why does coolant overflow fill above mark is there too much coolant in the car?

2004 DODGE NEON
140,000 MILES
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JMG429
  • MEMBER
  • 5 POSTS
bypassed heater now the coolant bubbles into over flow
Mar 13, 2012 at 9:12 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Have the cooling system pressure tested, also the radiator cap if any-
Mar 13, 2012 at 9:29 PM
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