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Old 11-25-2011, 11:04 AM
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Re: 2004 grand am gt air in cooling system

Welcome to AF!!

There are several ways to get air in a cooling system. The most common is repairing the system where you drain the system and refilling it. Less common are bad head gaskets, bad intake gaskets, cracked heads or air leaks in the coolant recovery system lines.

If you need to bleed the system fill it up entirely and place the nose of the car up hill. Put the heater on high and start the vehicle. Locate the thermostat housing and on top there should be a plug that uses an allen wrench. Once the car is hot open the plug until coolant comes out. Repeat until all you get is coolant. Top off the system. Repeat as necessary.
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