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Jerry
Jerry, Master Mechanic
Category: Oldsmobile
Satisfied Customers: 13272
Experience:  ASE Master certified, 30 years experience. Auto troubleshooting, electrical , ABS, SRS, EFI system
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Oldsmobile Cutlass Calais Supreme: coolant lite comes on when

Resolved Question:

coolant lite comes on when car warms up but the coolant level is full also recently replaced water pump
Submitted: 1 year ago.
Category: Oldsmobile
Expert:  Jerry replied 1 year ago.

Hello and welcome, Super mechanic here. Thank you for trusting us with your vehicle concerns, I will do my best to help you with your question.

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The coolant level sensor, (module) on them will do that. You will want to do the test with the engine warmed up to be sure.

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graphic

graphic

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DESCRIPTION
This lamp will be illuminated when engine coolant level in the radiator drops below a predetermined level. To turn lamp off, check cooling system, then add coolant to bring system to proper level.

OPERATION
Some vehicles use a buzzer or indicator lamp to convey a low coolant level condition. The buzzer or lamp is activated by a sensor, located in the radiator, when the coolant level becomes one quart low, or more.

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If you need more help, please use the reply tab to continue our conversation.

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If you do not require further assistance, kindly rate my service.

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Thanks

 

Jerry, Master Mechanic
Category: Oldsmobile
Satisfied Customers: 13272
Experience: ASE Master certified, 30 years experience. Auto troubleshooting, electrical , ABS, SRS, EFI system
Jerry and 2 other Oldsmobile Specialists are ready to help you
Customer: replied 1 year ago.


well u may b rite however it seems as though the level of coolant in the reserve doesn't change all my fans r working properly

Expert:  Jerry replied 1 year ago.
There are not many things that it can be for the coolant level light coming on when the system is full.
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