Quote:
Originally Posted by rektide
Can someone elaborate on the radiator hose test? Do I have to do anything the day before? What conditions is the test testing for, eg what does it indicate?
I've had new coolant put in, and it did offer significant improvement. I also do not use the AC.
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You just need to drive it and park it.
You're testing for pressure in the cooling system the next morning.
It
might indicate that further testing is necessary to determine if you've got a failed head gasket or a cracked head.