1999 Grand Prix 3.8 engine non super charged and there is anitfreeze leaking out of the car on the passenger side The water pump has been changed what might it be?
could be a number of things if the leak is inside of the car it is your heater core. if it is outsidt the car under the hood it could be one of your hoses the water pump a freeze plug could be a head gasket or maybe even an intake gasket hard to say without actually seeing the car i wold pressure test the cooling system and see if you can find the leak that way
You have antifreeze leaking only when car is running It is dripping down underneath the passenger side next to trasmission It is pure coolant You changed thermostat?
When anitfreeze level drops and there is none leaking on the ground it could be a blown head gasket and is leaking into the combustion chamber and burning up causing white smoke out the exhaust. It is a major expense to repair, do not bother with additives said to correct leaks as it may cause other problems and will not correct a leaking head gasket. The other place is a leaking heater core which will…