Question about 1999 Oldsmobile Silhouette

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HEATER ISNT GETTING HOT,OVERHEATS,

IT WAS SNOWY AND ONLY HAD WATER IN RADIATOR STARTED VAN STARTED DRIVING NOTICED HEAT NOT HOT.AND IT STARTED TO OVERHEAT

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You may have a cracked block if all you had in it was water...water expands when it freezes so id try to get some coolant in it to see if it dosent help

Posted on Jan 01, 2009

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1. Low coolant level
2. Radiator hose split/cracked, causing low coolant level.
3. Head Gasket - leaking, causing low coolant level
4. Thermostat - stuck closed (you eliminated this possibility)
5. Radiator cap - worn/damaged
6. Radiator fins - obstructed by debris/cardboard
7. Water Pump belt - missing/broken
8. Heater Core - leaking, causing low coolant level
9. Intake Manifold Gasket - leaking, worn, damaged
10. Radiator Fan Relay - faulty
11. Radiator Fan Blade - broken, missing
12. Radiator Fan Sensor/Switch - faulty
13. Water Pump - leaking, causing low coolant level
14. Radiator Fan Motor - faulty

My primary suspects would be Rad Fan Relay (#10), and
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Hello Sir, I have replaced the radiator, radiator heat sensor, radiator cap, and all hoses. There are no leaks coming from the engine. I have also replaced the anti-freeze with BMW manufactured...


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