cooling system

2006 FORD F-350
37,000 MILES • V8 • 2WD • AUTOMATIC
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DSLAWN
  • MEMBER
  • 1 POST
blowing cool air
Dec 19, 2010 at 6:32 AM
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BOATBUDDY
  • MEMBER
  • 29 POSTS
check your thermostat
Dec 19, 2010 at 8:31 PM
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BOATBUDDY
  • MEMBER
  • 29 POSTS
it might not be opening
Dec 19, 2010 at 8:32 PM
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TECH1FORD
  • MEMBER
  • 102 POSTS
does it only blow cold air at idle when the truck is on high idle or driving it is fine
Dec 20, 2010 at 7:37 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,236 POSTS
I'll assume you are refering to the heater and not the cooling system. Check to make sure the coolant is full. Make sure the engine is running at a normal operating temp. Start the engine, allow it to warm up with the heater on. Feel both heater core hoses. Both should be hot. IF they are, check the blend door near the heater core. If only one is hot, try flushing the heater core.
Feb 17, 2011 at 8:28 AM
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