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Bunk AC problem

Discussion in 'Peterbilt Forum' started by devildog3531, Jul 28, 2017.

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  1. Jul 28, 2017 #1
    devildog3531

    devildog3531 Light Load Member

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    Hello drivers, wanting to know if any of you experienced this problem. I have a 07 peterbilt 387. Both my front and bunk ac was working perfectly til yesterday. Now my bunk ac won't blow at all. I have to depend on the cab for air when I'm parked. Any suggestions? I would appreciate it.
     
    devildog3531, Jul 28, 2017
    devildog3531, Jul 28, 2017
    #1
    Another Canadian driver Thanks this.
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  3. Jul 28, 2017 #2
    Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    probably the switch or the vent directing the air. Or the flap
     
    Allow Me., Jul 28, 2017
    Allow Me., Jul 28, 2017
    #2
    Another Canadian driver Thanks this.
  4. Jul 28, 2017 #3
    whoopNride

    whoopNride Road Train Member

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    Check your fuses. Did it stop blowing air all together, or is it blowing air just not cooling?
     
    whoopNride, Jul 28, 2017
    whoopNride, Jul 28, 2017
    #3
    Another Canadian driver Thanks this.
  5. Jul 28, 2017 #4
    devildog3531

    devildog3531 Light Load Member

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    Just stop blowing period... nothing
     
    devildog3531, Jul 28, 2017
    devildog3531, Jul 28, 2017
    #4
  7. Jul 28, 2017 #5
    whoopNride

    whoopNride Road Train Member

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    Check your fuses, if you don't find one blown, get a test light and check to see if you have fire at the blower motor. Probably either the fuse, switch gone bad or blower motor gone bad. You can narrow it down with a cheap test light.
     
    whoopNride, Jul 28, 2017
    whoopNride, Jul 28, 2017
    #5
    Another Canadian driver Thanks this.
  8. Jul 29, 2017 #6
    Mudflaps

    Mudflaps Light Load Member

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    Oct 1, 2016
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    What about bunk ac blowing warm air, cab ac blowing cold air. Any suggestions.
     
    Mudflaps, Jul 29, 2017
    Mudflaps, Jul 29, 2017
    #6
    Another Canadian driver Thanks this.
  9. Jul 29, 2017 #7
    driverdriver

    driverdriver Road Train Member

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    Expansion valve?
     
    driverdriver, Jul 29, 2017
    driverdriver, Jul 29, 2017
    #7
    Another Canadian driver Thanks this.
  10. Jul 30, 2017 #8
    rastaman38

    rastaman38 Bobtail Member

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    Jul 19, 2017
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    The expansion valve has nothing to do with the blower assembly, it is as WhoopNride said.
     
    rastaman38, Jul 30, 2017
    rastaman38, Jul 30, 2017
    #8
    Another Canadian driver Thanks this.
  11. Jul 30, 2017 #9
    driverdriver

    driverdriver Road Train Member

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    What are you smoking?
     
    driverdriver, Jul 30, 2017
    driverdriver, Jul 30, 2017
    #9
    Another Canadian driver Thanks this.
  12. Jul 30, 2017 #10
    rollin coal

    rollin coal Road Train Member

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    Are Pete's similar to KW's? There's a resistor near the bunk blower motor, and the cab one too, that gets dusty/dirty over time and shorts out. It's really cheap and easy to replace. I forget exactly what it's called. When it goes your blower motor will quit working. Sometimes I think it will only have low speed but not high speeds. Motors get old and start dragging too.
     
    rollin coal, Jul 30, 2017
    rollin coal, Jul 30, 2017
    #10
    Another Canadian driver and whoopNride Thank this.
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