2004 Buick Lesabre Temp gauge in Red but coolant level good

2004 BUICK LESABRE
34,000 MILES • 6 CYL • FWD • AUTOMATIC
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GANN16
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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?
Nov 10, 2010 at 1:12 PM
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JDL
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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.
Nov 10, 2010 at 2:39 PM
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