so i was replacing my thermostat on my 92 camaro, and when i started pulling out the two bolts it started leaking hardcore!! so i squeezed the hose tight and swapped the thermos. i then drove it around the block and came back with half of my antifreeze left!! i squeez the hose and it is leaking on the block, like its not creating a seal! then i put the origonal thermo on and it still leaks like its not making a seal on the block! what should i do???