Question about 2000 Pontiac Bonneville

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My 2000 Bonneville has dual heat and air, the passenger side blows out cold air while the driver blows out warm air. How can I fix this problem myself??

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My similar situation was caused by the blend door actuator (I wouldn't think low freon would cool on one side and blow heat on the other). I removed the actuator (from behind the removed glove box), took the top off of the actuator and spun the main gear a quarter to half a turn then reset either one of the other gears a quarter turn (as I recall). Reattached the top then hooked up and tested. It worked fine for 2 and a half years with this fix (saving over $250) but now it's back to not working. Guess I have to go back and do it again.

Posted on Jul 06, 2012

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I assume that your concern is about trying to get cold air from both sides (not warm).
It could be the actuator or blending doors, but the most common answer is that your freon is low. I have a 2005 Bonneville and had the same problem. The good news is that you probably only need one can of freon and the auto parts stores have kits for the do-it-yourselfer. If you haven't done it before, I highly recommend going to someone that has done it before.
The bad news is that you have a slow leak, and it will not fix itself. You will probably have to pay a professional big bucks to eventually find and repair the leak.
I've topped my freon off a couple times, and suspect the leak is down by the compressor. I'm currently sweating it out until I can get it fixed.

Posted on Nov 16, 2010

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As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html


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http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

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http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

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No heat from vents


As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html

------------

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http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

----------

Hot air on the driver's side vents only?

http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

--------------

Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

-----------

1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

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http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html
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http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

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http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html

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http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html

----------


These will help.

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