Question about 2003 Oldsmobile Silhouette
I would check everything EdCarCal said. Also check if the coolant is going in the heater core and returning. Make sure the coolant level is full. If you have leak and the level gets too low the heater will not blow warm air.
Posted on Dec 16, 2017
You should feel a temperature gradient across the radiator (hot at bottom, cooler at top) if the cooling fluid is circulating properly. If not, you are not getting proper circulation. All things being equal, check the thermostat again - if it was installed incorrectly or is faulty (not unusual), it is not opening and will cause this. Otherwise, you have a blockage somewhere in the system (such as a collapsed hose or blocked port at the pump).
Posted on Dec 16, 2017
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Posted on Jan 02, 2017
SOURCE: radiator overheating
hey im having a problem with my 96 cirrus overheating. i think its the fans. they dont seem to turn on unless i let the hood drop, then they suddenly kick on. the fuse is good.. any ideas??
Posted on Jul 25, 2008
as long as the engine temperature is normal, i would suspect a clogged heater core, the dex-cool antifreeze is notorious for building up deposits in cooling system. have heater core flushed first to see if it makes any difference
Posted on Nov 16, 2008
There seems to be an air pocket or no antifreeze in engine block. Try this method disconnect upper radiator hose and pour water directly into hose down into engine block until it full. when its filled reconnect hose and fill up radiator. as the vehicle warms up open bleeder valve on the thermostat housing and release air from system. open slowly and BE VERY CAREFUL WATER WILL BE HOT, bleed until you get a steady stream opening and cosing valve. However if all of this don't work. You may have a bad pump. Good Luck
Posted on Dec 27, 2008
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