My water pump was replaced, the mechanic said I could drive it but it soon went from blue to red and it started overheating again I had to park it and overheatedandlostwater
What is your question?
I believe the thermostat should have been changed with the new water pump. Then it would not have caused , heads damage , due to overheating. And should you ever use a commercial liquid sealer for engine head,.
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Hello, maybe so, but it's hard to say. You could also have introduced an air pocket in the cooling system that was never purged.
AND YES, NEVER use a "sealer"!!!