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1998 Pontiac Grand Gt Won T Make Heat Replaced Thermastat Heater Core Sensor

1998 PONTIAC GRAND AM
16,400 MILES
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PSU1
  • MEMBER
  • 1 POST
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?
Nov 3, 2012 at 12:18 PM
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DRCRANKNWRENCH
  • ✓Experienced 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
Nov 3, 2012 at 12:44 PM
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