air conditioning blows hot on passenger constantly. on 2004 Hummer H2

while running ac at any position (head vent, defrost,floor vent) the passenger side blows extremely hot constantly.

by in Pasadena, TX on March 28, 2011
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1 answer
ANSWER by , April 05, 2011
On certain vehicles, there are seperate control units for each side of the car which can contribute to the blend doors not opening or closing. If you need this diagnosed properly you can call one of our four stores @ 1) Willowbrook (281) 890-9400 3) The Woodlands (281) 465-9410 2) Champions (281) 370-7900 4) Cypress (281) 304-7833