2004 GMC C1500

2004 GMC C1500
141,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RDRNNR12
  • MEMBER
  • 1 POST
the left side vents blows cool the right side blows hot air with the ac on or off . whats up?
Oct 12, 2008 at 2:19 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Hi:
There are vent doors in the HVAC duct work. To check them, you will need to disassemble it and check if one is stuck or damaged.
Dec 15, 2008 at 8:58 AM
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