Cause of radiator blow by when thermostat has been changed three times?

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Vehicle had water pump replaced at 97,000. Head gaskets at 117,000 and now at 171,000 we have had three thermostats replaced. Good coolant flow with thermostat removed, pump has been checked, radiator has been flushed and checked with pyrometer?

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in Satellite Beach FL

Mar 18, 2017

1 Reply

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