Thermo king SB210

Discussion in 'Refrigerated Trucking Forum' started by bluerhino, Jun 23, 2020.

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  1. Jun 23, 2020 #1
    bluerhino

    bluerhino Light Load Member

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    Good day all i have 2005 thermo king i have noticed the last days when i turn the reefer on and just as it cranks there is noise that follows it but disappears immediately need your expertise thanks all
     
    bluerhino, Jun 23, 2020
    bluerhino, Jun 23, 2020
    #1
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  3. Jun 23, 2020 #2
    reeferwrencher

    reeferwrencher Medium Load Member

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    .Maybe the teeth on the ring gear or or starter are worn.Pull the starter out and check them over.Rotate the engine by hand when you check the ring gear to make sure you see all the teeth on it
     
    reeferwrencher, Jun 23, 2020
    reeferwrencher, Jun 23, 2020
    #2
    Snailexpress Thanks this.
  4. Jun 28, 2020 #3
    bluerhino

    bluerhino Light Load Member

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    Good day reeferwrencher hope you are fine slctrucker suggested that it may be the shut off solenoid located close to the belts attached to freon line thanks
     
    bluerhino, Jun 28, 2020
    bluerhino, Jun 28, 2020
    #3
  5. Jun 28, 2020 #4
    reeferwrencher

    reeferwrencher Medium Load Member

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    Does the engine start? Does the sound disappear after the starter de-energizes. If so I would check the starter and ring gear as i suggested earlier.The fuel solenoid makes a click as it pulls in just before the engine cranks,thats normal.I would assume that isn't the noise you're referring to as you said this noise just started happening recently. Is that correct?
     
    reeferwrencher, Jun 28, 2020
    reeferwrencher, Jun 28, 2020
    #4
  7. Jun 28, 2020 #5
    bluerhino

    bluerhino Light Load Member

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    It started recently the noise like air pressure/freon comes from the right side when facing the motor between the long belt and eye glass there is 12 v solenoid that goes thru freon line just my suggestion
     
    bluerhino, Jun 28, 2020
    bluerhino, Jun 28, 2020
    #5
  8. Jun 28, 2020 #6
    reeferwrencher

    reeferwrencher Medium Load Member

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    That's the pilot solenoid that controls the three way valve. Put the unit on an automated pre trip if it passes then dont worry about it
     
    reeferwrencher, Jun 28, 2020
    reeferwrencher, Jun 28, 2020
    #6
  9. Jun 28, 2020 #7
    bluerhino

    bluerhino Light Load Member

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    Mar 10, 2013
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    Thanks reeferwrencher it passes everytime i do Pre-Trip. My issue is when I turn reefer on just before cranking there is a pop up noise and it immediately crank
     

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    bluerhino, Jun 28, 2020
    bluerhino, Jun 28, 2020
    #7
  10. Jun 28, 2020 #8
    reeferwrencher

    reeferwrencher Medium Load Member

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    Might be 3 way valve shifting maybe make a video with sound and post it up here if possible but I dont think it's anything to worry about
     
    reeferwrencher, Jun 28, 2020
    reeferwrencher, Jun 28, 2020
    #8
    bluerhino Thanks this.
  11. Jun 28, 2020 #9
    bluerhino

    bluerhino Light Load Member

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    Mar 10, 2013
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    Reeferwrencher i noticed the ball is floating at the button i did fix the seal by the compressor assuming no more leak need your input thanks
     
    bluerhino, Jun 28, 2020
    bluerhino, Jun 28, 2020
    #9
  12. Jun 28, 2020 #10
    reeferwrencher

    reeferwrencher Medium Load Member

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    Aug 4, 2018
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    If the ball is floating in the receiver tank sightglass then your freon level is fine.If you're worried about it then set it for -10 f while empty and let it run overnight on a test run.
     
    reeferwrencher, Jun 28, 2020
    reeferwrencher, Jun 28, 2020
    #10
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