LT1-LT4 Modifications 1993-97 Gen II Small Block V8

cooling system question

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Old Sep 29, 2006 | 12:46 PM
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Default cooling system question

i put in a new radiator a few days ago and the low water light keeps coming on and when i top off the radiator it spits it back out as soon as i drive down the road a little. its coming out of the coolant resevoir.
thanks
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Old Sep 29, 2006 | 01:06 PM
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Sounds like you have the top two small hoses backwards on the radiator below the cap.

Or............a blown head gasket pressurizing the coolant system.
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Old Sep 29, 2006 | 01:17 PM
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Originally Posted by LT1MAN
i put in a new radiator a few days ago and the low water light keeps coming on and when i top off the radiator it spits it back out as soon as i drive down the road a little. its coming out of the coolant resevoir.
thanks


sounds like your sensors bad or you didnt hook it up. its half way down the radiator on the left side.


your over filling it so when it heats up the water has no where to exspand to.. and it dumping.
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Old Sep 29, 2006 | 01:49 PM
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Originally Posted by blkchevyz
your over filling it so when it heats up the water has no where to exspand to.. and it dumping.
i bet you're right because the top two small hoses are kinda bent so you can tell which tube they go on, and i have been refilling it all the way to the rim so i bet i was just putting in too much, i need to find the happy medium. thanks
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Old Sep 29, 2006 | 02:00 PM
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The one from the coolant tube off the heads go to the lower nipple. The one to the overflow goes on the upper nipple.
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