My heater won't get hot

Tiny
ANONYMOUS
  • MEMBER
  • 1999 CHRYSLER CONCORDE
  • 13,600 MILES
My heater won't get hot. It's blowing out cold air. I've checked the cooliant and its fine. The thermastate is fine. Fuses are fine as well. Even went in the glove box n checked the motor and that's working also. I need HELP! It's cold out there! THANK YOU!
Thursday, November 15th, 2012 AT 1:52 AM

1 Reply

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
There may be air in the system or the actuator valve for the heater core is not working. To bleed air out of the system;
Remove radiator cap when car is cool and turn the heater all the way to hot setting
Allow to reach operating temp and thjen top off radiator and overflow tank
Replace the radiator cap for good measure

The actuaor valve can be found on the inlet heater hose near the firewall. You can replace it by removing clamps and actuating cable or servo motor.
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Thursday, November 15th, 2012 AT 2:17 AM

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