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vaccuum diagram anyone?

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Old Dec 23, 2004 | 07:43 AM
  #1  
subgunman's Avatar
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vaccuum diagram anyone?

Hello again,
Got the new motor in my sons project 88 iroc 350 and it runs very well.
Next question, the vent plemun is not working, or it will not change positions anyways. It is currently blowing out on the front windshield and the floor at tthe same time and will not chage to any other location.
I pulled the selector out of the dash and there was no vaccuum present at the selector.
I have double and triple checked under the hood and all vaccuum hoses appear to be hooked up and have vaccuum. This car had been sitting for a year or so before we bought it.
Anyone got a diagram of the vaccuum for the ventilation system of a 1988 so I can trace it from the engine compartment to the plenum?. Not sure where to start!
thanks
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Old Dec 26, 2004 | 01:49 PM
  #2  
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Yes.
Attached Thumbnails vaccuum diagram anyone?-hvacvacuumcircuits.jpg  
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Old Dec 26, 2004 | 01:52 PM
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From the other side of the firewall:
Attached Thumbnails vaccuum diagram anyone?-hvacvacuum.jpg  
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