pete 386

Discussion in 'Peterbilt Forum' started by damutt, Oct 29, 2014.

  1. damutt

    damutt Road Train Member

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    hey guys need some help. have a new to me 2014 pete 386. cant figure out why the APU wont kick out heat. got any ideas?
    oh i should add it has a TK APU on it, does have bunk heater of somesort,
     
    Last edited: Oct 29, 2014
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  3. 315wheelbase

    315wheelbase Heavy Load Member

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    could be the heat element is burned out,, should be under warranty,
     
  4. damutt

    damutt Road Train Member

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    315 thanks, sorry just noticd the reply. will have it checked out. and it is a 2013 not a 14. fat fingerd it on mobile
     
  5. Viper09

    Viper09 Light Load Member

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    If it's a TK unit like you say it probably has an Espar (? Spelling) bunk heater in it. Those things put out great heat but are a bit maintenance intensive. Probably just needs the heater rebuilt. That's about $300 dollar's at TK. If you do get it rebuilt and it smokes like crazy when you fire it up THEY DIDN'T REBUILD IT RIGHT! I just had mine done and made the local TK shop redo it cause of that. Good luck!
     
  6. damutt

    damutt Road Train Member

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    ah cool diidnt know that. once i have them redo it, is there anyway i can do any of the maint on it? First tiem driving a Pete esp with an APU
     
  7. Viper09

    Viper09 Light Load Member

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    I've never tried to rebuild the heater, but I've seen the rebuild kit ans it looks pretty straight forward. A little glow plug looking thing, a mesh screen and a few other doo dads. I wouldn't know why not. You should only have to rebuild it once every couple years. When you get it working be sure at least once a month, every month (summer included) you turn the heater on and run it as hot as you can for 15-20 minutes. Mine has a digital thermostat so I run it up to 90. That will clean the screen and glow plug out and keep it working a bit longer, or so goes the theory
     
  8. damutt

    damutt Road Train Member

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    ah ok i will do that, mine has the digitl display and it goes to 90 as well,
    i will have that done, thanks for the heads up
     
  9. Viper09

    Viper09 Light Load Member

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    As far as the maintenance on the APU itself, you should be able too. Oil filter, air filter, spin on fuel filter and, depending on the year model of Tri-Pak, either an inline fuel filter or a trap style fuel filter. Take the bottom of the case off and go to town. TK recommends servicing the APU every 1000 hours.
     
  10. damutt

    damutt Road Train Member

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    awsome great to know. thanks for hte heads up guys. really appreciate it
     
  11. Viper09

    Viper09 Light Load Member

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    Sep 8, 2014
    Council Bluffs, IA
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