Question about 2004 Buick LeSabre

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Passenger climate control vents working properly but driver side blows hot air and cant control driver side with control

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You have 1 of 2 problems. Either your freon charge is running low or the damper control valve is faulty. The second issue is more likely than the first.

Try this, Go to the battery and disconnect the positive terminal for about 20 seconds, then connect it again and turn the key to the on position. If this seems to fix the problem your damper valve is about to break. This valve is made out of cheap plastic and as it wears it tends to stick; the disconnection of the battery forces it to correct its alignment.

If the above procedure doesn't work then it may be your freon charge running low. For some reason, when the freon is low it saves all the cold air for the passenger and all you get as the driver is hot air.

Posted on Mar 26, 2011

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