Radiator stop leak

Stephanie Gilbert

Asked by May 05, 2016 at 10:16 AM about the 1996 Ford Explorer 4 Dr XLT AWD SUV

Question type: Maintenance & Repair

I just.had pinhole in radiator. Put stop leak
in made my temp gauge go.crazy. yesterday
it over heated. How do I correct this

3 Answers


Power flush the cooling system, replace the thermostat, replace the leaking radiator, you may have to replace some of the cooling system sensors and senders, but you won't know that until you get all cleaned out and running.

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Best Answer
Bob Beaman

Radiator "stop-leak" is almost never a good idea.

1 out of 1 people think this is helpful.

When your radiator leaks, replace it or bring it to a shop to be rebuilt, they are easy enough to pull out and reinstall. Now you will have to flush the entire system several times to get everything out. Also, remove the heater hoses and thoroughly flush clean water through the heater core. I'd flush the engine also for several minutes. As someone suggested, change the thermostat and sensors. And do not use plain water in the new radiator, use a 50/50 mixture - or you will overheat again.

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