1993 4 runner leaked out almost all the coolant while sitting cold had a brand new ra
05-30-2018, 04:54 PM
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1993 4 runner leaked out almost all the coolant while sitting cold had a brand new ra
1993 4 runner leaked out most of the coolant from radiator while sitting cold was dripping from the middle of motor just had a new radiator 4 months ago took it to a Toyota specialist he put it under pressure and detected no leak or pressure drop. I have drove it around town and checked under each time I stopped and its bone dry underneath. what could have caused it to just leak out all over my drive way one day ? I gotta know before I take it out very far
05-30-2018, 05:12 PM
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in the middle of the motor... what motor?
You may have a freeze plug leaking when the block cools down and the metal shrinks, not likely though I'm just spitballing. You will have to follow the trail, puddle on the ground, wet spot down the side of the block up to....
I have seen some leaks that started or stopped with temperature changes, but I don't think I ever saw one that I couldn't duplicate with a pressure test. See if your local parts store has a pressure tester you can borrow and leave it pressured up for a while and look for leaks, if you find none leave it a while more.
You may have a freeze plug leaking when the block cools down and the metal shrinks, not likely though I'm just spitballing. You will have to follow the trail, puddle on the ground, wet spot down the side of the block up to....
I have seen some leaks that started or stopped with temperature changes, but I don't think I ever saw one that I couldn't duplicate with a pressure test. See if your local parts store has a pressure tester you can borrow and leave it pressured up for a while and look for leaks, if you find none leave it a while more.
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