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1987 300zx air cond. cold behind dash blows hot out vent Forums > > 1987 300zx air cond. cold behind dash blows hot out vent 1987 300zx air cond. cold behind dash blows hot out vent
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Old 08-23-2011, 07:53 AM
markdenardi
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Default 1987 300zx air cond. cold behind dash blows hot out vent

1987 300zx a.c. blows hot out of the defrost. but i can feel cold air behind the dash. only the fan and the a.c. work on the controls. none of the other controls work. all of the fuses are good. i feel if i can get the controll box to work the a.c. would work. i thank you all for any help
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Old 04-14-2012, 02:17 PM
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captain12pk captain12pk is offline
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2005 Altima SE-R
1988 300ZX
05/88 AltimaSE R
 
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Have you checked vacuum lines?
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Old 02-02-2013, 07:23 PM
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TheBigDrag TheBigDrag is offline
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2008 350Z
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I also had that problem and it turned out to be vacuum lines. Vacuum activates the doors in the heater/AC unit that direct the airflow.
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