Question about 1993 Chevrolet Lumina

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I have a 1993 Chevy Lumina 3.1 v6. The low coolant light stays on even when the coolant is full. I bled the system and changed the thermostat and still doesnt go off. I have also noticed that if i go on trips and try to check the radiator, the coolant doesnt spew out like it should. Do u know what would cause this and what I could do to fix it?

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I had same problem with my lumina it ended up having a blown head gasket. do a compression check and look for a low cylinder on the outside or twq cylinders next to each other that are low.if they are low it indicates a blown gasket. hope this helps

Posted on Sep 19, 2010

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Its not the expansion tank you need to look at. Open the radiator cap when the engine is cold. Coolant should be right at the top. Was all the air bled from the system when these components were replaced? If the system has air in it, it will not effectively cool. Was the thermostat installed correctly? ( Put in backwards ). Electric rad fan? Is it operational?

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I have a 4-door 1992 Chevy Lumina Euro 3.1L V6... what does it mean when you're low coolant light is on and your temp light starts to cut .. and my car is start to stop when i come to a complete stop...


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When filling the coolant system you need to have the car running with radiator cap off and you can also burp the coolant hose while filling the system to remove any air. The system may be full for a while until thermostat opens and sucks the coolant out of radiator which is the perfect time to add more to top it off.

Disconnecting your negative battery cable for 10 minutes will reset the computer and shut off the light.

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