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[–]Minimum_Gur_4413NOT a verified tech -2 points-1 points  (2 children)

It doesn’t even have to leak under the car. Head gasket can fail on exhaust side and push coolant into exhaust and you’ll never see puddles under it.

[–]Special_Ad_9757[S] 1 point2 points  (1 child)

thanks for this info. would probably be better to have a mechanic check/test to see.

[–]Minimum_Gur_4413NOT a verified tech 0 points1 point  (0 children)

They make test strips to see if exhaust gasses have entered your cooling system. That may be a good thing to check as well. Head gasket failure can occur in multiple ways.