Heat/defrost

2003 PONTIAC BONNEVILLE
175,000 MILES • 6 CYL • 2WD • AUTOMATIC
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GKING7482
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  • 1 POST
After car warms up there is no heat. opened bleeder on thermostat but no reponse... will not defrost...noticed ac compressor comes on with defrost.Any recommendations??
Jan 27, 2011 at 10:32 PM
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WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
What exactly is it not doing. Is the air coming out in the correct spot? Is the fan blower working? Is the temp of the air warm?

The compressor is supposed to run with defrost.
Jan 27, 2011 at 11:35 PM
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