Question about 2000 Pontiac Bonneville
When my 2000 Pontiac Bonneville is in park, the heat blows warm and the temp is up around 200. As soon as you start to drive it the temp drops down to 100 and blows cold air. Any suggestions?
Have you chg. any thing lately like thermostate? added any coolent to system? if not, thermostate could be stuck in the open position. if stuck open, setting still, it will throw heat, but moving coolent flows to fast and does not get a chance to get hot. if you did chg. thermostate it could have a air pocket in the system. and also adding coolent can create an air pockets too. you will know this when your traveling down the road and temp guage fluctuates up and down. witch means air in system.
Posted on Jan 15, 2009
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Posted on Jan 02, 2017
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