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Clicking noise behind the dash?

Tiny
JESSIE5885
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 110 MILES
I have a problem I have a clicking in the dash area.I took it to a dealership in the area he said it is okay he said just turn the radio on. I do not listen to the radio when driving (i had a towing company until a got sick in 2010 lost it. I am not working and cannot). I try to do myself if I can. Do you think it sounds like the actuator blend door? How many are there? Thank you.
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Sunday, November 16th, 2014 AT 7:04 AM

13 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
If you change the temperature settings does the noise change? Also, do you have two temperature setting for dual temp control for each side? Let me know and we can go from there. This guide will show where the blend door actuators are and how to change them:

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

Please run down this guide and report back.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
JESSIE5885
  • MEMBER
  • 7 POSTS
It was doing it just in A/C [and yes I have dual controls ]. I turn it up halfway and it will stop, but now it is doing it all the time. I thought it was the controls and I replaced it still the same.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So which temperature control were you turning up half way the drivers or passengers side and the noise would stop? If you have two temperature controls then you have two blend door actuators.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
JESSIE5885
  • MEMBER
  • 7 POSTS
I will check it and I will get back to you. I did not know that [ I was doing it at the same time both of them] I will check it and get back to you. Thanks
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Yeah it takes two one for each side to control each sides temperature. Let me know so I can get you the correct information. They are usually not too bad to replace.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
JESSIE5885
  • MEMBER
  • 7 POSTS
Okay, I will check it out. The left side is clicking, and I have five speed for fan the high [5] is not working and I will work in about eight to ten minutes it will come on. Sorry I was late getting back to you. Thanks
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
I posted a diagram of the panel you must remove and the screw locations. Also I posted the re-calibration of the new actuator. Please read before changing it. Let me know how it goes.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
JESSIE5885
  • MEMBER
  • 7 POSTS
Sorry going back to you I have been down. I disconnect the actuator at the bottom the one in the middle by the hump on the floor. It is still ticking. Is there a second one if so where is it located? I hear it. Can you help me find it? Thank you, Jim
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
SATURNTECH9
  • MECHANIC
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You said the driver's temperature control adjusting that stopped the clicking? If so what is the problem you cannot find the driver's side temperature door actuator? There is only one for each side for the temperature control.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
JESSIE5885
  • MEMBER
  • 7 POSTS
Thank you. Install actuator, and I had to install fan switch I had speed 1, 2, 3, 4
not 5 and so far no clicking. Thanks again. If I need you how do I get I touch with you?

Thank you,
Jim
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
JESSIE5885
  • MEMBER
  • 7 POSTS
All fixed thank you.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
SATURNTECH9
  • MECHANIC
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You are welcome, anytime.
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Friday, April 30th, 2021 AT 1:53 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

When you command heat and cold, can you hear the mode doors move back and forth?

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

Let us see if they are working first.

I attached the wiring diagram for the system as well.

Roy
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Friday, April 30th, 2021 AT 1:53 PM

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