why dont i have heat? on 1997 Chevrolet Venture

there is no heat comming from the front vents when heater is on. could this be the accuater control unit?

by in Philadelphia, PA on January 11, 2011
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
ANSWER by , January 16, 2011
It could be your temperature blend door is not opening. Also could be a plugged heater core. Did you have any work done on the car recently??