2000 Pontiac Bonneville Does Heat Blow Hot On Passenger Side Car Cold Drivers Als

2000 PONTIAC BONNEVILLE
150,000 MILES
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TDBEAR34
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  • 4 POSTS
Why does the heat blow hot on the passenger side of car but cold on drivers side also when I cut on rear defrost it shatters rear windshield? Help me out please.
Nov 4, 2011 at 3:55 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
If you have a duel climate control, there is a blend door for each side. This door, located near the heater core, is designed to open and close based on the temp needed in the car. If it is stuck, you will get cold air and no heat. That needs checked. As far as the shattering windshield, I don't understand how the rear defroster would cause the front window to break.
Nov 4, 2011 at 4:20 PM
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