A/C and heater both only blow out bottom vents

Tiny
ALEXCRAFT24
  • MEMBER
  • 2008 FORD F-350
  • 6.4L
  • V8
  • TURBO
  • 4WD
  • AUTOMATIC
  • 172,000 MILES
When I turn on my A/C the switch to move it from feet to front to defrost doesn't work it will only come out the bottom vents of the vehicle.
Wednesday, June 16th, 2021 AT 11:03 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This is almost always the mode door actuator. Basically this is just the actuator that changes the position that the air is coming out.

Here is a guide on this that will help with step by step instructions:

https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position

Below is the info from the manual that will give the additional detail to change this out.

Please let us know how you make out. Thanks
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Thursday, June 17th, 2021 AT 5:34 PM

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