Did you check the strength of your antifreeze. Your heater core may be plugged. How's your airflow? is it strong. Otherwise, head gasket. Are you loosing antifreeze? Does your oil have water spots on the dipstick when you check it? A cooland system pressure test is the best way to find out.
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Did you check the strength of your antifreeze. Your heater core may be plugged. How's your airflow? is it strong. Otherwise, head gasket. Are you loosing antifreeze? Does your oil have water spots on the dipstick when you check it? A cooland system pressure test is the best way to find out.