2003 Cadillac CTS Blowing cold air on one side

2003 CADILLAC CTS
130,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BIGCTB
  • MEMBER
  • 2 POSTS
When I turn my heater on, why would it blow hot air on the passenger side and cold air on the driver side?
Jan 28, 2009 at 12:50 AM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
Low on coolant, faulty temp door actuator? Needs to have some diagnosis performed.
Jan 29, 2009 at 3:20 PM
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BIGCTB
  • MEMBER
  • 2 POSTS
Thanks for the reply, what I did was switch the hoses around that attach to my heater core and all is good,
Jan 29, 2009 at 10:52 PM
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