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Man CR900's Intercoolers

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

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  1. CSkipR

    CSkipR Member

    Joined:
    Aug 16, 2008
    Messages:
    965
    Location:
    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

    Capt J Senior Member

    Joined:
    Jul 11, 2005
    Messages:
    14,434
    Location:
    Fort Lauderdale
    Age. The way water sits in it when the engine is not running, some air sitting in there instead. IDK.
  3. Capt Ralph

    Capt Ralph Senior Member

    Joined:
    Sep 8, 2004
    Messages:
    12,727
    Location:
    Satsuma, FL
    Corrosion in the air side could be from condensation.
    Same for on its exterior.