With the engine at full operating temp, locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. If they are both hot, the heat in that vehicle is controlled by a blend door that regulates heated air flow. it is operated by an electric motor/actuator. The problem can be that the actuator is stripped or inoperative or the door itself could be damaged. This is what needs to be determined by examining the actuator and see if it is responding to heat change commands or not.

Answered by Wrenchtech (expert)
14,825 answers provided

Do the heater hoses get hot? Does the engine reach normal operating temp? Also, temp door under dash may have issues?

Answered by JDL (expert)
14,457 answers provided

Hey wrench, have a good holiday, i didn't see you.

Answered by JDL (expert)
14,457 answers provided

No problem. Happy Holidays to you too.

Answered by Wrenchtech (expert)
14,825 answers provided