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I have a 1998 Grand Am gt, It won't make heat.

Tiny
PSU1
  • MEMBER
  • 1998 PONTIAC GRAND AM
  • 16,400 MILES
I have a 1998 Grand am gt, It won't make heat, we have replaced the thermastat, the heater core, the sensor and flushed the system and replaced with new anti-freeze. Do you know why it won't make heat?
Saturday, November 3rd, 2012 AT 7:18 PM

1 Reply

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
You might try bleeding the sytem of air by removing the radiator cap when cool. then turning the heat temperature all the way to hot, then let the car run until it reaches operating temperature and then top off coolant in radiator and reserbiour.
If that does not help I am giving you a walk through diagnostic for your situation. Just use the link below tio get to it;

https://www.2carpros.com/articles/car-heater-not-working
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Saturday, November 3rd, 2012 AT 7:44 PM

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