Question about 1991 Buick Park Avenue
It may have been a thermostat, ot even a fan, but remember one thing that if the engine isn't turning over, some damage is likely. The first thing to do is pull the dip stick and make sure the oil isn't muddy looking. This is important since the vehicle has been running hot, it could have cracked the head allowing water to get into the oil, which the engine maybe done at this point. If the oil is good, then you might want to make a compression test to see if all the cylinders are up to par. If two cylinders that are by each other are low, that is a good sign that the head gasket is bad. Keep in mind that when a vehicle runs hot, there are a whole lot of things that can go wrong...water pump can blow it's seal, thermostat can get damaged, and as I mentioned, head gasket as well as the head can get damaged. The coolant fan should be tested if the engine is repairable...you have your work cut out for you, but it can be done providing that the first test I told you passes.
Posted on Oct 12, 2009
Putting copper sealant is not going to stop if from overheating unless it is a cracked head or head gasket. The problem is more than likely a thermostat stuck, cooling fan not working, or waterpump not pumping water. The thermostat is the cheaper fix usually around 25 dollars for the parts and can be done yourself. The coolang fan can be checked by unplugging it and hooking directly to a power source to see if it turns. If it turns it is good, move to the sending unit and replace. Also check all the fuses and relays for the fans and make sure they are good. The last option is the water pump. A little bit harder to do but still can be done by your self. Once you open the cooling system you might have to bleed the air out of it, near the thermostat housing you should see a small bleeder screw approximately 8mm to bleed out the air open it and start the car watch for air bubbles to come out turn the heater on high once it starts shooting straight water out close the bleeder and should stop getting hot if all things check out.
Posted on Oct 06, 2009
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Posted on Jan 02, 2017
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