Why dose my drivers side blow cold air and the passengers side hot?

Tiny
MAMAMEECHELLE
  • MEMBER
  • 1998 BUICK REGAL
  • 13,600 MILES
When I term on the heater the passengers side blow out hot air. But the drivers side dose not blow hot air out. Sometimes when I hit a bump my fan starts to make a loud noise and to get it to stop I have to turn the heater all the way off. We have changed the cabin air filter.
Sunday, December 18th, 2011 AT 4:31 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be a vacuum or an actuator problem-open it up and investigate
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Sunday, December 18th, 2011 AT 4:38 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Do you have both driver and passenger temp controls?
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Sunday, December 18th, 2011 AT 5:16 PM

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