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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Heating & Cooling TECH > No air blows through dash registers
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Old 07-15-2013, 11:06 PM
hondo237 hondo237 is offline
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Join Date: May 2012
Location: FLORIDA
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Default ac trbl
see your reply not familiar with ac box how does it look like i have a 71 lemans mechanic changed hoses and now having same trbl check vacuum like seem to be in tact appreciate the help

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Old 07-17-2013, 04:58 PM
sport coupe sport coupe is offline
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Future reference. Diagram does not show engine vaccum source.

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  #3  
Old 07-27-2013, 12:33 PM
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69Farburd 69Farburd is offline
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If yours is like my 69 Firebird, the controls are actuated by vacuum from the engine. Do you have a vacuum line attached to the carb, and are you trying to get to work with the engine running?

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