1996 Ford E Series Van Truck Heat Will Work Little While Automatically Start

1996 FORD E-SERIES VAN
293,000 MILES
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In the truck the heat will work for a little while then it will automatically start blowing cold air with the heat on high. What is making it do this?
Jan 17, 2013 at 6:20 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Check to make sure the coolant is full. Also, when this happens, feel the heater core hoses. THey should be hot. If they aren't, then you may want to flush the heater core. Also, make sure the engine is properly warming up.
Jan 17, 2013 at 6:26 AM
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