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3406E plugging breather on side of the block. Anyone done it ??

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Slow302, Oct 28, 2021.

Page 2 of 2
  1. Nov 3, 2021 #11
    lester

    lester Midwest's #1 Feed Hauler

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    Atmospheric or barometric pressure sensor. Think it has to do with altitude and how much fuel it feeds the engine
     
    lester, Nov 3, 2021
    lester, Nov 3, 2021
    #11
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  3. Nov 3, 2021 #12
    Slow302

    Slow302 Medium Load Member

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    Will it screw up reading if i plug breather right after sensor ?
    I just dont want to blew up this motor since justi put big $$$ in overhaul
     
    Slow302, Nov 3, 2021
    Slow302, Nov 3, 2021
    #12
  4. Nov 3, 2021 #13
    MM71

    MM71 Heavy Load Member

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    No

    I have a 2ws. Put on breather valve covers. Put a plug in the side breather. No problems.
     
    MM71, Nov 3, 2021
    MM71, Nov 3, 2021
    #13
  5. Nov 3, 2021 #14
    Slow302

    Slow302 Medium Load Member

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    On your 2WS do you have sensor on breather box, right before breather tube ??
     
    Slow302, Nov 3, 2021
    Slow302, Nov 3, 2021
    #14
  7. Nov 3, 2021 #15
    MM71

    MM71 Heavy Load Member

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    Yes
     
    MM71, Nov 3, 2021
    MM71, Nov 3, 2021
    #15
  8. Nov 8, 2021 #16
    Slow302

    Slow302 Medium Load Member

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    Well i found out ID of breather box tube, its 1.2" and ID of hose is 1.375"
    Also found out pressure sensor 161-9925 was updated to 194-6722
     
    Slow302, Nov 8, 2021
    Slow302, Nov 8, 2021
    #16
  9. Nov 12, 2021 #17
    Slow302

    Slow302 Medium Load Member

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    Got good deal on new pressure sensor and while i was there plugged side breather. Also found out old pressure sensor was hand tight. Took truck for drive rotation. Senor was reading 14.6 whole time, no CEL, so its good to go, i hope
     
    Slow302, Nov 12, 2021
    Slow302, Nov 12, 2021
    #17
    Oxbow Thanks this.
  10. Nov 23, 2022 #18
    QuickHaulers

    QuickHaulers Bobtail Member

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    did plugging your side breather and adding the new one on the valve cover solve your problem of oil coming out of the blow by tube? I’m having the same issue with my 1LW
     
    QuickHaulers, Nov 23, 2022
    QuickHaulers, Nov 23, 2022
    #18
  11. Nov 24, 2022 #19
    Slow302

    Slow302 Medium Load Member

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    I end up using original but new side block breather and also new C15 valve cover breather. Much less blow by. I know i have two pipes going down lol
     
    Slow302, Nov 24, 2022
    Slow302, Nov 24, 2022
    #19
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