Rust around engine for new ISUZU truck

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Kevin_kevin, Mar 8, 2025.

  1. Kevin_kevin

    Kevin_kevin Bobtail Member

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    Mar 8, 2025
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    Hello,


    We purchased a 2022 ISUZU NPR HD in 2022, and although it’s quite new, I’ve noticed considerable rust around the engine area. I’m wondering if this is normal or if it could indicate a potential issue.



    The truck is still under warranty, but the warranty period ends in 10 days. A few weeks ago, I mentioned this to the ISUZU sales representative, who advised me to bring the truck in for inspection.

    Could you please provide your opinion on this matter?



    Thank you.
     

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  3. Powder Joints

    Powder Joints Subjective Prognosticator

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    Just indicates the parts or truch was stored in a area subject to salt air, say, like Korea or perhaps on board the ship brining it here. The picture shows external rust that could be easily cleaned off and area painted, don't think its a manufacturing issue, maintenace falls on the owners. The engines in my vechicle do not have any rust showing I would have taken care of it along time ago. Good Luck, but dont expect the dealer to do to much.
    Just looks like bare steel. would have beeen nice if they used a bolt with a cad coating, or painted the engine parts
     
    Last edited: Mar 8, 2025
    broke down plumber Thanks this.
  4. bad-luck

    bad-luck Road Train Member

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    The rust is normal. Metal rusts, especially the exhaust manifold
     
    broke down plumber and IH9300SBA Thank this.
  5. AModelCat

    AModelCat Road Train Member

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    What rust? I was expecting to see an ugly rusted hunk of metal. That looks dang near brand new for a 3 year old truck.
     
  6. SmallPackage

    SmallPackage Road Train Member

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    Seems Nobody paints the bare steel parts on most engine blocks anymore. Start go worry about it when those areas are covered with oil leaks.
     
    broke down plumber Thanks this.
  7. El Hueso

    El Hueso Medium Load Member

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    When there are hot and cold cycles, the paint is gone fairly quickly. Normal use. This isn't even rust. You only see actual paint before it goes into normal use. This is normal.
     
    broke down plumber Thanks this.
  8. broke down plumber

    broke down plumber Road Train Member

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    Wire brush hit it with a rattle can of header paint
     
  9. Kevin_kevin

    Kevin_kevin Bobtail Member

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    Thank you very much for all the replies! So, is it okay to do nothing and drive for another 5 to 10 years?
     
  10. Powder Joints

    Powder Joints Subjective Prognosticator

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    Yup, Buy some silver engine paint at O'Riellys
     
  11. AModelCat

    AModelCat Road Train Member

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    That engine block will probably still exist 30 years from now.
     
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