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  1. #1

    Default Refilling coolant system

    I have a Universal M35b and I have replaced the thermostat, impeller, heat exchanger, and all of the hoses because of an overheating issue i am trying to solve.

    My question is: What is the proper way to refill the coolant system.

    Thank you for your time,


  2. #2

    Default Re: Refilling coolant system

    I open the bleed valve on top of the thermostat housing , then fill with coolant till you get fluid coming out of the bleeder. Start and run engine at high idle , shut down and refill , repeat as many times as necessary. Have you checked the gasket at the exhaust riser ?

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