Clean out hoses going to coolant reservoir tank with compressed air found quite a few blocked causing overheats
Check hand brake is fully released. Why head gasket had been ruled out ? Run engine till warm, carefully open rad cap, let engine idle, look for BUBBLES IN COOLANT. IF YOU SEE ANY NO MATTER HOW SMALL, CHANGE HEAD GASKET.
SOURCE: engine overheating-----1994 Olds Cutlass Supreme 3.4 liter v/6
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
SOURCE: Overhating
Chanses are you got an air pocket in the system, there should be a bleeder on top of thermostat housing to bleed off the air, also might be one by the water pump. Its a common problem on them cars after you have drained the coolant to do thermostat or waterpump. Just bleed off the air and you should be good to go.
SOURCE: causes for overheating in a 1997 oldsmobile aurora
Do the fan(s) come on when hot? Blow out the radiator core with compressed air (from the engine side) to clear it of bugs and other debris. Make sure the radiator is full to the top (when cold) and check the radiator cap seal rubber and the over-flow tank and tubing for leakage. It's possible that the water pump impeller is slipping on it's shaft and not pumping water properly. Remove the thermostat temporarily and remove the radiator cap. Remove some of the water so that the level is somewhat below the cap bottom, then start the engine and watch for rapidly moving water. That will show that the pump is moving water well. Allow the engine to heat up and keep track of the water movement. Shut the engine off at low end of 'normal' on the temp gauge and replace the cap so that it doesn't blow out boiling water into your face. Replace the thermostat and top up the water when cold again.
SOURCE: My 1998 Oldsmobile Aurora, is overheating!
You didn't mention replacing your water pump....that is what it is if you have NOT replaced it.
Testimonial: "Yes, I have bought the tool and pump to replace and after it is fix, I will contact you Thank you Tasha"
SOURCE: My 2001 Oldsmobile Silhoutte is indicating
it may have an air pocket and keeping the theremostat from opening or the electric fans are not turning on.
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