / 2.8, respectively
Transmission: T-56 / auto / auto
The small line on the last picture is a vacuum line that goes to your heater controls... and the thing it's running into is your heater diverter valve.
Old 05-30-2003, 01:03 PM
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thanks man! any ideas as to the first one?
Old 05-30-2003, 02:53 PM
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ok, I found one broken vac line in a loom by the firewall that has the coil wires in it, which one connects to that? And where would the other be? Please help, I would like to use my AC, vents not working!!

Thank you!!:hail:
Old 06-02-2003, 03:31 PM
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ok, the broken line I found doesnt seem to do anything when I hook up either lines. Which one is the hvac controls, and what does the other thing do? Main concern is getting the HVAC controls working any help? Begging over here...
:hail: :hail:
Old 06-04-2003, 12:42 AM
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can somebody guess for me? really need to have this done with...
Old 06-04-2003, 07:22 AM
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Zis vacuum hose, from long ago -
Where are zey from? Where DID zey go?



Sorry, but my '86 doesn't have the coolant control valve (thankfully), but is like this:

Old 06-04-2003, 03:32 PM
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Does the heater control valve work the heater controls? Thanks for taking a look Vader
Old 06-04-2003, 05:43 PM
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see if this helps
Attached Thumbnails vacuum hoses missing, where do they go??-88vacumn.jpg  

Last edited by H0TR0Dn; 06-05-2003 at 06:06 PM.
Old 06-04-2003, 10:02 PM
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I wonder if you would mind doing it in either hot pink or thicker lines please? I cant see it too good, but it looks like thats what I need to know! (heater valve) The cruise control on there, a T comes off the line and dont know where it goes, but if it isnt whats stopping my heater im not too concerned about it right now. Thanks soo much!:hail:
Old 06-05-2003, 06:12 PM
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I have a T there too that is plugged
Old 06-05-2003, 06:31 PM
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mine has a broken line coming off the T and has vacuum hissing when car is on... I hate my car,lol
Old 06-05-2003, 09:47 PM
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hey great pictures...

what is the black thing on the bottom of the 2nd picture he posted? with the hoses going into it? Can i remove it? Is it something with the smog pump? I am doing a smog delete and i need to know what all i can get rid of. Thank you very much.
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