Question about 1998 Buick Century

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The low coolant light comes on but the radiator and the resavor are doth full.

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May be a bad coolant level sensor

Posted on Jan 31, 2010

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My early wRning light for low radiator fluid comes on at the start turn on my ignition, but it goes away shortly after. I bought 50/50 and filled the coolant reservoir to the full line. But the light still...


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I have a 1990 Buick Regal v-8 Does the radiator fluid move from radiator to reservor as engine heat and cools or remain in radiator except under extreme heat conditions?


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Chanses are the shop did chk. the coolant in the resavor and probly top it off but did not chk.the radiator witch was low and it drew out of resavor to fill radiator witch is the correct way to fill the radiator, just fill it back up with 50/50 (no water.) I don't think that would make the light come on, as you have a low coolant light for that. For piece of mind have it scaned to find out way the chk.engine light came on.

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