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post #1 of 5 (permalink) Old 11-19-2014, 07:05 PM Thread Starter
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Confused overheating

I have a 1990 3.8na, and I'm getting really weird things with it. Some days the temp gauge will almost overheat, then fluctuate. I have heat randomly, the blower work and so do my flaps. It does tend to smoke IMO alot more then it should. I have no idea of mileage, odometer stop at 126k. I have replaced thermostat and bleed the system. When i go to take the radiator cap off, its got pressure behind it
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post #2 of 5 (permalink) Old 11-19-2014, 07:38 PM
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I'd bleed any air out of the system first, but otherwise it sounds like signs that the head gaskets might be on their way out.

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post #3 of 5 (permalink) Old 11-19-2014, 08:07 PM Thread Starter
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Ive bled it more then once....Thats what I was afraid of
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post #4 of 5 (permalink) Old 11-19-2014, 11:30 PM
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you can get a coolant check kit from autozone to see if you have combustion gases in the coolant you'll know in no time

or do a compression test

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post #5 of 5 (permalink) Old 11-20-2014, 04:02 PM Thread Starter
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Originally Posted by decipha View Post
you can get a coolant check kit from autozone to see if you have combustion gases in the coolant you'll know in no time

or do a compression test
Ill look into that, thanks
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