Hot engine wash

Discussion in 'Trucks [ Eighteen Wheelers ]' started by tanveer702, Jun 13, 2019.

  1. tanveer702

    tanveer702 Bobtail Member

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    Dec 22, 2018
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    is it safe to wash engine bay while it is hot?
     
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  3. Tombstone69

    Tombstone69 Road Train Member

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    Cold water on hot metal can cause cracks, especially exhaust manifolds, best to let cool.
     
    stillwurkin Thanks this.
  4. tanveer702

    tanveer702 Bobtail Member

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    Dec 22, 2018
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    That’s what I thought, thanks
     
  5. starmac

    starmac Road Train Member

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    When I run the lower 48 and used truck washes, I had the engine washed pretty frequently,it was at the very least warm. I never worried about it, but asked them to not hose down the turbo.
    I did have a driver have the ecm fail just a few miles after getting the engine washed, then wrecker driver I sent told me he frequently pulled them right out of the bay at that particular truck wash, true or not, coincedence or not, I do't know, but I never used that place again either. lol
     
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