Chrysler 3.3 Engine

Water Pump Leaking??

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Not likely on the valve cover, though the water pump on those does tend to seep a few drops of coolant. I have seen new ones do this; and also old ones that kept doing it, never getting any worse.

On yours, look for a bad thermostat gasket, or seepage from the air bleed screw that is threaded into the thermostat housing. Or a pinhole leak in the upper radiator hose. I once had such a leak on a Ford Taurus; under pressure it put out a barely visible spray of coolant.

As for other problems, the known weak rocker arm tower must be mentioned. As mentioned at Allpar.com, it can be fixed without replacing the cylinder head, if it happens.