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Old 12-09-2008, 08:22 PM
championvette championvette is offline
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97 grand am coolant system "burp"

im planning on flushing my coolant soon and going to change the thermostat. how do i burp the system? i heard theres 1 or 2 screw on the thermostat housing, or you squeeze a hose while the radiator cap is off... i have a 3.1L. what is the proper way to burp it?
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Old 12-09-2008, 08:54 PM
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Re: 97 grand am coolant system "burp"

Might be a screw over by the thermo housing, thiers also a small brass fitting over the water pump on the recirculator tube. If you have an actual radiator cap then its not as difficult. Sometimes a real PITA to get all the air out.

This pic shows the main bleeder, front left purple arrow.
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Old 12-09-2008, 09:15 PM
championvette championvette is offline
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Re: 97 grand am coolant system "burp"

ok, yea thats exactly how my engine looks. now while the engine is running, do i unscrew that screw until coolant comes out, then close it? or what would be the proper way to do it?
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Old 12-09-2008, 09:21 PM
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Re: 97 grand am coolant system "burp"

Yes while the engine is running.
Here is a thread that might help.
http://www.automotiveforums.com/vbul...d.php?t=718130
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