NOT TRUE. I had the same problem and was able to get a blend door replacement kit from Heatertreater and was also able to get a local garage to install it for me. It's an alternative method to replacing the blend door that does not require dash removal. After I got mine in the mail the garage...
In addition to faulty actuator motors, the blend door itself can also be broken. This happened on my Tahoe. Typically it is a very labor intensive and costly fix to replace a broken blend door, as the dash must be removed and the plenum assembly replaced. There is a DIY kit from...
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