heater blowing cold air

1997 MERCURY BOBCAT
120,000 MILES • 6 CYL • FWD • AUTOMATIC
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GALEBRAVECROW
  • MEMBER
  • 1 POST
I repaired a cracked heater core and cracked resivor and thermastat and my heater still blows cold air what else can i do to get the heater working
Jan 14, 2011 at 6:52 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
With the engine running, hot, and the heater on high, feel both heater core hoses. Both should be hot. If they are not, then either the heater control valve is bad, or the heater core is blocked. Replace valve or flush heater core.
Jan 25, 2011 at 7:33 PM