fan and back to auto and it will work

1997 BUICK PARK AVENUE
160,000 MILES
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TWOBUICKS
  • MEMBER
  • 1 POST
auto heater switch will not run blower have to turn on auto then turn on manual fan and back to auto and it will work in auto.

The auto temp switch on the dash will not activate anything until after you turn on the manual fan switch and then right after turn on the auto switch, then it works as before. The Air conditioner freon all leaked out and now it is empty have not fixed yet.
Mar 30, 2012 at 2:27 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Its sounds like the temp controller is have a problem.
Mar 30, 2012 at 3:08 PM
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