camaro air conditioner prob

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07-11-2009, 06:50 PM

mobster34

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camaro air conditioner prob

hey so i got a 99 ss camaro and the vents wont change off defrost. ive checked all the lines replaced a 2 way check valve and still nothin any ideas?

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07-12-2009, 01:11 PM

mobster34

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any ideas

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07-13-2009, 03:17 PM

slick red z

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check the vac line behind the intake that goes hooked up to the map sensor,just fixed mine 10 min ago

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07-14-2009, 05:35 PM

mobster34

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fixed it the other night and it didnt fix it

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07-14-2009, 06:59 PM

fleetmgr

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Possibly a bad vacuum motor in the dash that controls the doors inside the heater box. Could also be a bad control valve on the dash.

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07-15-2009, 04:49 PM

mobster34

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Quote:

Originally Posted by fleetmgr

Possibly a bad vacuum motor in the dash that controls the doors inside the heater box. Could also be a bad control valve on the dash.

if it was a bad vaccum motor wouldnt other stuff like breaks be messed up?

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07-15-2009, 06:24 PM

fleetmgr

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Quote:

Originally Posted by mobster34

if it was a bad vaccum motor wouldnt other stuff like breaks be messed up?

No, not enough of a vacuum leak to do that. All it takes is a pin hole in the diaphragm of the motor to make it not work right.

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