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Was running the truck today to put the engine oil additive in, and let it idle for maybe 15 mins, then shut it down, followed by an eruption of frothy coolant from the main interchiller tank. I checked the flowmeters and flowrate prior had been non registering, so passed it off as a battery pack issue, but looks like the pump has been cavitating and churning the coolant to bubbles - like why now? Anyway I tong tested the power cables and they should be pulling 25amps on the main pump, pulling 15amps so the pump isn't working. I have already ordered a new tank cap as this was leaking, however starting to thin the tank may need to come out and be reconfigured for a lower pick up point as the circulation pump shifts 15LPM guaranteed and is a beast, plus might need to add a check valve in the return line I am thinking to hold the pumped liquid aftr shutdown, instead of having it siphon h=back to the tank and lose operating capacity - never ends , but then it could also be the truck was pointing downhill - dunno, clutching at straws as its run perfectly up until now, but everything has a reason , and 'whats changed' is the chant.
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