Hi, my name is impala dave. I have a 2006 Impala 3.8 LT. My heater does not work. When I rotate the heater control knob, the mixing valve or something like that chatters underneath the glove compartment. Any thoughts on the cause.?
You don't have a 3.8, more likely a 3.9, unless you had the year wrong instead. Luckily that doesn't matter for this problem. The issue is a bad blend door actuator, do a quick search and you will find loads of info here about the problem, and how to fix it. Welcome to the forum!
Welcome, ImpalaDave! As a Customer Service representative, I'm not able to provide much in the way of do-it-yourself information. However, I hope that you get some great feedback from the forum! If you have any questions about recalls or warranty information, or wanted assistance in locating and working with a dealership, please let me know. I'm available via private message on this forum!