New trucker, new truck..big oil leak

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Gix1k, Dec 11, 2019.

  1. AModelCat

    AModelCat Road Train Member

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    What any mechanic is going to do is wash it off and start it up. With that much oil, it ain't gonna be hard to find that leak. Usually the highest point you see oil will be nearest to the source.
     
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  3. TRS Group

    TRS Group Light Load Member

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    It's going to be your turbo oil supply line. It needs to be torqued to a certain amount of pressure lbs ...or what ever it's called. I had that happen on my Mack CHN when the turbo was replaced. If it's not at the correct lbs per pressure the oil will find a way out. Start with the oil supply line. You might just need to tighten the bolts
     
    stayinback Thanks this.
  4. TRS Group

    TRS Group Light Load Member

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    It kinda looks like this on the Cat engines
    SmartSelect_20191212-171700_eBay.jpg
     
  5. lwlevens

    lwlevens Medium Load Member

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    Hopefully it's something simple like a loose hose. Like Robert 450 said if it's the blowby tube you got a serious problem, I'd be giving that dealership a call.
     
  6. Shawn2130

    Shawn2130 Heavy Load Member

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    Unless I missed it somewhere, what Cat model is this?
     
  7. swaan

    swaan Road Train Member

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    At this point It could be anything. To say it's the oil line to turbo is a wild stab in the dark

    Like others have said already
    Just start it up on high idle and look for the dripping. Follow it up to the source . That's one heck of a leak, shouldn't be hard to find
     
    Wheeljack, starmac and Roberts450 Thank this.
  8. Gix1k

    Gix1k Medium Load Member

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  9. Gix1k

    Gix1k Medium Load Member

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    The oil is over there because the funnel fell out while I was pouring it in. Wasn't before that.
     
  10. Gix1k

    Gix1k Medium Load Member

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    3406e c15
     
  11. baha

    baha Road Train Member

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    Look on the top of valve cover and be sure the oil filler cap is in the big hole it goes in??
     
    Roberts450 Thanks this.
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