Why is radiator water gushing back into my holding water tank? On my 91 Toyota 4runner


Asked by Oct 16, 2016 at 11:04 PM about the 1991 Toyota 4Runner 4 Dr SR5 V6 4WD SUV

Question type: Maintenance & Repair

I have 1991 Toyota 4runer v6 ,my
radiator water is flowing back into
my reserve water tank while running
/also overheating why is this

2 Answers


Answer to what


Means water pump is pushing coolant into radiator, but coolant can't flow back into engine, so it goes the only other place it can, the overflow bottle. Check the radiator for proper flow.

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