2010 Dodge Caravan Engine

2010 DODGE CARAVAN
121,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC
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HEIDI1999
  • MEMBER
  • 1 POST
My engine is overheating when i work it to hard but the heater is blowing cold air. I replaced the thermostat and there are no leaks. What is wrong?
Dec 15, 2014 at 8:35 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
The heater is likely blowing cold air because there is nothing but air in the heater core because the system has a leak. You need to pressure test the system for leaks. If you have overheated severely in the past, then you may be looking at a blown head gasket at this point.
Dec 15, 2014 at 10:54 AM
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