Keeps leaking coolant. Replaced water pump and gasket. What next? on 2002 Mercury Cougar

Heater barely wtms up, coolant comes form below the block. Hoses fine, new water pump and gasket. What will this cost me at the shop?

3 answers
could be anything from head or intake gasket or a frost plug have it pressure tested to see where the leak is coming from
it is usually $90 to find the leak
have a good shop pressure test cooling system for you, most shops charge an hr labor to test but they may also only charge you a 1/2 hr if they can determine issue in that time.