1997 Buick Lesabre 97 lasabre

Tiny
JILLA
  • MEMBER
  • 1997 BUICK LESABRE
My heat and A/C only blows out of my defrost and floor vent. I checked the blender and it sounds like it moved but nothing happened. I need some help with this little problem, any great answers that will help me?
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Sunday, October 13th, 2013 AT 5:53 PM

26 Replies

Tiny
SATURNTECH9
  • EXPERT
You checked the blend door?That door changes the temp of the air from old to hot and vice versus. You mean the mode door?Did you see the door physically move to each vent position?
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Sunday, October 13th, 2013 AT 6:10 PM
Tiny
JILLA
  • MEMBER
Yea I heard the one for the temp change, but not the one for the vent and didn't see anything move.
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Sunday, October 13th, 2013 AT 6:31 PM
Tiny
SATURNTECH9
  • EXPERT
Do you have manual ac controls or auto climate control?
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Sunday, October 13th, 2013 AT 6:35 PM
Tiny
JILLA
  • MEMBER
Auto climate
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+2
Sunday, October 13th, 2013 AT 6:39 PM
Tiny
SATURNTECH9
  • EXPERT
I was trying to find some info on trouble shooting the inop mode door didn't see any in my online repair info. Looks like you might have a vacuum operated mode door solenoid. Take a look up under the dash do you have a vacuum operated mode door actuator?
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Monday, October 14th, 2013 AT 8:48 AM
Tiny
JILLA
  • MEMBER
Yea I see the colored vacumm lines
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Monday, October 14th, 2013 AT 9:09 AM
Tiny
JILLA
  • MEMBER
It changes from floor to defrost but doesnt change to the vent
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Monday, October 14th, 2013 AT 9:12 AM
Tiny
SATURNTECH9
  • EXPERT
Do you see only one vacuum actuator?
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Monday, October 14th, 2013 AT 9:30 AM
Tiny
JILLA
  • MEMBER
Just where the colored vacumms are, other than That just wire connectors
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Monday, October 14th, 2013 AT 11:38 AM
Tiny
SATURNTECH9
  • EXPERT
You have dual climate control?
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+1
Monday, October 14th, 2013 AT 11:50 AM
Tiny
JILLA
  • MEMBER
Passenger climate control.
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Monday, October 14th, 2013 AT 1:38 PM
Tiny
SATURNTECH9
  • EXPERT
Do you have a place to set temp for driver and passenger side?
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Monday, October 14th, 2013 AT 1:51 PM
Tiny
JILLA
  • MEMBER
This is all I have for climate controls.
Was you able to see the pictures I attached?
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Monday, October 14th, 2013 AT 2:16 PM
Tiny
SATURNTECH9
  • EXPERT
There is two mode door vacuum acuators a upper one and lower one. How many vacuum nipples are on the one you saw?
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Monday, October 14th, 2013 AT 5:10 PM
Tiny
JILLA
  • MEMBER
There's six but only five is used.
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Monday, October 14th, 2013 AT 5:16 PM
Tiny
SATURNTECH9
  • EXPERT
I posted two pics of the two different mode door actuators were looking for. Let me know when you find them.
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Monday, October 14th, 2013 AT 5:41 PM
Tiny
JILLA
  • MEMBER
Yea I don't see either one of those at all. I don't think there is one.
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Tuesday, October 15th, 2013 AT 2:02 PM
Tiny
SATURNTECH9
  • EXPERT
I see three vacuum actuators listed for sale for that car plus in the ac vacuum line diagram it shows three vacuum actuators in it. You ether have a actuator not holding vacuum or not getting the proper vacuum to it.
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Tuesday, October 15th, 2013 AT 2:44 PM
Tiny
SATURNTECH9
  • EXPERT
The blue hose goes to the actuator that let's the air come out of the panel and heater outlets.
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Tuesday, October 15th, 2013 AT 3:08 PM
Tiny
JILLA
  • MEMBER
Yea I don't see anything that looks like that
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Tuesday, October 15th, 2013 AT 3:12 PM

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