Overheating

2002 CHRYSLER CONCORDE
86,000 MILES • 3.5L • 6 CYL • FWD • AUTOMATIC
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DANIEL TREVIñO
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  • 2 POSTS
I already change the radiator. replace the fans, thermostat, hoses and still it heats up.
Jan 14, 2017 at 11:12 AM
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JOHNNY G.JR
  • ✓Experienced Mechanic
  • 320 POSTS
Look in radiator for possible combustion gases. Test your compression on cylinders for possible head gasket failure. Are you losing any coolant and cannot find the source? Any steam coming out exhaust?
Jan 14, 2017 at 11:43 AM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,410 POSTS
Is there any sign of leakage in the water pump weep hole below the thermostat housing?

If not then run a combustion gas test to be sure you are not chasing a head gasket failure.
https://www.youtube.com/watch?v=B4FoUc6fRNs
Jan 14, 2017 at 12:09 PM
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DANIEL TREVIñO
  • MEMBER
  • 2 POSTS
Sometimes steam comes out of the exhaust and the water reservar overflows.
Jan 14, 2017 at 12:14 PM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,410 POSTS
Run the combustion test, but those are both signs you have a bad head gasket. Gas test would verify it.
Jan 14, 2017 at 1:52 PM
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STRAILER
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FROM DANIEL TREVIñO

Thank you!
Jan 15, 2017 at 8:19 AM
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