Question about 1990 Toyota 4Runner
Radiator could be blocked there is a drain tap on the bottom undo and flush out when cold or another problem could be in the top of the water pump there is a thermostat which sometimes rusts closed and restricts water flow intern creates over heating and high pressure which then makes the radiator build pressure and drop the water through the over flow hose you can run the car with no thermostat but it will run cold most of the time meaning no heater or very little heat
Posted on Nov 09, 2008
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Posted on Jan 02, 2017
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