water level was low but topped up problem still present
Dec 6, 2011 at 9:11 AM
JACOBANDNICKOLAS
✓Experienced Mechanic
110,248 POSTS
Wit the engine warm, running, and the heat on, feel both heater core hoses. Both should be hot. If they are, check blend air door. If only one is hot, try flushing the heater core.