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Defrost not working everything seems to be working

Tiny
SHAGGY_CAR
  • MEMBER
  • 2004 DODGE RAM
  • 5.7L
  • 6 CYL
  • TURBO
  • 4WD
  • MANUAL
  • 268,000 MILES
I replaced the blend doors all of them. Tested all four actuators all worked out of the vehicle now installed everything seems to be working fine except for the defrost.
Saturday, August 24th, 2019 AT 3:22 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Can you remove the defrost actuator and turn the system on then work the door pivot by had to see if the air door inside the plenum is working please? This guide will show what I am talking about. Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/replace-blend-door-motor

Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
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Monday, August 26th, 2019 AT 3:02 PM

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