a/c wont blow out of top vents
08-21-2010, 05:08 PM
#1
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a/c wont blow out of top vents Hi, my a/c wont blow out of the vents that go to your face. It will blow freezing cold on your feet and the defrost on top. But it wont blow out of the vents by the doors, and over the radio. Any help is greatly appreciated
08-22-2010, 02:05 AM
#5
Same problem. I know for a FACT I didn't leave the one unhooked on back of intake, I triple checked to make sure it was 100% plugged up. Not a clue where mine is. Pisses me off either way.
Did you swap your intake and then it started happening?
Did you swap your intake and then it started happening?
08-22-2010, 06:07 PM
#6
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this is actually on my moms stock 98 z28.. i dont know where the plug in the back of the manifold is.. can you access it without taking off the manifold? what does it look like?
08-22-2010, 06:37 PM
#7
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No need to remove the intake. Just follow the vac line coming from behind the intake towards the passenger side near the PCM. shbox has a writeup on it for a LT1, ours is similar. Give me a min....
http://shbox.com/1/4th_gen_tech2.html#HVAC_vacuum
http://shbox.com/1/4th_gen_tech2.html#HVAC_vacuum
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08-24-2010, 09:54 AM
#8
It is the only vacuum line going to the back of it, you can't miss it. There are only 3 things on the back of it, that is one. It is very small. It will be next to the MAP sensor and the oil sending unit.
