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Man CR900's Intercoolers

Discussion in 'Engines' started by CSkipR, Jul 28, 2019.

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  1. CSkipR, Jul 28, 2019
    #1
    CSkipR

    CSkipR Member

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    New Smyrna Beach, Fl
    Just had the heat exchangers and the intercoolers removed to be cleaned. Heat exchangers cleaned up well and pressure tested good. Both intercoolers pressure tested good although one had some corrosion and rust on it. Any ideas as to where this would come from if no leaks during pressure checks.
  2. Capt J, Jul 29, 2019
    #2
    Capt J

    Capt J Senior Member

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    Age. The way water sits in it when the engine is not running, some air sitting in there instead. IDK.
  3. Capt Ralph, Jul 29, 2019
    #3
    Capt Ralph

    Capt Ralph Senior Member

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    Sep 8, 2004
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    Location:
    Satsuma, FL
    Corrosion in the air side could be from condensation.
    Same for on its exterior.