Question about 1999 Oldsmobile Alero
Loosen the air valve located on or near thermostat housing, start engine, let run for some time while air escapes thru the blender then close bleeder.
Posted on Jun 18, 2014
Most systems are self bleeding but with the car on a slight incline the driveway turn heater on start car and run with the radiator cap off (cold engine) level of water in radiator should be down about 2-3 inches will warming up it will expand then drop again after hot top off system place cap on done .with Degas bottles (divorced radiator cap) it has a hose that runs from radiator to tank this bleeds the air out. heater should be hot after done.
Posted on May 31, 2014
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Posted on Jan 02, 2017
The coolant can be drained through the little drain valve on the bottom of the radiator it looks like a small tap, or a tab located on the lower right side of the rad if you are facing the front of the car ..You some times have to remove the plastic shroud from under the rad to sometimes see it also this will keep the antifreeze from making too much of a mess...NOTE... its safer to do this when engine is cold..Cooling systems are under pressure when hot..up to 15 psi.. hope you find it.
Posted on Nov 05, 2009
Could be a multitude of things causing this and without a good look i couldnt tell you ,suspect the worst like a head gasket as the car is over 10 yrs of age and the modern gaskets do not last like a older type of engine with a copper head gasket .Best advice i can offer is to ask a local mechanic to have a look for you and see what they come up with
Posted on Aug 12, 2013
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