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1994 Buick Lesabre Heater dosn't blow hot

Tiny
FTEDIOUSLY
  • MEMBER
  • 1994 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 100,000 MILES
My heater blows, but the heat is luke warm, at best.
I notices that my temperature is reading about 140 degrees. I bought T-stat, but have not put it in yet, I just put one in a week ago that was good for 180 degrees. The auto store said I should put a 195 degree one in. I wasn't working well even before I put the ne 180 degree T-Stat, so I am moderatle optimistic that this will work. Any help would be appreciated.
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Tuesday, December 18th, 2007 AT 10:51 AM

3 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Put the 195 degree in and flush heater core
remove two heater hoses run water and comp. Air if possible
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Thursday, December 20th, 2007 AT 5:25 PM
Tiny
FTEDIOUSLY
  • MEMBER
  • 4 POSTS
Flushed core and changed antifreeze, put 195 degree T-Stat in and still have warm air on driver side and cool air on passenger side.

Checked the doors behaind the glove compartment they seemed to be working OK.

Ft
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Saturday, December 29th, 2007 AT 3:18 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check temperature blend door electric actuator
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Saturday, December 29th, 2007 AT 8:16 PM

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