THESE ENGS ARE KNOWN FOR LEAKING HEAD GSKTS,, THE MOST COMMON PLACE IS THE THERMOSTAT HOUSING WHERE IT BOLTS TO THE HEAD OR THE SMALL BYPASS HOSE ON THAT HOUSING TO THE WATER PUMP, IF IT LEAKS HERE IT WILL RUN ALONG THE DGE OF THE HEAD TO BLOCK SURFACE AND MAY LEAK AT THE BACK OF THE ENG , OR IT COULD BE ONE OF ABOUT 6 HTR TYPE HOSES ON THE ENG JERRY