2004 Chrysler Pacifica After 10 Min Engine Running Air Blows Back Into Coolant

2004 CHRYSLER PACIFICA
150,000 MILES
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OCTAVIANHUS
  • MEMBER
  • 1 POST
After 10 min of engine running air blows back into the coolant recovery tank, and out through the overflow hose. Temperature guage is normal. This is a Pacifica 2004 3.5L. What is the cause of this?
Jan 22, 2013 at 4:46 PM
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CARADIODOC
  • ✓ASE Certified Mechanic
  • 34,321 POSTS
  • ASE Certified Mechanic
Leaking cylinder head gasket. Your mechanic can do a chemical test to verify that.
Jan 22, 2013 at 5:26 PM
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