my heater dosent work on my 1998 lincoln navigator, why?

Rodrigo E

New member
So I changed the thermostat and nothing, but this is the thing when I changed thermostat regular color antifreeze (clean) came out but in the radiator it has dirty antifreeze. And as well at time I hear like little bubbles in side the heater core. Can some one help me ?????
 
Back
Top