Clutch has orange rusty color coating it ? 2018 Peterbilt 9 speed

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Brandon0928, Dec 12, 2022.

  1. Brandon0928

    Brandon0928 Light Load Member

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    Pulled the plate on clutch a month ago and looked good and clean with minimal “red dust” Took it in for pm and had them adjust it.
    Just pulled the cover to find the clutch to be turning orange ?
     

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  3. skallagrime

    skallagrime Road Train Member

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    Thats surface rust, its gotten water (or extremely high humidity) on it and since thats not a panted part nor a wear surface, thats there forever now.
     
  4. Brandon0928

    Brandon0928 Light Load Member

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    I do not like that LOL
    I’m hoping to get a new trans and clutch next year. And I guess it will have to be painted when I do!
     
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  5. Goodysnap

    Goodysnap Road Train Member

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    The rust on the bare cast will not hurt anything. The cast parts have a light oil coating that will burn off with time. Think of it like a cast brake rotor or drum that can rust on the unused surfaces. Paint it if you must, but it would be for appearance only and you won’t be able to even see it. I would more fear that the paint may affect the performance of the clutch if you get any on the friction surfaces.
     
  6. Rideandrepair

    Rideandrepair Road Train Member

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    Clutch jaundice?
     
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  7. Last Call

    Last Call Road Train Member

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    I personally can think 1001 other things I would worry about vs. Painting my clutch.
    Thats just me thou
     
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  8. Brandon0928

    Brandon0928 Light Load Member

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    So can I. But I enjoy painting things when they are apart lol. It’s obviously not a priority but if it’s out why not ?
     
  9. Last Call

    Last Call Road Train Member

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    My thought is If it was meant to be painted .. I would think the manufacturer would do so
     
  10. Star Rider

    Star Rider Road Train Member

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    20+ years wrenching , never ever seen a painted clutch.
     
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  11. Last Call

    Last Call Road Train Member

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    The Times are'a change'n ..lol
     
    Star Rider Thanks this.
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