Quote:
Originally Posted by Questofthetune
Driving home got a low coolant warning.
Checked temps and all was good (torque app).
Popped the hood and coolant explosion. I mean coolant everywhere. And does not hold any more I add.
What the hell is going on???
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First off NEVER open the coolant overflow or any other part of the coolant system till the engine has cooled down, you could have burned yourself pretty badly.
Remember that when coolant is under pressure, the boiling point increases well past 100C, you open the lid when under pressure and all of a sudden you have pressurised coolant at 120C spraying everywhere.
Second it would probably be worth pressure testing the system when cold to see if you can identify the source of the leak.
If no leak is evident then carry out a sniff test on the coolant reservoir, this tests for combustion gases in the coolant, i.e. headgasket failed between coolant channels and combustion chambers.
Sniff test demo
It would also be worth checking the oil for any mayonnaise, i.e. headgasket failure between oil and coolant channels in the head.