Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › QSC Coolant

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  • December 15, 2022 at 5:43 am #139896

    Dave Carlson
    Participant
    Vessel Name: Bec'n Me
    Engines: 500 QSC
    Location: Fort Myers
    Country: USA

    What is the coolant change recommendation on QSC 500’s with Fleetguard ES complete? This coolant was added 125 hours and three years ago. Owner has been told it needs to be changed because of time. 

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  • December 15, 2022 at 5:40 pm #139923

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    IMO–Don’t waste your $$ based on the age or the hours unless something stupid has happened or something seems wrong “looking at it”..

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