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Heater core replacement thickness and mode door questions.

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  #11  
Old 10-01-2018, 09:09 PM
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Default Actuator

That one looks different. The one in the pic has a bolt through it to hold it . Or am I looking at it wrong?
 
  #12  
Old 10-01-2018, 11:18 PM
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You are correct I found a better Pic of my actuator.

I may have one of these I need to look in my spare parts box's





A better pic of the other one



 

Last edited by 98DAKAZ; 10-01-2018 at 11:35 PM.
  #13  
Old 10-01-2018, 11:36 PM
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Why are you in need of these??

The silver one is the lower or foot vent you could just do without it an get no air to the feet and plug up the hoses.
 

Last edited by 98DAKAZ; 10-01-2018 at 11:40 PM.
  #14  
Old 10-02-2018, 09:27 AM
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Default Actuators

Didnt know what one did what thanks for clearing that up. The black one is the one that moves it from defrost to vents? And can that be replaced with the dash in ?
 
  #15  
Old 10-02-2018, 02:26 PM
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That answer is weird are your current actuators bad or missing you don't need to replace them unless they are bad.
 
  #16  
Old 10-02-2018, 03:01 PM
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Default I think the actuator is bad.

The ac blows out the defrost when the selector is on vent. If I turn it off and let the truck idle and turn the blower off then turn the selector back to vent it works sometimes. Not all the time. Someone is replacing my heatercore today I wanted to get it fixed while they was in there but its not going to happen .
 
  #17  
Old 10-02-2018, 03:03 PM
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I checked the vacuum line in the engine bay had no leaks and tested the vacuum bottle and it held vac also .
 
  #18  
Old 10-02-2018, 06:11 PM
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So your not sure if any of your actuators are bad your just guessing??

Yikes wasting my time I HATE THAT.
 
  #19  
Old 10-02-2018, 08:11 PM
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The vacuum system seems to be working so what else could it be. Someone is working on my truck as I have no time to. I wanted him to have everything he needed to fix it while he was in there. I need the truck I cant have it down for days wating on parts. If its wasting your time dont answer.
 

Last edited by bigdog0u81; 10-02-2018 at 08:14 PM.
  #20  
Old 10-03-2018, 07:02 AM
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I don't think I have ever seen a vacuum actuator fail...... Vacuum lines, on the other hand, yeah, all the time. Possibly vacuum leak at control head as well.
 


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