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Overheating

Tiny
DGIGGLES1
  • MEMBER
  • 2003 CHRYSLER 300
I have a Chrysler 300 3.2, when the blower motor for the heat is on it is fine, if I shut the heat off it is over heating, I have replaced the radiator cap and it is still acting up, still blowing heat, no loss of heat but yet the car will start to over heat. No signs of any head gasket problems.
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Monday, January 16th, 2012 AT 7:06 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the thermostat-start here
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Monday, January 16th, 2012 AT 7:46 PM
Tiny
MBARIZIA
  • MEMBER
  • 27 POSTS
If the thermostat is okay, check your coolant level an the waterpump
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Monday, January 16th, 2012 AT 8:02 PM
Tiny
DGIGGLES1
  • MEMBER
  • 23 POSTS
It has good heat, just over heats when the blower motor is shut off.
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Tuesday, January 17th, 2012 AT 3:14 PM
Tiny
MBARIZIA
  • MEMBER
  • 27 POSTS
Sign of failed coolant temp sensor
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Tuesday, January 17th, 2012 AT 3:58 PM

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