i need some help.
i have a 2.0l zetec engine in my mk2 escort that after letting it run for 5-10mins to wam up, the water temperature reaches 100 deg c and is still climbing.i have taken the thermostat out and manually switched on the fan but the same thing happens.i then took the radiator cap off and started the engine,it looks like the pump is working as water is moving in the radiator.the same thing happens.the engine is running fine and theres no gunk in the oil cap or i'm loosing water.
would a different rotational pump be the problem i.e one off an escort zetec not the standard mondeo item. OR IS IT HEAD GASKET FAILURE!
if it is head gasket failure how difficult is is to change?