Radiator coolant loss

Asked by Guru9ZDX8D Mar 03, 2021 at 09:12 PM

Question type: Maintenance & Repair

00ford ranger 3.0v6 changed radiator themostat hoses and water
pump.  After short drive coolant makes bubbling noise in overflow
tank. Radiator low in coolant after long drive but tank has coolant.  
Not running hot at least by the instrument cluster.

1 Answer
27,590

oilyspill answered 3 years ago

Maybe you got air in the cooling system? when the cooling system starts cooling down, it creates a vacuum in the radiator, that vacuum is what pulls coolant from the reservoir, as long as everything is sealed. if no vacuum, it won't pull coolant from reservoir. Just my opinion. You need to check with engine cool.

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