how do you check blend door for drivers side with dual climate control on 2003 Buick LeSabre

air conditioner works fine but drivers side blows warmer air than passenger side. I suspect the blend door.How do I get to it to check out.

by in Wheeling, WV on August 06, 2012
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2 answers 1 comment
ANSWER by , August 07, 2012
any good mech with a scanner can read codes and test blend doors to determine bad motor
ANSWER by , August 07, 2012
The lesabres are famous for this when the freon gets low. Have the a/c system checked.
COMMENT by , August 09, 2012
Thanks so much, had system checked and sur enough - was a tad low- blowing cold now. Again thanks , EM