Pontiac aztec 3400 leaks coolant when the motor is warm back behind the back head up by the valve cover behind the alternator there is no coolant in the oil but dont leak when the car is cold and haven t been running cant find or see what would be. The general motors 60 v6 engine family was a series of 60 v6 engines which were produced for both longitudinal and transverse applications. Fuel pressure regulator 2.