1993 Buick Lesabre Heater blows out cold, warm, or hot air

Tiny
GAS5812
  • MEMBER
  • 1993 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
The heater just started blowing out cold or warm or hot air. It alternates while driving the car. It switches to cold then adjust to luke warm then goes back to hot.

It does that while I drive the car.
Is it the thermastat or low fluid level?
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Saturday, November 22nd, 2008 AT 11:57 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Make sure the coolant level is full.
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Sunday, November 23rd, 2008 AT 8:58 PM

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