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  1. M

    PLUG ON TOP OF WATER PUMP USE??

    I ask because I tried the radiator fill but it only took 3 gallons and after 45 (I know...probably way too long...) minutes the thermostat never opened and I caught my temp gauge spike wat overboard...turned off the truck immediately. Hoping I haven’t done irreversible damage already that’s why...
  2. M

    PLUG ON TOP OF WATER PUMP USE??

    I ask because I tried the radiator fill but it only took 3 gallons and after 45 (I know...probably way too long...) minutes the thermostat never opened and I caught my temp gauge spike wat overboard...turned off the truck immediately. Hoping I haven’t done irreversible damage already that’s why...
  3. M

    PLUG ON TOP OF WATER PUMP USE??

    And because it’s an option for a different hose set up...does that mean I CAN fill coolant through this hole to get the block full?
  4. M

    PLUG ON TOP OF WATER PUMP USE??

    If I just pour into radiator, won’t the engine burn up because there’s no fluid inside to pressurize the thermostat to open and allow more to flow in?
  5. M

    PLUG ON TOP OF WATER PUMP USE??

    Hey all, I have a 1990 7.3 IDI F-250 and I’m doing a coolant flush for the first time. I drained the engine block without considering how to refill it (without removal of thermostat), and I noticed a plug (see pic below) on top of my water pump...does anyone know what this is for? And what I’m...

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