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2004 Buick Lesabre Temp gauge in Red but coolant level good

Tiny
GANN16
  • MEMBER
  • 2004 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 34,000 MILES
The temp gauge on my 2004 Lesabre is going all the way into the red but the coolant level is great. I know this model has problems with coolant leaks but that doesn't appear to be the problem here. Is it probably the thermostat. How much do those typically cost to replace?
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Wednesday, November 10th, 2010 AT 1:12 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Do the coolings fan/s run? The low speed fan on at 223F, high speed around 10F hotter. One usually comes on when you turn on the ac.

As far as the thermostat, if do the work yourself, only part cost, not much.
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Wednesday, November 10th, 2010 AT 2:39 PM

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