Ac heater control box

[Stewy]

my 1999 intrigue has a heater pproblem. The heat only comes out the passinger side. Do i need to replace the control unit?

 

[C&C]

I would check to see if you have vacuum first; check the vacuum lines under the hood and to the reservoir.

 

[wolfvan88]

Drivers side actuator. Common failing part. Controls air temp