2005 Buick Terraza Q&A

2005 Buick Terraza Question: have dual heat control. only cold air comes out passenger vents.how can i repair

do i need to remove the dash? is the control computer board controlled? what is cost estimate? -
Answer 1
remove dash and replace actuator and/or door...about $900 -
Answer 2
approx 800.00 but seek diag and est from your mech -