LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

!! overheating !!

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Old 07-29-2003, 01:48 AM
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Location: Cleburne/Stephenville, Texas USA
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Angry !! overheating !!

MY 95 z seems to always over heat. I have changed the relays for the fans and also the temperature sensor. My fans dont seem to kick on and it happens just like that. I will drive five miles to work and get there and the over flow will be spraying every where. Please help i have to drive out of town tomorow and need your advice.

Thanx
Austin
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Old 07-29-2003, 08:37 AM
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Just as a quick response, have you replaced the radiator cap?
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Old 07-29-2003, 09:18 AM
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Have you bled the air out of the system?
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Old 07-29-2003, 09:23 AM
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put in a manual fan switch
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Old 07-29-2003, 09:52 AM
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The answer could be as easy as the thermostat not opening when it should. You can test it by pulling the stat out, and put it in boiling water a little above the stamped temp rating (20* or so should sufice) on the stat. It should fully open within a minute. then add colder water to the stat and see if it closes properly. Careful, its hot.
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Old 07-30-2003, 01:14 AM
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yeah, start with the small stuff first(ie. radiator cap,put in lower temp thermo,manual fan switch) and see how it goes. if none of that, look into a H20 pump or radiator
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