Question about 1999 Buick Century
Mine did it to your rad. cap is loose tighten it on more click
Posted on Oct 22, 2008
Do you have a 3.1 engine
if so they have had a history of having bad intake gaskets that leak antifreeze
Posted on Sep 19, 2008
Well, I have to first ask do you loose coolant? if not the sensor in the resivour bottle is likely stuck tap it firmly with a tiny hammer had it happen hundreds of times on GM products in my 14 years owning Ace Automotive diagnostics facility in Lakewood Wa 1992-2006
Please visit http://www.aceautomotive1.com I believe thee is an entry in the BLOG or FAQ on that very subjec tBut try that and also make sure the connector to the level sensor is ffree of any corrosion and the connector is secure. Any questions and or feedbck can be left at firstname.lastname@example.org or at email@example.com and please ratethis advice as a fixya if it is helpful. Thanks,Randy
Posted on Sep 19, 2008
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Posted on Jan 02, 2017
this is a common complaint, GM/Buick recommends you remove the sensor from the radiator side tank and replace it.
Posted on Apr 10, 2009
You may have air in the system. There should be a bleeding valve on top of the thermostat housing, where the upper radiator hose connects to the engine. Look in your owner's manual for the procedure to bleed air from your cooling system.
As long as the temp. gauge shows normal readings, you should not worry about any damage to the engine. Once the system has been bled, take the vehicle to an AutoZone or similar auto parts store to get the Low Coolant light reset, or, wait until it resets itself.
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Posted on Mar 03, 2011
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