- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
sound like maybe the blend door actuator is malfunctioning and needs to be replaced they are all computerized so if the actuator is not working properly it will store a code and not allow to set climat
If you have automatic climate controls, replace the blower control module mounted on the blower itself under the glovebox.
If you have manual climate controls, replace the blower motor resistor assembly, same location.
Remove the plastic skid guard under the glovebox to access the bottom of the blower motor. Remove the 2 tiny screws that attach the part. Then open and empty your glove box. Stick your finger in the access hole on the left side of the door, press the spring and the door will flip upside down. There you will have access to the wiring connectors for either part. Remove this, and the part should drop down. Very easy procedure.
Your blower controller has failed, It is located in the heater duct, above and to the passanger side away from the blower motor. There are two connectors that plug into it and two screws hold it in place. Other GM cars of the same vintage will use the same controller IF they have automatic air system.