Question about 1994 Pontiac Firebird
Hello leia555. From the symptoms I am seeing it appears that air is in your cooling system. No heat indicates air or exhaust in your heater lines. Possibilities are it may not have been completely filled with coolant after your radiator replacement or there is a leak allowing coolant loss or the worst possibility was that damage has taken place from the previous overheating. If damage has taken place the most likely issue would be a head gasket allowing compression to displace coolant. First check to verify a full cooling system. If full, open your rad cap, when cold only, and run the engine. Coolant expands as it heats so some coolant may overflow. But look for releases of air/exhaust, careful doing this as a sudden gush may come out. Ideally the way to check this is with a tool designed to check for exhaust gases. This devise holds a solution that changes color when it comes in contact with exhaust. Hope your problem is a minor one.
Posted on Nov 15, 2009
It sounds like the thermostat might be sticking and/or you have air in the cooling system. You might want to try and replace the thermostat if it is not new. Also make sure that you installed the correct tempature rated thermostat for your vehicle. And make sure that you have got all the air out of the system. There should be a air bleeder located on or near the thermostat housing. You will need to loosen the bleeder screw while the thermostat is open and coolant is being pumped thru the system. If there is air at the thermostat then it will take longer for it to open because the thermostat needs to have contact with the coolant to work properly. This is what it sounds like is happening to your vehicle. Let me know if you have any other questions.
Posted on Nov 15, 2009
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Posted on Jan 02, 2017
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For car running hot and overheating issues, I suggest to you go
through this help links. Click this link below and go through the
troubleshooting procedure to take care of the problems: ----
temp gauge goes erratic?
Temperature gauge keeps fluctuating up and
down close to red?
Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?
Car overheats and Air blows hot at idle?
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
Temperature gauge does not move and no heat
when heater is ON?
This details will help.Thanks.
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