2000 379 peterbilt mode actuator location

Discussion in 'Peterbilt Forum' started by fatal, Sep 16, 2021.

  1. fatal

    fatal Bobtail Member

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    Sep 16, 2021
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    I pulled off the glove compartment but don't see it. which is where the Pete dealer told me it was.
     
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  3. bad-luck

    bad-luck Road Train Member

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    When you say mode actuator what exactly do you mean? What is the problem with your truck?
     
  4. fatal

    fatal Bobtail Member

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    Sep 16, 2021
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    yeah, the fan switch won't switch to floor, floor/vent, or vent. it will only do defrost and defrost/floor.
     
  5. lester

    lester Road Train Member

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    It should be there. Some where on top of the duct work past the fan. Little odd shaped flat on top thing, has a circle on top about the size of a pencil eraser I think. That is the part that turns to move the door to switch from floor, vent etc... that's all if memory serves me.
     
  6. fatal

    fatal Bobtail Member

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    Sep 16, 2021
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    okay, it's on the other side of the fan, closer to the engine. I'll check that out.
     
  7. bad-luck

    bad-luck Road Train Member

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    Ok, that is what I thought but wasn't sure. You need to remove the plastic cover that is underneath the glove box. It is where the small cover that you take off to replace the cabin air filter
     
  8. fatal

    fatal Bobtail Member

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    Sep 16, 2021
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    those two are for the temperature and something else I can't think of right now. not the blower location.
     
  9. Don379

    Don379 Medium Load Member

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    yes, that is the blend door actuator for temperature and the other actuator is the fresh air and recycled air door
     
  10. bad-luck

    bad-luck Road Train Member

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    Ok, I have replaced the blend door actuator several times on my 2000 379 but never the temp actuator. You have to remove the glovebox to access the blower motor.
     
  11. fatal

    fatal Bobtail Member

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    Sep 16, 2021
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    yeah, I did, I just don't see it. I did see a metal plate but I had to get rolling. I'm going to check that when I'm done tonight.
     
    bad-luck Thanks this.
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