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Heater actuator blend door

(2002 GMC Envoy)
in Franklin, OH on May 16, 2018
No air at the chest vents. Sounds like a humming or a grunt.
What seems to make the problem better or worse? It is worse with the heater going.
How long have you had this problem? 4 months
Tags: gmc, envoy
Displaying 1 answers & 0 comments
Popular Answer
on May 16, 2018
Could be the actuator but a hands-on inspection is needed to be sure.If you don't work on your own car then use this link to find a good shop near you.
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