95 mustang leaking coolant behind water pump.
Coolant Leaking Behind Waterpump 95 mustang v6 leaking coolant behind the new water pump. worse when turned on. does not appear to be the pump or any hoses. Solution: If the leak is behind the water pump , then either the new water pump gasket is leaking or the timing cover from the timing chain that the water pump bolts to is leaking and the gasket between the timing cover and the engine block. A couple of the water pump bolts are actually studs that go through the timing cover to the engine block. When the nuts are loosened, the timing cover also loosens. If the gasket for the timing cover is close to failing, it will start to leak. The reason it doesn't leak much with the engine off it because the water pump is not running and no real pressure is on the system. When the engine is running, the cooling system builds up pressure, usually 16 psi and it will push through a weak gasket. I think it is just in need of a new gasket at 151000 miles. The bolts will ...