1997 Chevy Venture ac only blows cold out passenger side

1997 CHEVROLET VENTURE
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QUICKDRAW2148
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Air Conditioning problem
1997 Chevy Venture 6 cyl Two Wheel Drive Automatic 140xxx miles

my '97 venture vans a/c blows cold out the passenger side and hot out the drivers side. i have no idea why this is happening. what could cause this? i had a new compressor put on it last year. any ideas. this just started about a week ago.
Aug 13, 2010 at 4:03 PM
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FREEMBA
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seems to be a bad blend door actuator or a rpoblems where the door connects to the rod which the actuator operates.
Get a diagram of the system from the GM dealer, make sure it show the actuators (at least 2) on the a/c system. The one which moves when the temp is moved from cold to hot or vice versa is where you want to focus.
Aug 21, 2010 at 2:43 PM